Gear heads and gear jammers could end
up holding the shaft. So you’ve been bouncing your heli off the garage and untangled it from your wife’s hair.
Maybe you chased the neighborhood tomcat and caught him and now he a Bobcat. Now your heli’s motor is beat and sucks
the life out of that new battery or won’t even lift off.
Oh, that CP RTF comes with a nice brushless
motor w/esc, cool, gotta have it. Knock knock, who’s there? Heli deliveryman!
What do you mean I have to install the Brushless and ESC, it’s a RTF.
In any case doing a motor install and set up is simple, but has rules to follow. Pop the sweet new power in to the
frame and mate them gears up tight. Stop right there, you just might blow a fifty when you fire that new motor up and
tear the shaft off it.
I said it was simple but here what you need to know. Pop, the new motor in, slightly tighten the screws. Now, hand
spin the main drive gear and find the high spot.
Do this all the way around, if you wish mark the high start
point and end point. Now loosen up the motor and slip a plain old piece of paper between the main drive gear and the motor
pinion gear. Slide the motor back into the main gears high spot and hold it snug, but not binding. Roll, the two gears back
and forth of couple of times and tighten down the motor. Roll the gear off the high spot and slip the paper out. Spin the
gears all the way around again, checking for tight or binding spots. If alls well, do a final tightening of the motor, recheck
and you should be good to go!
So, doubting Thomas is in the house and plastic gears will no way break a steel shaft. Maybe you’re from the
show me state, Mississippi, well, here you go. I got the pic’s and the bills to prove it. Below are two motors, one
with a beat up brushing which still runs and a 3750kv brushless motor with low hours, I’ll sell you cheap, only about
10sec. on motor. If there’s a screw up out there, I’ve made it, but only once!
Written by CaptKDS