Re: [Biofuel] Hybrid Diesel / turf

2005-07-04 Thread Paddy O'Reilly
Sorry - idle banter and off-topic rant about the state of diesel engines 
in Ireland.


[EMAIL PROTECTED] wrote:

In a message dated 7/1/05 9:13:49 PM Eastern Daylight Time, [EMAIL PROTECTED] 
writes:


 hello paddy and frantz.

i didn't understand this exchange.  what's this about turf?  wold appreciate 
the education.


-chris


In a message dated 6/30/05 6:58:14 AM, [EMAIL PROTECTED] writes:

 Believe me, with the amount of smoke coming from some of the exhausts 

its as if the vehicles were running on turf. However that route (pardon 

the pun) is being stopped since the government environment body has put 


a stop to the erosion of the countryside by turf-cutting. 
 

just a guess, peat moss?
greg

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Re: [Biofuel] Hybrid Diesel

2005-06-30 Thread Paddy O'Reilly
Believe me, with the amount of smoke coming from some of the exhausts 
its as if the vehicles were running on turf. However that route (pardon 
the pun) is being stopped since the government environment body has put 
a stop to the erosion of the countryside by turf-cutting.


Unfortunately Ireland is becoming more and more a car-oriented country 
and cyclists have to take to the pavement/footpath to feel safe. This is 
in turn desensitising car drivers to the presence of other road users, 
teaching cyclists to ignore correct rules of the road and cause even 
more use of cars as parents consider it safer to drive their kids the 
whole half mile to school rather than have them walk.


Frantz DESPREZ wrote:


Paddy O'Reilly a écrit :

I'm not sure what the average price of gas (aka petrol) is in the 
US, in Ireland it has just passed the Euro mark per litre - that's 
USD5.44 a gallon and in England its about 90p per litre - that's 
USD8.17 a gallon.


Perhaps this kind of price in the US will be enough to get people's 
attention (George Bush and his cohorts would be delighted at this 
price).


Unfortunately nothing significant is still being done in Europe about 
changing to biofuels.



Hi,

In France, the average price is around 1,11 Euro per liter of gazoline 
(unleaded 95, it's more for 98) and 1 Euro for gazole(diesel), due 
to the huge (about 80% of price) taxes.
Compared to sunflower edible oil  first price at 1,10 Euro / liter or 
PLG at 0,66.
No legal way for commercial biofuels out of the industrial solution 
chosen by french gov. People begins to get out of invidualism and use 
more public transportations or co-voiturage (don't know the right 
translation in English : co-conveyance or car sharing ?).
And I do agree with last words of Paddy, and the political crisis in 
EU won't help it, especially with the british presidence for the next 
6 month according to recent news explaining that the whole 
agricultural areas of UK could  not  be enough to reach  EU  biofuels 
goals, and how T. Blair is opposed to EU continental countries on 
agricultural subsidies.


What's about running cars with turf in Irland ? ;-)

frantz
(3 trips in Eire since 1986)


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Re: [Biofuel] Hybrid Diesel

2005-06-29 Thread Paddy O'Reilly



I do
agree, though, that that was a heck of an expensive program for the U.S.
taxpayer.
   



 


I'm sorry, but I have to comment on what's being said here.
Basically, the American tax dollar is begrudgingly given to help with 
cleaning up our environment to the tune of 210 million (ever deflating) 
US dollars yet a blind eye is being cast on the HUNDREDS OF BILLIONS of 
those same dollars being wasted on the beloved American Defence Budget. 
I heard somewhere that the INCREASE in the American defence budget this 
year exceeds the total defence budgets of the next five largest defence 
budgets of other superpowers put together.


And George won't even consider cancelling third nation debt (I suppose 
it doesn't hold any immediate return for him so he doesn't care).


So putting the whole thing into perspective, the payment of 0.175% of 
the American defence budget (which will be spent on developing new and 
improved ways of wiping out the planet in the shortest time possible) on 
helping some other Americans develop ways of reducing our dependence on 
the Earth's natural resources is a waste of money while creating weapons 
of mass destruction isn't.


Hmmm, methinks there's a slight imbalance in priorities here. The term 
Heck of an expensive program(me) should be reserved for George Dubya's 
retirement fund (aka defence budget).


As expensive as today's oil consumption is proving to be, in so many 
different ways? And not just for the US taxpayer either.


 


IIRC, under PNGV the US gave $70 million to each of the big 3
automakers to come up with these 'possible vehicles'.
   



I've cut out as much as is reasonable from this email trail to preserve 
bandwidth. Hope it still makes sense.
By the way, I'm using English spelling in this mail not the American 
mutated version.



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Re: [Biofuel] Hybrid Diesel

2005-06-29 Thread Paddy O'Reilly
I'm not sure what the average price of gas (aka petrol) is in the US, 
in Ireland it has just passed the Euro mark per litre - that's USD5.44 a 
gallon and in England its about 90p per litre - that's USD8.17 a gallon.


Perhaps this kind of price in the US will be enough to get people's 
attention (George Bush and his cohorts would be delighted at this price).


Unfortunately nothing significant is still being done in Europe about 
changing to biofuels.


