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A Question About Rubber Motors (Read 87 times)
Reply #2 - Oct 18th, 2018 at 6:12am

LateStarter   Offline

Tryon, NC

Posts: 3
 
I did not stretch wind it.  Does that help?  So, it sounds like if these rubber motors grow over time, it’s normal.  It just seems weird that after a few uses and a month of setting on a shelf, that their physical properties would change so much.  How often do I replace the motor?  Weekly?  Monthly?
 
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Reply #1 - Oct 17th, 2018 at 4:36pm

Sky9pilot   Offline
Administrator
Stick & Tissue
Kelso, WA 98626 USA

Posts: 10016
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I'm assuming your stretch wound the motor for your few flights.  This means that the rubber would now be longer that originally measured as the rubber relaxes after a stretch wind.   This is not unusual.  Hey fellas any other thoughts?
 

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Oct 16th, 2018 at 11:11pm

LateStarter   Offline

Tryon, NC

Posts: 3
 
I'm sort of new to this hobby, and I'm puzzled over one phenomenon regarding rubber motors.  I recently completed a Stinson Reliant peanut model from Easy Built.  I few it a few times, and left it on a shelf for a few weeks.  I noticed that the rubber motor had grown considerably.  I had lubed it with ArmorAll.  I had something similar happen to previous models.
Is this normal?  What should I do about it?
 
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