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Time = money indeed.So if such electrical car would have a bicycle-like (but better of course) dynamo on it's wheels, the extra resistance/friction of this dynamo would make the car consume more 'extra' electricity than it generates from the dynamo?
Perpetual motion and totally free energy are nice ideas but not possible.
Quote from: sophiecentaur on 25/08/2009 11:54:48Perpetual motion and totally free energy are nice ideas but not possible.Indeed, it would be impossible to create energy from nothing, but maybe on earth we can take advantage of some omnipresent phenomenon to create a kind of perpetual motion using for example sunrays, the earth's magnetic field, geothermal energy, ...
New battery Tech out in a few years, promising 10x's the energy density and fast recharge times, like 5mins to a 80% charge,
Might be better off, driving a electric motor at home to pressurise a air canister, which would also open up petrol stations being able to re pressurise your tank in a reasonible period of time.
coquina.rocksThe quick-change (slide across) replacement is a good idea but why do they need to be cylindrical? Cuboids are the most efficient use of space in, essentially, box-shaped vehicles and could just as easily be slid in and out.
I think I've identified the problem![diagram=503_0]
Teleportation would be great, off to visit a mate 5000 miles away, back in 10mins, Zap!!!On holiday, get a call out zap to the client fix the issue and zap back to 5000miles away / the moon
QuoteNew battery Tech out in a few years, promising 10x's the energy density and fast recharge times, like 5mins to a 80% charge,<snip>Let's believe it when an electric car takes you at the traffic lights and then beats you to London and back.
The Tesla is a joke ... Rich kids toy.
The electric motor may be a far better device for moving vehicles but it aint no good without a continuous supply of electricity. I worked out that the Tesla would run flat out on a track for 20 minutes. Then it takes hours to recharge. Imagine a battery powered train. Half the weight and half of the length of the train would be batteries.
I worked out that the Tesla would run flat out on a track for 20 minutes.
O.K. so we stop wasting time on developing battery powered cars. When the petrol does run out (or we admit the stupidity of continuing to burn it), what do we do? When we finally have to commit the I.C. engine to history, what do we use in its place?
Re the proposal for fuel cell cars as the only viable non-hybrid technology, I thought that the production of hydrogen for (fuel cells) requires so much energy that it is almost more efficient to burn fossil fuel directly in an I.C. engine. The most efficient way of powering a motor vehicle seems to be by a battery...
anyone have any fresh ideas that might advance the electric car concept?
Quote from: baker1 on 15/12/2008 02:47:57anyone have any fresh ideas that might advance the electric car concept? I saw someone was asking about new ideas for electric cars.Hit a TOTAL stonewall with government with this one; you wouldn't believe how ignored I've been AND I was gifting the idea, I didn't want money.Anyway, here's the URL to a youtube film about it. Maybe someone will see it...http://www.youtube.com/watch?v=6gBcj1vEpSE
I understand however that producing hydrogen uses five the power required to charge a battery.
Lest we forget, we still don't fully understand the lightning bolt.
Is it possible to get the car moving with battery power then serial loop the alternator/generator to the drive motors then you could drive unlimited ?
Quote from: Pumblechook on 31/08/2009 19:13:40I worked out that the Tesla would run flat out on a track for 20 minutes.I think the top speed is more than 120mph, so in 20 minutes it should cover about 40 miles. This is well within the distance of the great majority of commute journeys. However, we don’t normally commute at 120 mph! What we need calculating is the time the battery will last for at somewhat lower speeds, maybe 60 mph, 30 mph, and perhaps the average car urban speed of, is it 20 mph, or is that a bit optimistic?
in 20 minutes it would cover 400 miles not 40 mile
Maffsolo, check your math. 60 miles per hour is 1 mile per minute. I use this fact to check my speedometer against mile markers. Steve