[EVDL] EVLN: ReVolt electric delivery drone vessel for sea voyages (video)
Rolls-Royce Unmanned Cargo e-Ships http://www.theverge.com/2014/9/12/6139855/this-ship-is-a-delivery-drone-for-the-open-sea This ship is a delivery drone for the open sea By Russell Brandom September 12, 2014 [video http://www.youtube.com/watch?v=AAXgKjDRqcA ReVolt - An unmanned, battery-powered ship concept gCaptain.com Sep 11, 2014 World's largest classification society DNV GL has released details of a new concept ship design for the short sea shipping market which is battery powered, highly efficient, and, get this, unmanned. image http://cdn0.vox-cdn.com/thumbor/YmjRE7msK-yhaDQgd1low1TXvhA=/650x0/filters:no_upscale()/cdn2.vox-cdn.com/uploads/chorus_asset/file/694622/Screen_Shot_2014-09-12_at_10.11.44_AM.0.png ReVolt ] Amazon got the biggest headlines for its drone delivery plans, but it's an idea that's catching on across the shipping industry. At a nautical trade fair in Hamburg this week, the shipping research firm DNV GL revealed designs for a new electric vessel that would ferry cargo with zero crew members — roughly the nautical equivalent of Amazon's automated delivery drones. Dubbed ReVolt, the concept ship is designed for short sea voyages, carrying up to 100 standard TEU containers at a relatively slow 6 knots. But because the ReVolt has no crew, it doesn't need living quarters or safety equipment, resulting in a much more efficient trip between ports. It's still just a concept vessel, but vessels like the ReVolt could make a huge difference in how we move goods around the world. More than 9 billion tons of cargo moved through ports in 2012, leaving a huge market if automated vessels like the ReVolt are adopted. According to DNV GL, there will be real benefits for firms who do. Because of low maintenance costs, the company estimates the ReVolt would save more than a million dollars a year compared with shipping the same goods on conventional diesel ships. [© 2014 Vox Media] http://gcaptain.com/dnv-gl-short-sea-ship-of-the-future-is-unmanned/ DNV GL’s Short Sea Ship of the Future is Unmanned By Mike Schuler On September 11, 2014 [image / courtesy DNV GL http://gcaptain.com/wp-content/uploads/2014/09/unnamed-1.jpg ] World’s largest classification society DNV GL has released details of a new concept ship design for the short sea shipping market which is battery powered, highly efficient, and, you guessed it, unmanned. Details of the “ReVolt” concept were released this week at SMM Hamburg, one of the world’s leading maritime trade fairs. DNV GL says the ReVolt is a vessel that is greener, smarter and safer than conventionally fueled and operated vessels, offering a possible solution to the growing needs of marine transport. Instead of using diesel fuel or even LNG, ReVolt is fully powered by a 3000 kWh battery, thus reducing operating costs by minimizing the number of high maintenance parts such as rotational components. DNV GL says that, at least in concept, the vessel has a range of 100 nautical miles before a recharge is needed and if the energy required is harnessed from renewable sources, this would eliminate carbon dioxide emissions. The ReVolt could achieve even greater efficiency by slowing to an average operating speed 6 knots, leading to less water resistance compared to traditional vessels, which usually travel at about 8.7 knots, DNV GL says. The slower speed allowed DNV GL engineers to fit the concept with a straight vertical bow, further reducing water resistance along the ship’s entire profile and ultimately saving energy. In order to tackle one of the shipping industries’ “weakest links”, safety will be enhanced through an autonomous navigation system that requires no crew, and therefore eliminates the risk of human error and makes the concept more cost-efficient to operate. DNV GL says that with an average of 900 fatalities per year, the mortality rate in shipping is 90 percent higher than in comparable land-based industries, primarily due to the human factor when it comes to accidents. With no crew, there is also no need for crew facilities such as the superstructure, DNV GL says. This results in an increase in loading capacity and low operating and maintenance costs. Compared to a diesel-run ship, DNV GL says that ReVolt could save up to 34 Million USD during its estimated 30-year-life-time. DNV GL notes that while the ReVolt concept ship is currently still being tested and will not be built until all the required technologies have matured, it should serve as example of what is conceivably possibly given today’s technology and what could also be in store for the future. “Building and operating this vessel would be possible with today’s technology,” says Hans Anton Tvete, Senior Researcher at DNV GL. “‘ReVolt’ is intended to serve as inspiration for equipment makers, ship yards and ship owners to develop new solutions on the path to a safe and sustainable future.” [© 2014 Unofficial Networks] ...
