Jones suggested trying microwaves at the resonant frequency of water(
22Ghz) to aim down the hollow shaft.
Hmmm. That would take a calibrated tube diameter. We had thought of
installing thin wall tubing inside the hollow shaft coming in from the top, but
surrendered the idea in favor of
Robin van Spaandonk wrote:
They have to be tethered, or
they won't harvest energy. Free
flying craft don't stand still in the wind without expending
energy, not what you want.
I figured. I suppose that when a hawk hovers, it is in an updraft or
thermal.
Still, I do not understand how to
http://www.energybulletin.net/4638.html
Waiting until world conventional oil production peaks before implementing
crash program mitigation leaves the world with a significant liquid fuel
deficit for two decades or longer, according to a report prepared for the
Department of Energy's National
I uploaded an Acrobat document with some of the graphs from Lawrence
Livermore and NREL. These are very useful. I based most of the recent
posting What if all cars ran on electricity . . .
on these graphs and on the figures in Appendix C (included here).
The information in Appendix C is
Jed Rothwell wrote:
The cost of collecting data from the meters is only a small percent of
total expenses because meter readers only come around two to four
times a year, as Nagel noted. Your bill is based on your previous
history consumption. I do not see why anyone objects to this.
I never
Hi Stephen.
Fair enough, my rate goes down from 16.46 to 16.05
after 250KWH. I should add that although I am using
the 16 cents figure, the actual cost is 10.1 cents.
the extra 6.5 cents is the markup Con Ed is charging,
in addition to a fixed cost of 10.50 for the service.
Like I said, they
Would not these flying kites cast a shadow up on the Earth
depriving us of the suns energy?- Ges-
Jed wrote:
Still, I do not understand how to calculate the strength of the
tether. It seems to me it must be enough to overcome drag only. The Skypower
people are talking about building 20 MW units. Obviously a tether could not
withstand the force of wind that creates that much energy! The
From: Keith Nagel [EMAIL PROTECTED]
I was hoping this discussion would prod some other members
to post their costs, I'm curious what others are
paying for electricity.
10.49 cents/kWhr here in the Atlanta surburbs via a cooperative.
Terry
[EMAIL PROTECTED] wrote:
Would not these flying
kites cast a shadow up on the Earth
depriving us of the suns energy?- Ges-
Yes, some light would be reflected back into space, but the effect would
be negligible. These machines have very small surfaces overall. See the
picture here:
Keith Nagel wrote:
I was hoping this discussion
would prod some other members
to post their costs, I'm curious what others are
paying for electricity. The last time I looked, the
_actual_ cost ( currently 10.1 cents )
This is the kind of thing the EIA provides, based on authoritative
industry
Keith Nagel wrote:
I was hoping this discussion would prod some other members
to post their costs, I'm curious what others are
paying for electricity.
OK, I looked at a recent bill. (This is NSTAR, in the Boston area.)
First thing I notice: No mention of any sliding scale for various
usage
By the way, the NREL graphs show convincingly that the most
energy-efficient way to use fossil fuel for automobiles would be to convert
natural gas to hydrogen and use it in a fuel-cell car. This would be
roughly 30% more efficient than burning fossil fuel and using electric
cars, which is the
Stephen A. Lawrence wrote:
I _guess_ renewable
energy is an item that pays for some contruction/investment in
windmills or some such and that they've gotten permission to sock
everybody with an extra fee on account of it.
Several power companies are starting to offer green energy,
with a
From: Jed Rothwell [EMAIL PROTECTED]
We have no hydro or wind
resources, and not much biomass.
I beg your pardon. I ran the Tallulah George generating plant during the union
worker's strike (we light up your life) in 1981. That plant has six, count
'em, six 12 MW generators that have
From: Terry Blanton [EMAIL PROTECTED]
I ran the Tallulah George generating plant
That should read 'Gorge' (fighting images of Tallulah Bankhead and Boy George).
Jed Rothwell wrote:
Jones Beene wrote:
I do not think those gigantic kites would require
ultra-strong tethers. They would not pull on the
tether much.
This could not be correct, logically.
IF you were right and the kite would not pull on the
tether much then you don't need a tehter at all!!
Stephen A. Lawrence wrote:
Note also that autogyro
analogies are likely to be misleading because the vertically oriented
turbine in an autogyro . . .
You mean the propeller, right? The propellor is vertical; the unpowered
rotor is horizontal.
. . . does no work
on the plane -- a craft in level
Thanks Jed. It will be informative whiling away eternity in the sulfury pits of
hell with ya (grin).
Idaho looks like the goto place for buying electricity.
After a little fiddling with the coned site, I found my way here.
http://www.poweryourway.com/pages/home.html
Sadly, of the 2 or so
Stephen writes:
//
0.03959 -- distribution charge
0.02346 -- transition charge (thievery to pay for a merger?)
0.00565 -- transmission charge
0.00050 -- renewable energy (WTF??)
0.00250 -- energy conservation (WTFF??)
I can't imagine what it means that they're charging 0.00250 c/kWh
Terry Blanton wrote:
We have no hydro or wind
resources, and not much biomass.
I beg your pardon. I ran the Tallulah George generating plant
during the union worker's strike . . .
I should have said additional or untapped hydro. We have few renewable
resources that we have not already tapped.
From: Jed Rothwell [EMAIL PROTECTED]
I should have said additional or untapped hydro.
It's a funny story because everyone really believed 72 MW would be all the
state needed until the year 2000. Today's generators output 818 MW typically.
Terry Blanton wrote:
It's a funny story because
everyone really believed 72 MW would be all the state needed until the
year 2000. Today's generators output 818 MW
typically.
And Georgia has 34,601 MW of capacity! They were off by a factor of 480.