Bill Vaughn wrote:



Mean while the Japanese figured out how to make hybrids at a prices to 
sell to the American public. Seems there is a line waiting for the 
hybrids now because of the souring gas prices. Again the big three are 
slow to answer to the American public and their sinking sales prove 
once again they don't have a clue.


Bill 




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[Biofuel] Acid catalyst for biodiesel production

2005-03-02 Thread Paddy O'Reilly


ingredient in Coke is phosphoric acid. Its pH is 2.8.

I wonder could The Real Thing be used as the catalyst for making 
biodiesel - of course you may have to purify the coke first but your 
exhaust fumes may take on a sweet caramelised aroma on top of the 
french-fries - stomach-churning huh?! All you need then is a big mac and 
you've got a travelling take-away.


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Re: [Biofuel] Anyone read about Nanosolar yet?

2005-03-01 Thread Paddy O'Reilly


(didn't look hard enough I suppose). It could be 120W/square foot which 
is more feasible ( that would bring the cost to about $17k). That 
reminds me of a project I worked on once where the owner claimed a 
vehicle could travel at 85mph (probably closer to 85kph) and had a 6 
foot turning radius (more like 6 metre radius). God bless standardisation!!!


As for the Manhattan Project - you'd probably have to look at how the 
military can use this technology for destruction instead of saving our 
planet and that might indicate why its sponsoring the project. Either 
way lets hope the scientists can make it happen.


As for the terminology (deploying, utility blah, blah) this 
terminology is being used by marketeers world-wide at the moment - 
probably a throw back from Iraq war and marketing gurus wanting to sound 
sexy/chunky.


Stelios Terzakis wrote:


Fascinating. It's amazing what spins off from military research in silicon
valley. It has been said that we need a Manhattan Project for alternative
energy; mayabe this is the beginning of it?


Interesting to read about the company on their website and see their ties to
the nuclear and petroleum industries (Sandia Lab, Shell and Arco) and their
use of military jargon (deploying solar electricity generation at utility
scale). Their focus is strangely on getting high profile investors and
making a product that is profitable and scalable, whatever that is,
rather than altruistically stepping up to find a badly needed solution to
the huge problem we find ourselves in now, namely what to do without
petroleum. I am glad they are moving in the right direction. This might be
another one to watch out for the bankruptcy notices.

I forgot to mention that the Articles page on the Nanosolar site includes
a blurb directly tying Nanosolar with the military: U.S. Senator Boxer on
DARPA funding Nanosolar: This grant is exciting because it promises new
technology to address our energy needs and because it again demonstrates the
strength of the Bay Area's innovative private sector partnered with its
world-class universities and research facilities. DARPA stands for
Defense Advanced Research Projects Agency, that is, it's the US Military.
So this will be yet another thing the military can claim it needs increased
funding for.


ok,


Mark
- Original Message -
From: Patrick Campbell [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Monday, February 28, 2005 6:53 PM
Subject: [Biofuel] Anyone read about Nanosolar yet?


 


http://www.nanosolar.com/products.htm

The flagship product, Nanosolar SolarPly, is a 14 feet x 10 feet solar
electricity module delivering 120 watts per square inch at 110V. The
company is now offering solar panels at below $1 per peak watt.

Almost sounds too good to be true compared to traditional solar voltaic
panels.


--
Patrick Campbell
Daytime: 602.723.3098
Evening: 201.345.4133

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Re: [Biofuel] What Kind of Car?

2005-02-28 Thread Paddy O'Reilly


http://rqriley.com/xr2_solar.htm. Its a long wheel-base carbon fibre 
recumbent which is solar-powered. When I was in college they spoke of 
one day having spray-on amorphous PV material - that was 20 years ago, 
still no joy!!!


So much to tinker with, so little time.

Michael Redler wrote:


Hey!

I've given this some thought too. It can really make the imagination run wild!

Solar body panels on your car as standard equipment (you might have to go with the Henry 
Ford color scheme -- ...any color you want, as long as it's black)

...or maybe PV paint!!

I once thought about mounting solar panels on a long trailer, behind a bicycle 
with an electric motor driving the rear wheel. But, I wondered how many 
pedestrians I'd take out whenever I made a turn. Besides I have to lose about 
20 pounds anyway. ...may as well keep the pedals.

Mike   


JD2005 [EMAIL PROTECTED] wrote:

- Original Message -
From: Paddy O'Reilly
 


I've often thought about a car that would re-charge itself by solar
panels when its sitting outside our offices for 8+ hours a day.
   


Has anybody looked at this scenario -
 


where the electric-only car recharges itself during daylight hours
through the use of solar panels integrated into the body panels?
   



Is this the one where you use a diesel generator, running biofuel of course,
to keep the batteries topped up?

JD2005


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Re: [Biofuel] What Kind of Car?

2005-02-25 Thread Paddy O'Reilly


panels when its sitting outside our offices for 8+ hours a day. Based on 
current technology it could convert about 2.6kW (0.33kwH x 8 hours) into 
electrical energy. However a 20 mile journey home could use up this 
energy in the first few miles. Has anybody looked at this scenario - 
where the electric-only car recharges itself during daylight hours 
through the use of solar panels integrated into the body panels?