[EVDL] EVLN: Kiwi's DIY EV save$ money planet NZ$1/50km
http://www.stuff.co.nz/nelson-mail/news/10503986/Inventor-joins-climate-change-drive
Inventor joins climate change drive
CHARLOTTE SQUIRE 16/09/2014
[images / CHARLOTTE SQUIRE/FAIRFAX NZ
http://static2.stuff.co.nz/1410826345/012/10504012.jpg
NEW GENERATION: Golden Bay inventor Albie Burgers’ 1988 Daihatsu Charade is
100 per cent electric powered and costs $2/100km to run.
http://static2.stuff.co.nz/1410826406/016/10504016.jpg
RECHARGEABLE: The electric car is run on lithium batteries.
]
DIY electric car saves money, planet
Albie Burgers' electric car can travel 50 kilometres and cost him $1.
His car and other alternatively-powered vehicles will be appearing at the
first People's Climate Drive and Car Rally, which is pushing international
mobilisation for climate change, this Sunday in Golden Bay.
The converted 1988 Daihatsu Charade is eerily silent to drive.
Burgers, who is known as an inventor in Golden Bay, recharges it with his
own solar panels.
It cost him and his wife, Fill, $10,000 to buy and upgrade the car,
although he said he bought it for mate's rates from his nephew, Anthony
Field, who is also an alternative power enthusiast.
Warranted and registered, the couple use their electric car to zip around
town, in Takaka.
One issue that some electric car consumers face is range anxiety, the
concern that one's car could run out of power at any moment.
Burgers said it was a good idea to plot friends' houses along your journey,
in case your car needed a charged.
Though he is excited about his new mode of transport he says it's not the
way of the future but of indulgence because electric bikes are better.
He sees road congestion as a significant issue yet to be overcome.
He bought the Daihatsu already converted by an engineer but had to invest
$5000 in new rechargeable lithium batteries.
He said a car could be converted using a kit, though handy man skills
were needed.
It's a bit geeky at the moment, converting a car by yourself.
Albie and Fill dream of a slow tiki tour around New Zealand in their silent
car, stopping at friends' houses to charge up.
The People's Climate Drive and Car Rally will be on this Sunday, September
21, starting at 10 am at the Takaka library car park. It finishes at the
Mussel Inn in Onekaka.
Organiser Kevin Durkan is expecting a range of car owners to attend the
hybrid/electric car rally.