See:
leaking pen wrote:
I was just sent this by a friend. anyone seen it before?
http://www.thepump.org/art3subcuttings.html
it seems plausible, yet im immediately thinking there is an ou issue
here. its essentially pumping water from the surface and back, yes
no? with no extra source of energy.
Terry Blanton wrote:
According to this
article:
http://tinyurl.com/6n4ty
Delft Technical University is actually going to build
one!
Quotes from article:
Strong high altitude winds acting on the kitewings produce as
upward force on one side of the loop and a downward force on the other,
Jed,
Thanks for sharing the link to the Japanese pastel art exhibit. My
wife has taught pastels for some years and presently teaching an ancient art
form " encaustics" a wax-oil mix heated after application.
Very good work shown in the exhibit by the Japanese artists.., that can
show us
From: Jed Rothwell [EMAIL PROTECTED]
I don't get it. I cannot imagine any material used for the tether would be
strong enough to turn a 100 MW generator. Even 1 MW seems out of the question.
I doubt the materials science people have been consulted for a 100 MW
generator. ;-)
Here's an
Jed Rothwell wrote:
See:
http://money.cnn.com/2005/04/11/Autos/used_prius/index.htm
QUOTES:
Used Prius prices like new
High gas prices, long waits bring used Prius prices above list price
of a new model, study says.
NEW YORK (CNN/Money) - Demand for the gas-electric hybrid Prius is so
great
Keith Nagel wrote:
I was hoping this discussion would prod some other membersto post
their costs, I'm curious what others arepaying for electricity. The last
time I looked, the_actual_ cost ( currently 10.1 cents )
My Jan. 05 bill is 9.8959 cents per KWH
In reply to Stephen A. Lawrence's message of Wed, 13 Apr 2005
16:23:43 -0400:
Hi,
[snip]
Note that the turbines in the skywindpower gadget are horizontal, like
autogyro rotors. (They look horizontal to me.) The wind turns them the
same way it turns the unpowered horizontal rotor in the
You wrote:
Thanks for sharing the link to
the Japanese pastel art exhibit.
Thanks. Frankly, I thought most of the pictures are kitsch, but nobody
asked my opinion. The exhibit page, by the way, is here:
www.us.emb-japan.go.jp/jicc
- Jed
At 2:06 PM 4/13/5, Keith Nagel wrote:
I was hoping this discussion would prod some other members
to post their costs, I'm curious what others are
paying for electricity. The last time I looked, the
_actual_ cost ( currently 10.1 cents ) was competitive
compared to other providers. I could shop
In reply to Jed Rothwell's message of Wed, 13 Apr 2005 16:49:24
-0400:
Hi,
[snip]
I don't get it. I cannot imagine any material used for the tether would be
strong enough to turn a 100 MW generator. Even 1 MW seems out of the question.
[snip]
Because any cable needs to be able to at least
--- Stephen A. Lawrence [EMAIL PROTECTED] wrote:
Fabulous!
I've been saying for years (mostly to my
long-suffering family) that the
biggest thing wrong with the way our petroleum
policy is run in this
country is that there should be a federal gasoline
tax which keeps the
price per
In reply to Robin van Spaandonk's message of Thu, 14 Apr 2005
08:23:14 +1000:
Hi,
[snip]
Because any cable needs to be able to at least support it's own
weight, a maximum length can be calculated by dividing the tensile
strength of the material by the density.
For good steel I get 60 lb/sq.
In reply to Robin van Spaandonk's message of Thu, 14 Apr 2005
08:51:11 +1000:
Hi,
[snip]
I wrote:
iron (7.87 gm/mL) = 176000 ft. At that length, any extra tension
(i.e. an addition real load), will break it.
Actually that's wrong. Because of the way in which tensile
strength is measured, the
Hi Kyle,
I think what you need to ask yourself is; is 5$ a gallon
gas better or worse than being drafted into military service
to take the oil by force? Last figures I read had us
at 1 million plus men in service; Rumsfeld ( perhaps the
only honest man in the administration ) says now we
have
Hi Robin and Stephen,
...
Actually that's wrong. Because of the way in which tensile
strength is measured, the force pulling up on the cable can equal
the weight of the cable, so even at maximum length, almost any
upward force can be maintained, simply by making the cable
thicker, until
Kyle Mcallister wrote:
--- Stephen A. Lawrence [EMAIL PROTECTED] wrote:
Fabulous!
I've been saying for years (mostly to my
long-suffering family) that the
biggest thing wrong with the way our petroleum
policy is run in this
country is that there should be a federal gasoline
tax which keeps
[EMAIL PROTECTED] wrote:
Hi Robin and Stephen,
...
Actually that's wrong. Because of the way in which tensile
strength is measured, the force pulling up on the cable can equal
the weight of the cable, so even at maximum length, almost any
upward force can be maintained, simply by making the
Kyle Mcallister writes:
price per gallon in the $3 to $5 range, at a
minimum.
This is the stupidest thing I have heard in a while.
Force the gas prices to be that high? How much do you
make a year? Have any idea how this will affect the
masses out there who make very little a year (while
UPCOMING SYMPOSIUM on COLD FUSION at MIT, Cambridge Massachusetts
The 2005 Cold Fusion Colloquium
Cold Fusion and other Clean Energy Investigations from the Edge of the
Envelope
with Special Tribute to Dr. Eugene Mallove, Cold Fusioneer, Investigator
and MIT Graduate
General Topics
Science
In reply to Stephen A. Lawrence's message of Wed, 13 Apr 2005
22:10:47 -0400:
Hi,
[snip]
The problem is that the cable is going to hang in a catenary. If it's
at a 45 degree angle at the kite, it's going to be at some much smaller
angle relative to the ground. In order to avoid having
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