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Old Feb 14, 2012, 07:00 PM
polar8 is offline
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Discussion

I've got this plane, and this motor, what motor mount do I need?


I'm looking to get this plane flying again to teach my little brother how to fly. Don't want to bother with gas and I have a perfect motor lying around- this one. http://www.hobbyking.com/hobbyking/s...idProduct=4907

So, here are some pictures of the motor mount on the plane, and the motor I have. Are there any off-the-shelf motor mounts I could buy to make this fit?

Thanks!





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Old Feb 14, 2012, 07:37 PM
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You could just make the correct size standoffs or there is this-
http://www3.towerhobbies.com/cgi-bin...ount&search=Go

Harry
Old Feb 14, 2012, 07:41 PM
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By standoffs, do you mean just get some long bolts and some spacers for them? Would that be stable enough?
Old Feb 14, 2012, 07:53 PM
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Yes, here is one I did. It is a common way to install a motor and very stable. I think I used 3/8" aluminum rod with this one.

Harry
Old Feb 14, 2012, 08:06 PM
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Quote:
Originally Posted by Harry H View Post
Yes, here is one I did. It is a common way to install a motor and very stable. I think I used 3/8" aluminum rod with this one.

Harry
Nice! It looks like you have the standoofs drafted inward, to avoid drilling new holes- is that holding up well?
Old Feb 14, 2012, 08:20 PM
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Thanks, I think you are seeing distortion from the camera lens though. The standoffs are perfectly straight. The holes did not line up and had to drill new holes and use blind nuts. Really easy. Rock solid.

Harry
Old Feb 15, 2012, 12:40 PM
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DX5e fatal flaw- PM me!!!!
An alternative is to use an intermediate plate.





Dave
Old Feb 15, 2012, 12:54 PM
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I think the way Dave did it would be better in your case. Very slick! Many people use nylon standoffs you can find easily at your hardware store but usually are only about an inch long.

Harry
Old Feb 15, 2012, 01:57 PM
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DX5e fatal flaw- PM me!!!!
Every piece of HW there was dumpster scrounged from one of my jobs over the years, except for the longest screws- those I just had lying around.

If anyone needs to source hardware and aluminum plate and all kinds of crazy stuff, mcmaster-carr is nothing less than awesome.

Dave
Old Feb 20, 2012, 07:13 PM
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Here's a page from Heads up r/c with nylon standoffs and mounting bolts.
http://www.headsuprc.com/servlet/the...ffs/Categories

And here's another page from their catalog showing a large motor and how it's mounted in an RV-8.
Scroll down 1/2 the page.
http://www.headsuprc.com/servlet/the...lectric/Detail

Their shipping is $2 !!


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