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Old 02-12-10 | 05:33 AM
  #2  
morph999
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Joined: Jan 2009
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No. I don't think so. If you pull up the motor, it will show you on the side which controllers go with it. It makes it real easy.

Also, if get a controller that does 40 amps, well, you are limiting what kind of Lifepo4 battery you can get. I'd find a controller that outputs max 30 amps if I were you, that way you can get almost any lifepo4 that you want later. Because you'll eventually want lithium battery for it.

Most of the 30 amp controllers are in the 36v motor style. There is one 48v 30 amp controller and that uses a 750w motor. Actually, since this is chain driven, 36v might be enough to go pretty fast.

Also, if you do get a 40 amp controller, you can get a cycle analyst to limit the max amps so there is always an option if you do get a controller that uses a lot of amps but that's an extra $150 for the cycle analyst.

The one you have picked out has 3 optional controllers....two of them are
36v YK42-3 Yi-Yun Brand Controller
and
36v Model YK40-3 Yi-Yun

Why not just make it easy on yourself and get a hub motor? They are so much easier to put together?
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