krispyLlama! I love the idea of liquid cooling. I'll put together a parts list for the 72v 40amp bike controller. I never actually put one in a box with a heatsink and drove around. I only ran the bike in the garage, but it worked really well.
I've been working on the power section of the car's controller. Here are a few pictures:
Just a quick partial assembly. B+ and B- bus bars drilled and attached.
Here's a front view. There is a single capacitor temporarily attached. There will be a total of 24.
A view of the capacitor board side.
Another picture, for no particular reason.
I think I'll finish the power board and then break the control board circuit into pieces and test each part.