Hey, Paul,
Aerodynamics is important. I guess you never heard of Dave Clouds Dolphin or
the project Lee Hart & Jerry Dycus have been doing for a decade. There is no
reason to make cars from steel other than economy of build. There is no reason
not to be aerodynamic except for styling. It's proven that a sparse but
comfortable vehicle will perform much better than a Tesla in efficiency. Of
course not in performance. That being said I'd love to have a Tesla. But that
being said if I had a Tesla I'd use much more energy than I'd need to go 400
miles. In a properly designed vehicle 15kw would get you 400 miles. In a
porky Tesla 85kw ...lets be generous...300 miles. So almost 6 times the energy
to go 3/4trs the distance. Seems to me light and aero is the way to go. Don't
forget it's even more efficient when driving during daylight hours as the solar
panel can extend the range even further than 400 miles. The record set by
Stella Lux is 932 miles on one charge (over two days)with assistance from the
solar panel. There is belief and then there is the math. Just do the math all
you car designers. Lawrence Rhodes
From: paul dove <dov...@bellsouth.net>
To: Lawrence Rhodes <primobass...@sbcglobal.net>; Electric Vehicle Discussion
List <ev@lists.evdl.org>
Sent: Wednesday, September 14, 2016 3:50 AM
Subject: Re: [EVDL] EVLN: Na Researchers reveal 650mi on single-charge Tesla
'superbatteries'
Hey Lawrence,
Yeah I don't believe that is true. Their may be some game by reducing weight I
don't think aerodynamics is going to play into it unless it's a sports car.
Most people purchase a car
For other reasons then economy. Comfort, utility, whatever fits their
lifestyle. Weight is the greatest factor in the range of your vehicle. I have
two electric vehicles and they both follow the rule of thumb weight/10 = watts
per mile. This changes based on how you drive but that's the average again. I
believe battery technology will continue to improve for another 10 years. I
think the bigger problem is the charging infrastructure. The cars are good
enough now and the batteries are good enough now there's just a shortage of
places to charge. They shouldn't start charging stations at every gas station
preferably fast chargers.they need to quit giving away free energy and start
charging for the electricity so that the stations are reliable and maintained
by someone making a profit. Then there would be no obstacle as to where you
could drive your car and that's coming I'm sure of that.
Sent from my iPhone
> On Sep 12, 2016, at 10:10 PM, Lawrence Rhodes via EV <ev@lists.evdl.org>
> wrote:
>
> Clearly the next frontier in electric automobile design is not the battery
> but the efficiency of the vehicle. If it is lighter and more aerodynamic
> this will allow the use of smaller packs and longer range. With smaller
> packs the charging time is reduced taking away the #1 problem with electric
> cars. The charging time. Currently Solar Cars from the Tesla Crusier Class
> at the World Solar challenge with out solar assistance have a 400 mile range
> on 15kw of batteries. Of course the vehicles weigh under 1000 pounds have
> seating for four and the tires are very narrow. I've been in Stella. It is
> comfortable and practical. The next electric vehicle I build will be light
> and efficient. Lawrence Rhodes.....
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