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Ola
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03.11.2011, 08:33 AM

Ok, since i didnt have higher gear`s to test right now, i had to test something else..

So i charged a set of 3s batteries to try and run 6s.
Hooked up hotwire, and reduced current limiter to 75% (perhaps i should try even lower?)
Timing is set at 0dg as last on 5s, and throttle curve 2.

After a hard 10-15min drive, allthough less full throttle since the car is ballistic on 6s :D, the temps where lower on 6s than on 5s.. I measured the motor to 150f and rx8 to 113.
The same gearing, making top speed 53mph on 6s.

Is 0dg timing the best to avvoid heat, or is it more effective on 5-8dg?


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Ola
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03.11.2011, 03:22 PM

Naah, forget my last post.. After a full pack of 6s of hard bashing tonight, the motor was reading 190f.

So i`m back at 5s, or even 4s

I think the 1717 will get busy real soon.


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_paralyzed_
working on a brushless for my wheelchair.....
 
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03.11.2011, 04:50 PM

are you sure you have a "truggy" tekin motor and not a "buggy" motor? I'm not familiar with the kv's to know the difference.

going to 6s should lower temps, when you up the voltage you should lower the gearing to keep the same top speed(load), that's how you get the lower temps.

Does the truck roll freely? Are you sure there is no binding?

You definitely need to play with gearing to find the sweet spot. Start by making the top speed faster, so you can't run wide open so much. You wills always heat up with prolonged full throttle passes. Watch temps closely, check often.


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