Seth, I am starting with a list of possible lightweight platforms and a performance spec and trying to figure out what's most practical. So everything is a variable. For instance, I was pondering total weight this morning, trying to see if an 600-800 lb vehicle is possible at low cost. I thought it might be, but once I total up the chassis, batteries, motor, controller and two people, then add an optional generator, a back-of-napkin total looks more like 1200-1400 lbs. Ideally, as a motorcycle guy, I'd like to solve cost, performance, and green issues by going for light weight. But as an ex club racer I am intimately familiar with the cost of reducing weight, so that approach is limited by what platforms are available on the market.

anyway thats why I am asking dumb questions, because I am trying to learn how to think about volts&amps instead of hp and tires. and I just realized going for 120V is dumb, the charger takes care of input from mains vs charging voltage. duh. but I had to figure it out for myself. So what if the optional hybrid generator makes 120V? it still has to go through the charger to get proper battery management....

and yeah I'll look at the NiMH packs too. Do they have characteristics that need to be handled like the discharge level of lead-acid or the memory of Nicads?

all corrections and suggestions welcome
TIA
JF

Seth Allen wrote:
What sort of current draw? D, F and M cell NiMH packs could be an answer.

Seth



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