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T-REX 500 › Align 500L Motor for 500 ESP is stiffening up​after flight. Normal?
03-22-2009 02:48 PM  8 years agoPost 1
Buznee

rrVeteran

Palm Beach Gardens,​FL

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I remember this happening to me once before with another motor. Is it normal for the motor to feel stiff after flight? It started happening after about 15 flights or so. After a few turns on the rotor it loosens up again. Does this mean it needs lubrication? It's not getting hot either. I just don't want a failure in flight.

And here's a picture for more interest =)

~Danny

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03-22-2009 03:35 PM  8 years agoPost 2
Russell Bear

rrApprentice

League City, Texas​USA

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I am adding a drop of oil every 10-15 flights, I'm sure this is overkill, but I have not noticed the motor getting tight after running.

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03-22-2009 03:44 PM  8 years agoPost 3
bah7566

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Colorado

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Sounds like it could be a bad bearing.

I am a Heli addict!!!

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03-22-2009 04:13 PM  8 years agoPost 4
kingair

rrKey Veteran

Utah - USA

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Totally normal. All that's happening is the capacitors in the ESC are draining. Once the caps are drained the motor feels normal. I suspect you started noticing it after 15 flights, not that it actually started after 15 flights. You don't even need to fly the thing to get the stiffness to happen. Just plug the esc in for a few seconds, unplug, then start turning the motor. You'll feel what you're talking about and it'll go away while you're turning as the caps drain.

There is a very fine line between "hobby" and "mental illness."

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03-22-2009 04:47 PM  8 years agoPost 5
Buznee

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Palm Beach Gardens,​FL

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That's a relief thank you!

~Danny

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T-REX 500 › Align 500L Motor for 500 ESP is stiffening up​after flight. Normal?
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