[EMAIL PROTECTED] wrote:


ILEA Leaf #10: WHAT KIND OF CAR?

You're concerned about the environment, but you need to drive. Which
car will do the least damage? There's no easy answer, and you will
have to make some tradeoffs between your budget and your determination
to help  change the world. But you will also need to think about what
changing the world means to you:


 Is it more important to (a) help reduce future emissions an uncertain
amount by investing in advanced technology or (b) reduce immediate
emissions a known amount with existing technology?

 Is it more important to (a) fight climate change and foreign oil
dependence by reducing fossil fuel use or (b) help clean the air in
your region by reducing traditional pollutants from the car tailpipe?


 At ILEA we are all about life-cycle assessment, so we like to take
the big picture approach: advancing technology trumps personal
emissions, and greenhouse gases trump local pollutants.  If you answer
the questions differently, keep those differences in mind as you read
through our recommendations; near the end of the email there's a
comparison table to help you do this.
   
Below are five basic choices you can take, beginning with the most

conventional and ending with the most adventurous.[1] #_edn1   We
think the most adventurous steps probably have the most impact on the
big picture, but if you answered the  questions differently than we
do, you may want to take one of the other choices.
   


#5: High-efficiency conventional cars

 If none of the more advanced options meet your needs, then you can
still reduce both your greenhouse gas and your traditional pollutant
emissions by being careful to choose a car with the highest fuel
economy.  Keep in mind though, this option will do little to advance
new technologies.
   


 The U.S. EPA's fuel economy website http://www.fueleconomy.gov/
provides comparative ratings of nearly all cars available in the U.S.
The American Council for an Energy Efficient Economy publishes the
Green Book http://www.greenercars.com/ , which provides even more
detailed environmental information.  Though the EPA website is free,
the Green Book is not: a month of access costs $8.95.
   


 Diesel engines are on average more efficient than gasoline engines.
Just as one example,  a manual transmission, 2005 VW Jetta Wagon is
rated 36 city and 47 highway
http://www.fueleconomy.gov/feg/findacar.htm .  In the United States
we tend to think of diesel cars as dirty, and indeed historically the
tailpipe emissions have been much worse than for gasoline cars.  But
beginning in mid-2006 all automotive diesel fuel in the U.S. will be
ultra-low sulfur
http://www.epa.gov/otaq/regs/fuels/diesel/diesel.htm , allowing
better emissions control and eliminating nearly all of the irritating
exhaust fumes we normally expect from diesel engines.  That means
beginning in 2007, many diesel vehicles will be preferable to their
gasoline counterparts.  Also, if you choose a diesel vehicle, you will
always be able to leapfrog to the much more aggressive biodiesel
solution, #3 below.



#4: Gasoline-electric hybrids   


 Gasoline-electric hybrids (usually just called hybrids) have by far
been the most popular choice of environmentally conscientious car
buyers over the past few years.  Hybrids are fueled at the gas pump
just like any other gasoline-powered car, but boast particularly
impressive mileage (the 2005 Toyota Prius does 60 city and 51 highway
http://www.fueleconomy.gov/feg/findacar.htm ).[2] #_edn2
   


 A hybrid car has both a gasoline engine and an electric motor, but it
does not need to be plugged in.  The gasoline engine takes care of
charging the electric motor's battery.  The battery is also charged
when the driver steps on the brakes: the electric motor works in
reverse to stop the wheels by converting their rotational energy to
electricity saved in the battery.  Hybrids also cut out the gasoline
engine when the car drives very slowly or stops, minimizing energy
wasted in idling.

 Gasoline-electric hybrids are an excellent choice for the
environmentally aware consumer. Because of their high fuel economy,
hybrids reduce both greenhouse gases and traditional pollutants, like
any other high-mileage vehicle.  But buying a hybrid gives the
environment an extra boost because you are helping introduce an
important, cutting-edge technology.  So far, Honda and Toyota have
released hybrid passenger cars, and Ford has released a hybrid SUV.
You can expect to see many more models appear over the coming few
years.
   


#3: 

Re: [Biofuel] End of Suburbia

2005-02-25 Thread Paddy O'Reilly


farm is purchased at an elevated price just to fool around and the main 
income is through some other area. My father did the reverse - he 
inherited a farm from his father but found the income too low so he 
became a carpenter/builder/undertaker and ended up farming just as a 
hobby, plus he always had pure, un-tainted beef every year so no BSE or 
any muck that comes out of mass-production farming. Unfortunately I 
haven't inherited the farm so I have to start from scratch - got an acre 
and hoping to work up from that. Can you make biodiesel from apples 
'cause I have tons of apple trees. It might smell better than biodiesel 
from vegetable oil!!! There's always cider and calvados (yes, I'm Irish 
and always thinking of drink!!!).


Happy Friday ;oD

Kim  Garth Travis wrote:


Greetings,

I live in the middle of nowhere and yes, we do see this all the time.  
No one walks anywhere, no bicycles, very few motorcycles.  They drive 
25 miles to the city daily for whatever, even if they do not work.  
Many who live here drive 150+ miles a day to work and back.