[© 2014 Fairfax New Zealand]
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http://postandparcel.info/62653/news/environment-news-2/la-poste-group-replaces-scooters-with-electric-three-wheelers/
La-Poste-Group.fr replaces scooters with electric three-wheelers
http://www.maritime-executive.com/article/Electric-Ferry-Wins-Ship-of-the-Year-2014-09-14
Norled Fjellstrand-Yard Electric-Ferry Wins Ship-of-the-Year award
http://www.greenoptimistic.com/2014/09/05/e-bike-conversion-kit-monitors-heart-rate-tells-go-electric/
E-bike Kit Monitors Heart Rate, Tells You When to Go Electric
http://cleantechnica.com/2014/09/15/new-zealands-green-party-proposes-100-renewable-energy-target-ahead-elections/
NZ Green Party agenda NZ$10M to increase public EVSE infrastructure
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EVLN: ReVolt electric delivery drone vessel for sea voyages (video)
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Re: [EVDL] EVLN: £75k York.uk 1st converted double-decker sightseeing ebus (video)
Yes - your maths is better than mine! We have a very convoluted attitude to units. We decimalised in the 70's but it only really took for money. Ever since we have painfully slowly been moving over to everything else. So, the weather man mostly talks about Celsius (but occasionally throws in a few imperial references to keep the older viewers happy). Distances are still almost 100% in miles (sign posts etc). Petrol is now virtually 100% metric. Food is mostly metric except for markets who seem to be able to switch according to the customer's needs (but the law says it must be displayed and weighed metrically - still have people being arrested for doing it imperially!) Cookery has gone over, too (thank goodness - what the blazes is a 'cup'?!... except we still use teaspoons and tablespoons liberally, though they have an accepted precise decimal equivalent - 5 10ml resp). Rather off topic! MW On 21 Sep 2014, at 00:21, EVDL Administrator via EV ev@lists.evdl.org wrote: On 20 Sep 2014 at 11:21, Martin WINLOW via EV wrote: 133kW LiFePO4 pack ... I'm a bit confused as to why it only gets 70 miles or so range if it does 0.67 miles per kWh... Let's see, 0.67 * 133 = 89 miles. 70 / 89 = 0.79. So that 70 miles would be roughly 80% of the theoretical maximum range. Sounds to me as if - for once - they're quoting the usable range, not the drop-dead maximum. If so, I say bravo. PS - UK measures range in miles, not KM? David Roden - Akron, Ohio, USA EVDL Administrator = = = = = = = = = = = = = = = = = = = = = = = = = = = = = EVDL Information: http://www.evdl.org/help/ = = = = = = = = = = = = = = = = = = = = = = = = = = = = = Note: mail sent to evpost and etpost addresses will not reach me. To send a private message, please obtain my email address from the webpage http://www.evdl.org/help/ . = = = = = = = = = = = = = = = = = = = = = = = = = = = = = ___ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA) ___ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
Re: [EVDL] EVLN: Amazon Google autonomous flying delivery e-drones
Delivery e-drones smacks of Big Brother taking control over the masses Mark my words, Delivery Drones will someday deliver more than online purchases on you. I think they will be fueled with malicious intent. Terry -- From: EVDL Administrator via EV ev@lists.evdl.org Sent: Saturday, September 20, 2014 6:21 PM To: ev@lists.evdl.org Subject: Re: [EVDL] EVLN: Amazon Google autonomous flying delivery e-drones On 20 Sep 2014 at 2:06, brucedp5 via EV wrote: Talking about the droneTMs design, Google says it has 1.5m wingspan and four electric propellers which help it in driving. This piece is rather vague. I get the distinct impression that the writer's native language isn't English. So when he says electric propellers does he really mean that the drone's fuel is electricity? I looked at several other web articles on this. Oddly, none of them even mentions how the drone is fueled. I'm no expert, but I would think that a craft like that would have pretty limited range and/or payload if it had to carry all its energy in a battery. I wonder if it might be something more like this. http://gizmodo.com/this-hybrid-quadcopter-drone-can-take-off-and-land-vert- 1177032394 http://tinyurl.com/l95usya David Roden - Akron, Ohio, USA EVDL Administrator = = = = = = = = = = = = = = = = = = = = = = = = = = = = = EVDL Information: http://www.evdl.org/help/ = = = = = = = = = = = = = = = = = = = = = = = = = = = = = Note: mail sent to evpost and etpost addresses will not reach me. To send a private message, please obtain my email address from the webpage http://www.evdl.org/help/ . = = = = = = = = = = = = = = = = = = = = = = = = = = = = = ___ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA) ___ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
Re: [EVDL] Dissimilar metals on Headyways?
