ORIGINAL: rjtw
Right, so the ESC and motor are actually seeing the peak 10S voltage, just for shorter durations. It seems that this should theoretically be OK as long as the ESC and motor are appropriately rated in terms of both voltage and current.
Tianci I'd run your plans past your motor/ESC manufacturers.</p>
More importantly, the motor and ESC are seeing the peak amperage, or current, of the setup.
We are finding that these Scorpion motors are well over-spec'd, so there is issue with what is 'appropriately rated'.
An analogy could be, for example, towing a trailer with your car. It's like your car is rated to tow 3000lbs. You fill the trailer to 5000lbs, but intermittently hit the gas to keep the engine from constantly working. The car is still seeing the 5000lbs, just for shorter durations. You might not get an overheated engine, but you still put the stresses on the drive train.
18x10 props are right in the recommended range for the Scorpion 4035-250, but the motor just can't handle it. 17x10 would be better, 18x8 might be OK.
18x12 seemed to run pretty cool in the 210 version. I got one from a friend here on RCU to use at the end of last season. It does make some funny noises (as it did when I got it) and between the previous owner and I, there still are not many flights on the motor. I'll apparently still have it as this season starts, since I'm still not hearing anything back about my warranty motor.
I'm considering this new version of X-era motor, maybe an Axi (lots of cutting [

]), and maybe a Neu Inrunner, and maybe still a Hacker A50 on 10S, or 8S.
Crap, back to square one!! [:'(][:@][&:]


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