I've looked at that kit in the past. In all honesty, I just dont see how it is suitable for a full size car, especially when hills are concerned. It may work, but it'd be a slug.Hello! I am considering converting my 2002 Golf to electric. For my daily commute, I need a range of at least 60 miles and a top speed of at least 75 mph, although I would prefer a range closer to 90-100 miles if I can make it work with my budget, which should probably max out around $13000. For the motor/controller setup, I am hoping to use this kit (144V, 250A AC motor ME1616). I have been assured by the seller that it will work for my project, but if anyone has any feedback about that, I'd love to hear it. My real questions, though, are these:
The car has an automatic transmission, so I'll probably have to take it out. Does anybody know if there'd be a reasonable way to replace it with a EV gear reducer (e.g. from a Nissan Leaf)?
For the batteries, am trying to decide between Tesla Model S 18650 and Nissan Leaf G1 or G2. Which would you people recommend, and what would I need to get to accompany them? The Leaf modules are cheaper, but I don't really know what the lifetimes are or what hardware might be required to charge and control each type.
I also live in Colorado (high altitude, low humidity, lots of hills, temperature range approx. -5 to 100 degrees Fahrenheit) if that affects anybody's responses.
You will still need some kind of transmission to get useful performance out of that motor. Perhaps a manual transmission swap is in order? That would be many times cheaper than the purpose built EV transmissions, and a CanEV adapter plate and hub may fit, making it pretty easy.
You'll want to work out some sort of cooling for the Leaf batteries, but I believe the Tesla batteries are liquid cooled. Cold days here (I'm also in CO) can really hammer your range. You may need to warm the batteries up in cold weather to keep your range up. An inline fluid heater might be nice for the Tesla batteries. I've considered silicone heating pads for warming my batteries, but I've had trouble finding them suitably rated. That would probably be easier for you at 144v. You should also include a BMS and a suitably powerful charger. J1772 support makes charging around town easier, which can help with range issues.
Dont forget a cabin heater or some other form of statung warm! I've heard people recommend heated seats and a heated steering wheel cover as reasonably comfortable and more efficient than fully heating the cabin.
First things first, I'd consider a more powerful motor kit. I just dont think that one will make for a good build.
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