Me, I go to town once a week, in my Volks TDI.  I did look at getting 
a motorcycle, but the animal feed ect. just doesn't fit.  Eventually 
we hope to lower the amount we are spending off farm, but it takes 
time and effort to build the place, improve the soil and keep 
everything done.  Being self sufficient is really hard to set up.  For 
example, right now I have to buy milk and milk products because my cow 
is almost 2 weeks overdue to have her calf.  I did have some milk in 
the freezer, but we ran out.  Mother Nature makes this lifestyle an 
art, not a science.  I have read books like 5 acres and independence, 
but they obviously did not have a Jersey cow.


The biggest problem I have found it that local economy is so 
expensive.  They expect you to pay dearly for the privilege of buying 
locally, to the tune of double what I can pay 25 miles away.


Worse than that, the local produce store carries Californian oranges, 
not the Texas or Louisiana oranges that I get a Walmart. [I am in east 
Texas]  We have nothing produced locally that is sold locally.  The 
high gas prices have had little effect on the lifestyle.


Most people who have moved here from the city have no interest in 
doing for themselves.  Less than 10% of the homes have gardens, and 
this in a place where gardening year round is easy.  The reality of 
today makes it hard to believe that any 'new urbanism' is going to be 
an improvement.


Bright Blessings,
Kim

At 12:51 PM 2/24/2005, you wrote:

I think the reason the film spoke of new urbanism as one possible 
result (not solution) is that a possible trouble with moving further 
out is that unless you can provide all of your own goods/services 
(which most can not), the increased distance will require MORE not 
less transportation (and hence more energy). High density living 
facilitates a reduction/concentration of transportation, and also 
enables the use of higher efficiency transportation methods (mass 
transit for individuals, trains for goods, etc).

_



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Re: [Biofuel] What Kind of Car?

2005-02-25 Thread Paddy O'Reilly


with solar cells. Don't know what the purpose of the exercise is but 
anything to bring solar panel into mass production and bring down the 
price is good. I've priced solar panels for my house at 1000 Euros per 
165 watt panel. I figure I'd need 10 of them to get 1kW average in Irish 
climate so the cost is 10k Euros and at an electricity rate of 12 cents 
per kW and an average of 8 hours per day of light, that's about 30 years 
to amortise my investment while the panels are guaranteed for something 
like 10 years and have a working life of 20 - hmm, much as I love this 
planet and all, I need cheaper solar panels to come out on top. Solar 
water heaters are a different matter - but this is a biofuel forum so 
we'd better stick to the topic like using biofuel to fire burners to 
heat the house - but wait, weren't we talking about powering cars.


Apologies, I'm wandering - my brain has indeed reached meltdown - roll 
on the weekend. Maybe the heat from my brain could be used to power a 
Stirling engine to get me home this evening!!!


bob allen wrote:

how about decking over the parking spots with solar panels?  How much 
energy could be captured if the whole parking space is paneled?  the 
spaces in front of my building are 9X18 ft or 162 feet each. or about 
15 meters squared.





Paddy O'Reilly wrote:

I've often thought about a car that would re-charge itself by solar 
panels when its sitting outside our offices for 8+ hours a day. Based 
on current technology it could convert about 2.6kW (0.33kwH x 8 
hours) into electrical energy. However a 20 mile journey home could 
use up this energy in the first few miles. Has anybody looked at this 
scenario - where the electric-only car recharges itself during 
daylight hours through the use of solar panels integrated into the 
body panels?


[EMAIL PROTECTED] wrote:


ILEA Leaf #10: WHAT KIND OF CAR?

You're concerned about the environment, but you need to drive. Which
car will do the least damage? There's no easy answer, and you will
have to make some tradeoffs between your budget and your determination
to help  change the world. But you will also need to think about what
changing the world means to you:


 Is it more important to (a) help reduce future emissions an uncertain
amount by investing in advanced technology or (b) reduce immediate
emissions a known amount with existing technology?

 Is it more important to (a) fight climate change and foreign oil
dependence by reducing fossil fuel use or (b) help clean the air in
your region by reducing traditional pollutants from the car tailpipe?


 At ILEA we are all about life-cycle assessment, so we like to take
the big picture approach: advancing technology trumps personal
emissions, and greenhouse gases trump local pollutants.  If you answer
the questions differently, keep those differences in mind as you read
through our recommendations; near the end of the email there's a
comparison table to help you do this.
   Below are five basic choices you can take, beginning with the most
conventional and ending with the most adventurous.[1] #_edn1   We
think the most adventurous steps probably have the most impact on the
big picture, but if you answered the  questions differently than we
do, you may want to take one of the other choices.
  #5: High-efficiency conventional cars

