Hollow Motor Sticks

yummypie
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Hollow Motor Sticks

Postby yummypie » Fri Apr 05, 2013 6:34 pm

Has anyone tried to do this? What have been your experiences? Is there any information that would help? Thanks.

retired1
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Re: Hollow Motor Sticks

Postby retired1 » Fri Apr 05, 2013 7:07 pm

This is a bit common in free flight airplanes. There are several sites that tell you how to roll one. My luck has not been as good as using light weight balsa with a kevlar truss to withstand heavy rubber and winds.

hogger
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Re: Hollow Motor Sticks

Postby hogger » Fri Apr 05, 2013 8:12 pm

I am assuming you are doing kevlar truss of the Freedom Flight kit? What actually failed when you do that? I did not even add the kevlar support because I found a very light balsa motor stick that can withstand the regular rubber full winding. The balsa piece I found for motor stick was 3/16 x 3/8 x 12 inches and it weighs about .7 grams. We got down to about 3.1 grams with that motor stick.

I guess you are having a hard time getting down the 3 grams?

yummypie
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Re: Hollow Motor Sticks

Postby yummypie » Mon Apr 08, 2013 6:27 pm

What would be a good diameter for the motor stick?

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Re: Hollow Motor Sticks

Postby yummypie » Mon Apr 29, 2013 6:23 pm

I tried it and I didn't succeed


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