I think you're fighting a losing battle. Different alloys have an influence, but not enough to overcome the fact that copper has roughly twice the conductivity (both electrical and thermal) of aluminum. You'll need twice the cross-sectional area in aluminum as you would need with copper to achieve similar performance. Your 1.75 inch test shows a lack of proportionality, but that's likely due to short straps and how the current flows locally from the bolted joint. I'm thinking your best bet is to use copper conductors and be very sure all connections are thoroughly greased (Noalox, Vaseline, whatever) to ensure all moisture is excluded from the joint. And I would re-grease them once a year. Chris On Sun, Sep 21, 2014 at 2:54 AM, via EV ev@lists.evdl.org wrote: I thought folks would like to hear the results of some of my testing. 1/2 inch smashed copper pipe, 200 Amps for a 2S2P pack of 8 Ahr P (for Power) Headway cells: Things stayed cool. 1/2 inch by 0.02 inch braided strap with smashed copper pipe at connections: 5 F rise in 90 seconds at 200 A 1/2 inch by 0.01 inch Al: 200A, 80F to 200F in about 15 seconds! This was done in the oxidized state. 1/2 inch by 0.01 inch Al: 200A, 80F to 200F in about 15 seconds! This was done with sanding and immediate Noalox. 1.75 inch by 0.02 inch Al: 200A, 80F to 160F in about 30 seconds. The Al performed way worse than theory predicted, then I think I figured it out. Al roof flashing from Home Depot is apparently not a very conductive alloy of Al. I'd guess better Al would perform much closer to Cu. ___ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA ( http://groups.yahoo.com/group/NEDRA) -- next part -- An HTML attachment was scrubbed... URL: http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20140921/5d7baf7c/attachment.htm ___ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
Re: [EVDL] EVLN: £75k York.uk 1st converted double-decker sightseeing ebus (video)
Mark, For goodness sake you forgot to include that us Brits (including Scots thank goodness) still drink pints of wonderfully warm hand pumped real ale. Sorry all, still off topic. Russ :-) On Sun, 21/9/14, Martin WINLOW via EV ev@lists.evdl.org wrote: Subject: Re: [EVDL] EVLN: £75k York.uk 1st converted double-decker sightseeing ebus (video) To: EVDL Administrator evp...@drmm.net, EVDL Post Message ev@lists.evdl.org Date: Sunday, 21 September, 2014, 9:25 Yes - your maths is better than mine! We have a very convoluted attitude to units. We decimalised in the 70's but it only really took for money. Ever since we have painfully slowly been moving over to everything else. So, the weather man mostly talks about Celsius (but occasionally throws in a few imperial references to keep the older viewers happy). Distances are still almost 100% in miles (sign posts etc). Petrol is now virtually 100% metric. Food is mostly metric except for markets who seem to be able to switch according to the customer's needs (but the law says it must be displayed and weighed metrically - still have people being arrested for doing it imperially!) Cookery has gone over, too (thank goodness - what the blazes is a 'cup'?!... except we still use teaspoons and tablespoons liberally, though they have an accepted precise decimal equivalent - 5 10ml resp). Rather off topic! MW On 21 Sep 2014, at 00:21, EVDL Administrator via EV ev@lists.evdl.org wrote: On 20 Sep 2014 at 11:21, Martin WINLOW via EV wrote: 133kW LiFePO4 pack ... I'm a bit confused as to why it only gets 70 miles or so range if it does 0.67 miles per kWh... Let's see, 0.67 * 133 = 89 miles. 70 / 89 = 0.79. So that 70 miles would be roughly 80% of the theoretical maximum range. Sounds to me as if - for once - they're quoting the usable range, not the drop-dead maximum. If so, I say bravo. PS - UK measures range in miles, not KM? David Roden - Akron, Ohio, USA EVDL Administrator = = = = = = = = = = = = = = = = = = = = = = = = = = = = = EVDL Information: http://www.evdl.org/help/ = = = = = = = = = = = = = = = = = = = = = = = = = = = = = Note: mail sent to evpost and etpost addresses will not reach me. To send a private message, please obtain my email address from the webpage http://www.evdl.org/help/ . = = = = = = = = = = = = = = = = = = = = = = = = = = = = = ___ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA) ___ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA) ___ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
Re: [EVDL] Dissimilar metals on Headyways?