 If none of the more advanced options meet your needs, then you can
still reduce both your greenhouse gas and your traditional pollutant
emissions by being careful to choose a car with the highest fuel
economy.  Keep in mind though, this option will do little to advance
new technologies.
   The U.S. EPA's fuel economy website http://www.fueleconomy.gov/
provides comparative ratings of nearly all cars available in the U.S.
The American Council for an Energy Efficient Economy publishes the
Green Book http://www.greenercars.com/ , which provides even more
detailed environmental information.  Though the EPA website is free,
the Green Book is not: a month of access costs $8.95.
   Diesel engines are on average more efficient than gasoline engines.
Just as one example,  a manual transmission, 2005 VW Jetta Wagon is
rated 36 city and 47 highway
http://www.fueleconomy.gov/feg/findacar.htm .  In the United States
we tend to think of diesel cars as dirty, and indeed historically the
tailpipe emissions have been much worse than for gasoline cars.  But
beginning in mid-2006 all automotive diesel fuel in the U.S. will be
ultra-low sulfur
http://www.epa.gov/otaq/regs/fuels/diesel/diesel.htm , allowing
better emissions control and eliminating nearly all of the irritating
exhaust fumes we normally expect from diesel engines.  That means
beginning in 2007, many diesel vehicles will be preferable to their
gasoline counterparts.  Also, if you choose a diesel vehicle, you will
always be able to leapfrog to the much more aggressive biodiesel
solution, #3 below.



#4: Gasoline-electric hybrids   Gasoline-electric hybrids (usually 
just called hybrids) have

Re: [Biofuel] What Kind of Car?

2005-02-25 Thread Paddy O'Reilly


Could a diesel hybrid with solar panels could be a marketable product? 
Solar-only is the ultimate clean machine but we're a smidge away from 
that yet.


JD2005 wrote:


- Original Message -
From: Paddy O'Reilly
 


I've often thought about a car that would re-charge itself by solar
panels when its sitting outside our offices for 8+ hours a day.
   


Has anybody looked at this scenario -
 


where the electric-only car recharges itself during daylight hours
through the use of solar panels integrated into the body panels?
   



Is this the one where you use a diesel generator, running biofuel of course,
to keep the batteries topped up?

JD2005


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Re: [Biofuel] What Kind of Car?

2005-02-25 Thread Paddy O'Reilly



Mickey *B** wrote:




From: [EMAIL PROTECTED]
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED]
Subject: [Biofuel] What Kind of Car?
Date: Thu, 24 Feb 2005 14:23:31 EST


 ILEA Leaf #10: WHAT KIND OF CAR?




2 or 3 years ago, I was passed by an automobile that had stickers all 
over it claiming to be Magnet Power.  I did not get the website that 
it had, but I have been mildly interested in that for a while.  Does 
anybody know about such a car as that?


Mick

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Re: [Biofuel] End of Suburbia

2005-02-24 Thread Paddy O'Reilly


moved down the country (Ireland) and is currently living 21 miles out 
from the city (in deliverance land) here's my angle on the thing.


1. Living in the city was hell - I cycled to work and at least once a 
week had my life threatened by a driver eventhough I wore the brightest 
clothes possible and always had lights at night. I think its such a pity 
that the rift between driver and cyclist is ever-widening.
2. Having said that I wouldn't travel any other way around the city - 
Dublin city was not developed with futureproofing in mind so the streets 
are like those of New York (or any other city in the world except those 
with wide streets) so traffic jams abound day and night.
3. Living out the country is wonderful but you do need private transport 
as Ireland's public transport is concentrated mainly in Dublin and 
reduces exponentially as you move further away from the epi-centre. I 
have cycled to work, but 21 miles each way is tough, so I've switched to 
a motorbike just to be different from all the other sheep who herd into 
Cork city every morning. I try to cycle during the Summer months just to 
fight off the middle-aged spread.
4. Broadband could be an option for working from home but I think we 
probably won't get that until the next millenium (yes - the year 3000 
may see broadband routed to that part of the country). Again, its not 
Dublin so we don't really get anything new until all the money has been 
spent on cramming as many people into the city as possible.


So in answer to Ken's question I would probably move further out, buy a 
farm and grow my own food plus some rape, sunflowers or anything else 
that could be converted into biofuel. I think it was Walt Disney who 
said that the secret of his success was to observe the masses and do the 
opposite!


Apologies for the ranting but its Thursday evening in my part of the 
world and my brain is at meltdown from working!!!


Paddy.

Ken Provost wrote:


on 2/24/05 8:18 AM, R Del Bueno at [EMAIL PROTECTED] wrote:


 


There is a great film out now called The End of Suburbia ..
Oil depletion and the collapse of the American Dream

http://www.endofsuburbia.com/

Matthew Simmons is featured in the film quite a bit.
Everyone should see this film.


   



I ordered it from Post Carbon Institute and have been showing it
around for a couple weeks now. It's a bit timid, and it seems to
put a lot of emphasis on new urbanism as a comfortable alterna-
tive to the energy-intensive suburban model. Personally I favor
a more rural lifeboat approach. I wonder how our non-U.S. members
see this issue -- if you lived in the suburbs of a huge city, say,
20 km outside Paris or Berlin, gasoline was 10X today's price, and
the city was suffering from food shortages, infrastucture breakdown,
daily power outages, etc., would you try to:

a) move in closer,

b) stay where you are, or

c) get further out?

