consultjdm
Posts: 5571
Joined: 8/26/2005
From: Canyon Country,
CA, USA
Status: offline
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this is how I break in a motor.
I run it for 1 minute and then check its temperture
then I run it for two minutes and check its temperture
when I get to a point that the motor gets hot to the touch (generally easy to tell, its beyond warm, more stingingish hot)
I rest it till it cools down and then fly it that long again minuse 30 seconds, lets say it was 2.5 minutes. I keep letting it cool down and fly for 2.5 minutes over and over untill it stops getting hot at 2.5 minutes and then start trying it at 3 minutes again and so on.
finally you get to the point that you can burn through the whole battery without the motor geting very hot.
a drop of oil can be helpful during break in on the gears and the motors shaft.
Once broken in like this they seem to last forever.
And it doesn't take as long as it seems to do this breakin. once it start to be able to handle say the 3 minutes in the example above it starts to be able to handle more time faster so you may get broken in at 3 minutes with 3 or 4 flights (at 2.5 minutes) and then it might stay cool for each of the next levels 3, 4, 5, 6, 7, 8, 9, 10 and so on.
the important point is to find where it starts to heat up and keep taking it to that point and not beyond till it is broken in.
sometimes you can smell it starting to heat up, stop and try going 30 seconds less.
Of course this all assumes the main gear and motor pinion are meshing properly. it should feel like a very light contact with the pinion, almost slipping. you should be able to spin the head and it goes around a few times I think. I may try to count, but someone else might kn ow. Of course you will say how hard are you spinning it, just a simple twist, turn your wrist back and spin it forward but not hard enough to make the blades un align from straight out. the blades should be tight enough in the grips so when you hold the heli sideways the blades stay sticking straight out and don't fall down.
I think that was more than 2 cents, LOL, but I hope it helps.
JD
PS, has anyone seen Chris M?
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