I might well be fighting a losing battle, but for the price of 4 holes in a strip of material it has been a great education. Tonight I tested the different alloys of Al idea. Last time, 0.02 x 1.75 in strip of roof flashing aluminum: ~120 F temperature rise in ~15 seconds, cross sectional area 0.036 in^2 Tonight: 0.1 in diameter aluminum welding filler rod ~30 F temperature rise in ~90 seconds, cross sectional area 0.016 in^2 I was rather impressed that 1/2 the area had ~1/4 the temperature rise! My guess is the welding rod is a more conductive Al alloy than the roof flashing is the big difference. Sent: Sunday, September 21, 2014 at 11:03 AM From: Chris Tromley ctrom...@gmail.com To: evdragra...@email.com, Electric Vehicle Discussion List ev@lists.evdl.org Subject: Re: [EVDL] Dissimilar metals on Headyways? I think you're fighting a losing battle. Different alloys have an influence, but not enough to overcome the fact that copper has roughly twice the conductivity (both electrical and thermal) of aluminum. You'll need twice the cross-sectional area in aluminum as you would need with copper to achieve similar performance. Your 1.75 inch test shows a lack of proportionality, but that's likely due to short straps and how the current flows locally from the bolted joint. I'm thinking your best bet is to use copper conductors and be very sure all connections are thoroughly greased (Noalox, Vaseline, whatever) to ensure all moisture is excluded from the joint. And I would re-grease them once a year. Chris On Sun, Sep 21, 2014 at 2:54 AM, via EV ev@lists.evdl.org wrote:I thought folks would like to hear the results of some of my testing. 1/2 inch smashed copper pipe, 200 Amps for a 2S2P pack of 8 Ahr P (for Power) Headway cells: Things stayed cool. 1/2 inch by 0.02 inch braided strap with smashed copper pipe at connections: 5 F rise in 90 seconds at 200 A 1/2 inch by 0.01 inch Al: 200A, 80F to 200F in about 15 seconds! This was done in the oxidized state. 1/2 inch by 0.01 inch Al: 200A, 80F to 200F in about 15 seconds! This was done with sanding and immediate Noalox. 1.75 inch by 0.02 inch Al: 200A, 80F to 160F in about 30 seconds. The Al performed way worse than theory predicted, then I think I figured it out. Al roof flashing from Home Depot is apparently not a very conductive alloy of Al. I'd guess better Al would perform much closer to Cu. ___ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub[http://www.evdl.org/help/index.html#usub] http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA[http://groups.yahoo.com/group/NEDRA]) ___ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
Re: [EVDL] Dissimilar metals on Headyways?
via EV wrote: I might well be fighting a losing battle, but for the price of 4 holes in a strip of material it has been a great education. Tonight I tested the different alloys of Al idea. Last time, 0.02 x 1.75 in strip of roof flashing aluminum: ~120 F temperature rise in ~15 seconds, cross sectional area 0.036 in^2 Tonight: 0.1 in diameter aluminum welding filler rod ~30 F temperature rise in ~90 seconds, cross sectional area 0.016 in^2 I was rather impressed that 1/2 the area had ~1/4 the temperature rise! My guess is the welding rod is a more conductive Al alloy than the roof flashing is the big difference. Great to see some actual test results! A quick comment: Pure metals are much more conductive than alloys. Most hardware store structural aluminum is going to be some alloy -- not what you want as an electrical conductor! Look up the conductivity of the various aluminum alloys and you'll see what I mean. Get some PURE aluminum to test. If you have to get it at Home Depot, then buy some aluminum *wire* and spread out the strands to make a flat strip. There are also aluminum solders. They actually work pretty well. You could place a bunch of strands of aluminum wire next to each other to make a flat bar, wrap a thin piece of aluminum flashing around them to hold them in position, and then solder them together at the ends. Drill a hole in the ends of the bar, and you have a high conductivity (yet somewhat flexible) inter-cell jumper. -- If you would not be forgotten When your body's dead and rotten Then write of great deeds worth the reading Or do these great deeds, worth repeating. -- Ben Franklin, from Poor Richard's Almanac -- Lee Hart's EV projects are at http://www.sunrise-ev.com/LeesEVs.htm ___ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
