Can nylon clevises be used on a 3d plane - RCCanada - Canada Radio Controlled Hobby Forum
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Old 09-13-2010, 10:40 PM   #1
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Can nylon clevises be used on a 3d plane

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I have just finished building a Kangke Fun 50, and my friend noticed that there is a considerable amount of play in one of the aileron linkages, where the clevis attaches to the control horn. I have quite a few of the nylon clevises that snap closed, and wonder if I can use that on the aileron, or if it won't be strong enough to handle the load from the aileron. The plane has a 60" wingspan, and the aileron is quite large... 3D sized.

Looking for advice on this.

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Old 09-14-2010, 07:44 AM   #2
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Re: Can nylon clevises be used on a 3d plane

I would not use nylon clevises in this application.
you want nice tight linkages - I'd use ball joints

Case in point - a fellow here was using the nylon keeper types that link over an L bend on a 60 size U-Can-Do - one side failed with nasty results
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Old 09-15-2010, 09:48 AM   #3
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Re: Can nylon clevises be used on a 3d plane

I agree with CraigK- for a large 3Dplane, you are better off with ball links.

Dont use the small nylon ball links, instead us the Dubro 4-40

Put one ball/arm end on your servo arm and the other on your control horn and you are good to go The only downside is you need a threaded rod on both ends. YOu can buy various lengths of threaded rod from your LHS. I have a 4-40 tapping die that I use to thread my own rods.
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