[subcooledheatpump]

You mean if I had to change something what would it be? and would that be in refrence to the controller or the whole project?

About the van in general; I'm in the process right now of getting a bigger motor, since the van I have is extra heavy (almost 8000 lbs?) that should give me better acceleration. also more batteries

The controller; I need a controller with torque mode+vector mode. The one I have now only does speed control with sensorless vector. Speed control works to a certain degree. I can't however, step on the hydraulic brake, then start back on the accelerator with the van still rolling. That creates a synchronization problem since the motor must coast during hydraulic braking to avoid a conflict of the motor fighting the hydraulic brakes. Regenerative Braking serves to elminate most of those problems though. Just letting off the accelerator and letting Regenerative Braking stop the van seems to be adequate for normal driving situations.

So I should have converted a controller with torque mode and vector mode so I can use Regenerative Braking to assist the hydralic brakes. Then resume acceleration even if the van is still moving.


Side note: those astro fuel pumps are a pain. My dad had one he used in a business. The thing went through 6 fuel pumps before he realized what I told him was correct; the stock wiring harness to the fuel pump causes problems and has to be cut.

You're converting it though so it's not an issue.
I also played with an old astro once, put an electric motor in it. It worked pretty well but it was in bad shape so I scrapped it.