Cool! Another one begins.
Comments: definitely keep your eyes open for the lightest host vehicle you can find, given your low power design specs. See posts #9,10 in the ForkenSwift thread:
http://forum.ecomodder.com/showthrea...ht=crx#post215
I'm glad you're being realistic about the acceleration & top speed goals. Note that 40 mph may take half a mile to reach

(on flat ground)
Are the chargers "smart" in any way? (Auto shutoff at a minimum?) 6 amps is going to be pretty slow to recharge a typical golf cart battery. Have you done the math?