What a 'rags to riches' build. I love it!
I hesitate to question someone with skills I can only aspire to, but reflecting LowTech's concerns about weight distribution, I assume when you say the two fuel tanks on one side will be balanced out by the genny and batteries on the other, you're talking about the weight of the tanks when full, right?
Wouldn't it be better to put one tank and the genny one one side, and the other tank and batteries on the other side, so the weight could be better distributed along the range, from full tanks to empty tanks?
What am I overlooking?
Thanks,