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LateStarter
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Re: A Question About Rubber Motors
Reply #2 - Oct 18th, 2018 at 5:12am
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I did not stretch wind it.  Does that help?  So, it sounds like if these rubber motors grow over time, itís 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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Sky9pilot
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Re: A Question About Rubber Motors
Reply #1 - Oct 17th, 2018 at 3:36pm
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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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A Question About Rubber Motors
Oct 16th, 2018 at 10:11pm
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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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