-K 


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Re: [Biofuel] Attn. Pack Rats -- (maybe) A cheap Process Control Idea

2005-02-23 Thread Paddy O'Reilly



If you use a 90MHz PC, the instruction cycle time could be around 11ns 
and faster for higher speeds so if you use a basic DOS or Linux without 
Windows and something like Turbo C, which should optimise your code, you 
would get very rapid processing and be limited only by your transducer 
conversion times which are more in the millisecond (and longer) range 
for instrumentation. For full control and monitoring you will need much 
more than a parallel port (or serial port). I favour parallel ports 
because you can bit bash the ports in whatever protocol the peripheral 
requires so you can add on I2C devices or any other devices that can be 
addressable without adding lots of individual ports to your PC.


I agree with you about the failsafe aspect - you don't want overheating 
situations where flash points are likely to be reached - this is where 
the bi-metallic strip can come in handy - set it to a point below the 
flash point but above your normal temperature and use it to cut off the 
supply to your heater (similar parameters to avoid creating a 
cyclone/twister with your agitator). A couple of years working in the 
mass transport arena polarises the mind towards taking account of all 
situations and planning for them. The wherewithal to design and build a 
multi-purpose analog/digital I/O board has eluded me since I built one 
for my final year project in university - but maybe one day ;-)


Of course there's always a PIC microcontroller which has the 
aforementioned analog/digital I/O and a development system is a 
relatively cheap investment - but that contradicts the whole theme of 
reusing old PCs.


Nothing is ever as easy as it seems on first glance.

Look on the bright side - if things do go wrong you could have the 
opportunity to receive an honourable mention in the Darwin Awards - 
http://www.darwinawards.com/ (joke !!).


Paddy.

Kirk McLoren wrote:


Greetings Mr. O'Reilly
The 22ns you refer to is switching time of the output
chip. What would be meaningful is response time from
an input to the port and the corresponding output
after processing time. 


Of course all of it will be very quick  compared to
the response time of a heater. I think what is being
neglected in this discussion is emphasis on the
ability to measure several things and graph them and
store the records for later use. Transducers are a
fascinating study and the heart of interfacing digital
computers to the physical world.

Don't forget backup failsafes. Any accidents in this
fledgling enterprise will be blown all out of
proportion to the public. Home processing could be
banned for example. The people that own petroleum
don't want competition.

Kirk


--- Paddy O'Reilly [EMAIL PROTECTED] wrote:

 


Hi,

I've been thinking about using old PCs to do exactly
this job for ages 
and for work I've used LabWindows to drive the
parallel port for a host 
of stuff. I've been looking at using plain old
DOS6.22 and freeware 
TurboC for control. Most parallel ports are
bi-directional (well on any 
PC that still works), TurboC can be quite compact
and when you run it 
under DOS there are no crazy Windows traps to fall
into. I tested the PC 
port of an old 90MHz Pentium and I think I got 22ns

switching rates from it.

However, I haven't managed to get the time or useful
purpose for any of 
my ideas yet but I'd be delighted to give you as
much info as I have on 
controlling parallel ports and my limited knowledge

of Turbo C.

Paddy.
   


.



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Re: [Biofuel] Attn. Pack Rats -- (maybe) A cheap Process Control Idea

2005-02-22 Thread Paddy O'Reilly



I've been thinking about using old PCs to do exactly this job for ages 
and for work I've used LabWindows to drive the parallel port for a host 
of stuff. I've been looking at using plain old DOS6.22 and freeware 
TurboC for control. Most parallel ports are bi-directional (well on any 
PC that still works), TurboC can be quite compact and when you run it 
under DOS there are no crazy Windows traps to fall into. I tested the PC 
port of an old 90MHz Pentium and I think I got 22ns switching rates from it.


However, I haven't managed to get the time or useful purpose for any of 
my ideas yet but I'd be delighted to give you as much info as I have on 
controlling parallel ports and my limited knowledge of Turbo C.


Paddy.

DHAJOGLO wrote:


Subject: Re: [Biofuel] Attn. Pack Rats -- (maybe) A cheap Process Control Idea

Hi everyone,
   


...
 


I was thinking of developing generic software (in C or assembler) for old 
computers to convert them into process controllers. For example, it might make 
an effective temperature controller for your still. If this works, I would take 
the programs and put them on a web page for download. If it's truly generic 
(compatible with all XX86 architecture), it will be a matter of copying the 
executable file to the hard drive of a computer, adding a line to the 
autoexec.bat file and making a harness (serial/parallel port to solid state 
relays and sensors).
   



Mike,
   I think you have a great idea.  I do know that your choice of OS will be 
important.  Between linux and microsoft there are a host of small, compact OSes 
that can be customized for specific support.  I say this because depending on 
the level of control you are looking for (just turning off a mixer after a time 
limit or actually opening valves and running pumps) may be difficult to attain 
with a generic OS.

However, I would look into the following areas for inspiration

http://www.automatedaquariums.com/
http://www.brewtechlabs.com/prod01_falcon.htm
http://www.employees.org/~joestone/Sbs/
http://www.controlanything.com/

When I started beer brewing I ran across some of this information.  I don't 
brew enough beer to use any of this but its worth looking into.

Let us know how you are progressing.  I may be able to provide some help though 
I have never tried anything of this nature.


