Of course the spec sheets will work fine (thats what we use...

). But it is a cool problem. And it would make a great school project for someone who wants to solve it with the materials on hand.
I hope the engineers talking about how hard it is don't scare away some student(s) from taking this on. I would lobby for the best solution (one that works and can be easily replicated by others) to be asked to give a presentation at the Championship FRC Conference next April. And then I'll make sure our hybrid drive people know who you are so they can get you in for a job interview. So now, not only do you have a cool problem to solve, but you have a little incentive...

.
Ken