I've changed my mind about such projects as John Waylands Insight & Otmars
stretch. I've been heavily influenced by the World Solar Challenge and The
Tesla Cruiser Class specifically. Efficiency is key. Why carry around all
that weight when a sub 1000 pound 4 passenger vehicle with 400 to 700 mile
range can be engineered. A 15 kw pack and 1.5kw solar array will take you very
far and if you don't go much more than 200 miles a day no need to plug
in...unless you want to give back to the grid. You will also get 1hour charging
time with a 14.4 charger which is the upper limit of level 2 charging. So the
key is Monocoque construction so using old steel cars is maybe not efficient
enough. A project that both John Wayland and Otmar might be interested in is
finding an old Ultravan. This is a 22 foot motor home that weighed 3000 pounds
dry. These were produced in the 60's and 70's by aircraft engineers. So at
3000 pounds this is less than the weight of a Nissan Leaf...These can be found
for far less than a Tesla. So you could have a roomy vehicle arguably more
roomy than Otmar's stretch Tesla/Vanogon idea and far less costly as a wrecked
Leaf is almost zero in cost. So you could put together a 60-100 mile range
motor home with a 3.5kw solar array that would charge fully in 10 hours and up
to 95% in 45 minutes. Yes not as convenient as the Tesla but I bet Otmar could
use the 3.3kw charger from a 2012 Leaf to use with the solar array and go to
his charger friends for some extremely fast charging solutions. But with the
Chademo why bother. I hope I've given John and Otmar some ideas and EVeryone
else. Efficiency. Not brute battery weight.
http://sinovoltaics.com/technology/stella-lux-winner-of-world-solar-challenge-visits-shanghai/
http://www.corvair.org/chapters/ultravan/used.html the 1500 dollar gutted
Ultravan looks promising.
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