I finally got the key piece to making my motor coupling. It's a 7/8 inch hub that has the all important keyway and a taper so I can crimp it to the motor shaft. I now have all the materials I need to have a machine shop build this. I am going to finish up my own AutoCad designs so they can have a baseline on how I want it done. It should also save money since I did the designing.
5 comments:
Does your auto transmission use a governor or an electroinc sensor?
Mine is a hydraulic box so I need to modify the governor to allow the box to shift when the electric motor is ready, not when the ICE would have been ready... Just wondering if you've come across this issue.
Cheers,
Justin
Its an electronic transmission, but I don't think it needs to be modified at all. I am curious to see how the transmission will shift since the sensors will be giving the computer different readings from the torque values and speed sensors.
What are you using for parts for your conversion? I had to build my own controller because the ones out there wouldn't allow me to idle the motor.
Sounds good. I'm still researching the governor issue and planning to talk to the local auto transmission mechanic to see what he thinks.
I'm planning to use the Kelly Controls KDH14500 72-144V 500A Series DC Controller as I'm going to use 120 or 144 volts (depending on the batteries and funds). My commute has some hillls and traffic lights so regen will definitely come in handy...
I've emailed Zeva to ask them if the Kelly 14500 will allow idle - thanks for the tip!!
What motor are you using? It was my understanding that regen was only possible with PM motors, and not with series wound. At least not as easily.
How would you get regen with an automatic? Since it must idle, the motor is always taking power from the pack, and once you remove the power, the transmission disengages and you are stuck in neutral and the ability to regen is lost.
I never considered regen because of that, but if you have found a way, that would be excellent.
I'm planning to use a WarP9 motor. I never thought about it that way - I was just going to copy whatever GM did with the EV1. You've certainly given me food for thought...
I was intending to get the EV operational and hook up/program the regen at a later stage anyway.
One option would be to use the 12v charging system off the other shaft (which I'm going to use to run the alternator and brakes vacuum pump) to trickle charge the batteries. It sure won't be a Prius, but it might give me the 10% extra range I need.
I agree - if I can solve it - maybe with a tiny clutch in between the TC and the motor connected to the drive shaft to siphon off the motion energy? Plenty of tinkering for the future...
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