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Re: [Biofuel] Attn. Pack Rats -- (maybe) A cheap Process Control Idea

2005-02-22 Thread Paddy O'Reilly


always a rush of adrenalin when you run your own program and wait in 
anticipation to see if your programming skills don't blow up your 
basement ;o)


Kirk McLoren wrote:


Computers are great. I like them. But they aren't as
reliable as simple physical systems. As for the delta
T a bimetal can operate over it is a question of
mechanical design. An electronic controller may
theoretically switch over a change of a milli degree
but in the real world the conductivity from the heater
to the mass, the rate of heating, amount of mixing in
a tank, rates of cooling etc can make for some
temperature differences that are enormously larger
than the sensitivity of the controller.

As for upset my daughters computer lost its CMOS
settings when the wrong breaker was thrown. Failed
CMOS battery? Doesn't lose setup info if powered down.
Doesn't lose it every time either. She also lost a
satellite internet transponder due to a glitch on the
powerline last year. Expensive spike that one.
You will also note Windows users are warned to not use
windows for critical control applications such as life
support. In industry numerical controllers are widely
used but critical operations have staff during
operation and redundant controls if failure analysis
indicates.

Redundant controls and voting? That helps failure rate
but it is still not perfect. I think if you size the
heater so that if it fails on while unattended so that
it cannot cause a fire or other danger then maybe your
computer controller is an acceptable risk. Maybe
include a bimetal disk cutout at 10 or 20 above
highest temp ever used. Appliance clothes dryers have
a backup cutout. They have to. Too many fires
otherwise and those controllers are much more reliable
than windoze.

I think old computers are great for data logging but
be damn careful when you include them in the loop for
control. Always have a backup safety or you may have a
situation not bargained for.

Kirk


--- Michael Redler [EMAIL PROTECTED] wrote:

 


OK Kirk.

Thanks for the reply.

I have a couple of follow-up questions:
First, Is accuracy of your temperature set points
(or other I/O) a critical issue for controlling a
process? Because, a PID or Smith compensator control
can give you far better control of your process than
a bi-metallic strip for example.

Second, I'd like to rephrase the question: Is there
any way (in your opinion) that obsolete computers
can be put to use for the purposes of generating
alternative energy?

Lastly: Can anything really be called foolproof?
If I count the number of times that I have a power
outage/lightning strike on my property, I still come
up with a good risk assessment -- especially since
set points can be stored in memory while power is
down and I'm not sure if any control system aside
from a purely mechanical one, would be effective
during those relatively rare times that a mishap
occurs.

I've made all of my arguments (so far) without
touching on the potential of a computer like a 486
as a platform for control and data acquisition --
all for the price of a bi-metallic strip. So,
after reading your reply and agreeing with its
logic, I'm still not convinced that the idea of
using obsolete computers is too far off base.

Mike  


Kirk McLoren [EMAIL PROTECTED] wrote:
A temperature controller that would not upset
because
of lightning or other power line disturbance and
would
not lose its settings with power supply failure may
prove superior especially if less expensive.

Thus a bimetal strip may prove best in the long run.

I am in favor of data logging and alarms via
computer
but fool proof and ultra reliable control usually
means no computer. 


Kirk

--- Michael Redler wrote:

   


Hi everyone,

For those of you who are working on your process
control for ethanol/methanol or biodiesel
production, I was wondering about something.

I hate to send anything to the land fill or scrap
yard that I might be able to use later and I'm
 


sure
   


you feel the same way. This philosophy has caused
 


me
   


to become a bit of a pack rat (and dumpster
 


diver).
   


My basement is neatly organized with old (486 and
P1) computers, motors, and other
mechanical/electrical devices from dissected
printers and other obsolete or broken down
equipment.

I was thinking of developing generic software (in
 


C
   


or assembler) for old computers to convert them
 


into
   


process controllers. For example, it might make an
effective temperature controller for your still.
 


If
   


this works, I would take the programs and put them
on a web page for download. If it's truly generic
(compatible with all XX86 architecture), it will
 


be
   


a matter of copying the executable file to the
 


hard
   


drive of a computer, adding a line to the
autoexec.bat file and making a harness
(serial/parallel port to solid state relays and
sensors).

Has anyone tried this already and if so, can that
person please share their experience 

Re: [Biofuel] Feathers in PCs No Birdbrain Idea

2005-02-22 Thread Paddy O'Reilly



Kirk McLoren wrote:


-
 Feathers in PCs No Birdbrain Idea  By Katie Dean
Story location:
http://www.wired.com/news/technology/0,1282,66361,00.html

02:00 AM Feb. 22, 2005 PT

Researchers are turning to an unlikely source to
developenvironmentally friendly computer components:
the barnyard.

Richard Wool, a professor of chemical engineering at
the University of Delaware,wants to recycle discarded
chicken feathers and use them to manufacturecircuit
boards, replacing petroleum-based components with
keratin-basedcomposites. Computer circuit boards are
only one of the manyapplications researchers envision
for this material.
lt;agt;lt;imggt;lt;/agt;

This is no birdbrain idea. One of the most well-known
technologycompanies, Intel, is contributing its
expertise to the project, Woolsaid. He recently
submitted a proposal to the U.S. Department
ofAgriculture for $500,000 over four years. If it is
funded, theresearch will start in the fall.

