strange, but I thought id replied to this question already, have I drunk too much tonight ?
ok, here is a few thoughts, my own thoughts though
12 FET controller is plenty for pie, ( 48V @ 60A = 2880 watts, this may fry poor pie), 18 or 24 is too much
indeed, I received a minimonster controller from lyen recently for my minimotor, even this little 6 fet monster puts out a staggering 1400 Watts, but 12 fet give you plentyyy
On my 12 fet, I run constant 750 watts with peaks of 2700 watts, no modification to pie, altough strong TORQUE arms are needed, ( and rear motor only, not front)
Now I understand that the Kelly controllers are very similar, as are the controllers from both ecrazyman and "methods" ( endless-sphere) and also ebikes.ca...similar boards, similar high end mosfets multiple shunts etc.....
Kelly controllers and ebikes.ca controllers come very highly rated, as is lyen's however as edward lyen is an individual not a company, he builds your controller to spec, with special "customisation" if required, send with very very cheap postage and sends as a "gift" ( it is a gift, mannah, whence you put on pie after GM controller ), so the overall cost for me was much cheaper from Edward lyen...his customer service and communication was excellent ( so was ebikes.ca who I have also dealt with, but I pay customs charges etc)
I cannot tell you from my own experience which is better, but I can tell you a 12 fet controller from lyen is more than man enough for a pie....i have tuned mine down to 25A, as every time I hit a hole in road on 40 amps, my front wheel wants to lift because my thumb bounces on the throttle..) he also uses proper IRB4110 mosfets, rated 100V and the controller at 48V settings can handle up to 84V
Which is better, I don't know....where do I shop for now and future....lyen@hotmail.com
( got other bits too, voltage out PAS, honeywell ss41 hall sensors, ebrakes, a controller for each season....etc etc)