The basic goal is to introduce new green materials
that will have apositive effect on the environment,
reduce waste materials, provide abetter bang for the
farmers' buck and improve the current properties
ofpetroleum-based printed circuit boards, which are
not sustainable,Wool said.

It's the kind of the thing the USDA should be
funding, he said. It'stheir chickens and their
soybeans.

Circuit boards are typically made of an
epoxy-fiberglass composite,Wool said, which is then
printed with wires and circuits. Woolenvisions using
soybean oil to replace the epoxy and chicken
feathersto replace the fiberglass, creating a
healthier composite for theenvironment.

The hair on the chicken feathers -- the quill is not
used --contains about 50 percent air, which has some
benefits: It lightens theweight of the composite and
creates an environment conducive tohigh-speed
circuits, Wool said.

An Intel representative said it was a bit premature to
discuss theproject at this time.

Thanks to the country's appetite for chicken, there
are a plenty offeathers available. They are generally
seen as a nuisance, researcherssay, so it makes sense
to reuse the 5 billion pounds of chickenfeathers
generated in the United States each year. Currently,
thefeathers are rendered into low-grade animal feed
for cattle, calledfeather meal.

Because of concerns over mad cow disease, the Food and
DrugAdministration and the USDA are in the process of
reviewing regulationson feeding animal byproducts like
feather meal to herbivores, accordingto Walter
Schmidt, research scientist for the USDA and the
leadscientist on the feather-to-fiber patent. Feathers
are not permittedfor use in animal feed in Great
Britain and Europe.

Using it in animal feed is a way of getting rid of a
wasteproduct, Schmidt said. If (poultry producers)
can make more moneyselling it for fiber, they would
immediately do that.

Schmidt said that in order for feathers to be useful
in themanufacturing process, there must be a product
that makes a profit, andsomeone needs to supply the
fiber to the plant at a production levelthat is
suitable for the manufacturer's use. Researchers are
steppingin to address the first concern; David Emery,
CEO and president ofFeatherFiber -- the only company
that has licensed the USDA patent forfeather fiber --
addresses the second.

There (are) always parts of an animal that companies
wish theydidn't have because they don't make much
money on them, said Emery, amechanical engineer and
veteran of the meat-processing industry whobuilt all
the machines in his pilot plant in Missouri. I always
lookedat how I could process whatever part of the
animal it was.

To turn feathers into a usable product, they are first
plucked fromthe birds at chicken-processing plants and
then the hot, wet feathersare immediately hauled to
Emery's plant. There the undesirable partslike
chicken heads, feet, windpipes and fecal matter are
sorted outfrom the truckload of feathers.

They're not a nice sight, to put it mildly, Emery
said. And theydon't smell very good, either.

The feathers go through multiple washes, are dried,
and the fibers(the fluffy part of the feather) are
separated from their quills. Theequipment can also
handle turkey feathers, which are normally difficultto
process. It's like jamming pencils into conveyer
belts, Emerysaid.

The feather fiber and chopped-up quills are then baled
separately.

Wool, the University of Delaware researcher, receives
the feathersafter Emery converts the feather fiber
into keratin mats that resemblepaper towels. They are
then placed into a mold, layered on top of oneanother
and infused with a soybean resin that hardens and
forms thecomposite. The material is then put through
the circuit-printingprocess to become a circuit board.

In addition to use in circuit boards, other possible
applicationsfor the feathers include composite
materials for the construction andautomotive
industries. Hurricane-resistant roofing,
termite-proofbuilding materials and nonstructural 

Re: [Biofuel] Question

2005-02-22 Thread Paddy O'Reilly



The word you are looking for could be Angstrom which is one tenth of a 
nanometer. It is used mainly in chemistry and sometimes in electronics.


Paddy.

Pieter Koole wrote:


Hello dear all,
Can anyone tell me how to find out what is glycerin, soap or solid BD ?
Recently I made a few batches of BD from a very poor quality WVO.( about one
I already wrote; it was with water in it, which was of course my mistake ).
At the moment it is winter in Holland and the temp is around zero ¡ C.
The BD turns to a mixture of solid and liquid and I don't know what is
what. When I filter it and put the liquid part in the tank, it is ok, but
the solid part is about half of the whole lot. I don't realy trust this part
enough to put in my tank in the summer, because it might be glyc or even
soap or a mixture of the both (even mixed with solid BD ).
Any help or advice would be very welcome.

Something about the mistake I made : I made BD in a tank where there was
some water in. The BD did not get clear, but like coffee with milk. I washed
a one liter sample about 20 times now, and it is getting coffee with even
more milk. The water at the bottom is clear now, but I am getting a little
less BD after every time I washed it. Do you think I should turn the whole
lot into soap, or is there any other solution thinkable ( I can imagion
something with zeolite, but still I have not found any place where I can buy
this stuff ( as far as I know I would need 3  )).
By the way,  is an old fashioned something (what is the word ?).
These days it is written as 1.10 » meter, where a is -10 in this case.


Met vriendelijke groet,
Pieter Koole
Netherlands.


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