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-   -   Pull-Pull Bellcrank (https://www.rcuniverse.com/forum/tips-techniques-180/2044533-pull-pull-bellcrank.html)

jucava 08-01-2004 07:57 PM
Pull-Pull Bellcrank
 
How do you guys make a Pull-Pull Bellcrank(for the rudder in my case), do you connect the servo arm to a small rod and to a long servo arm with bolt and a lock nut, or buy it from someone?

PLANE JIM 08-01-2004 09:53 PM
RE: Pull-Pull Bellcrank
 
Nelson products makes several with ball bearing smoothness-that is what I have been using

LSP972 08-02-2004 07:40 AM
RE: Pull-Pull Bellcrank
 
I made the one on my Ultimate from a Dubro heavy duty servo horn and two mixing arm bearings from a model helicopter. I have used the Nelson offerings, and they were excellent. I just had to wait three weeks to get the one I wanted.

If you're doing a big model, I would spend the bucks and get a Nelson. If you're dealing with a 120 or so size model, making one out of available material is fun and educational.

If you're interested, I can post a photo of my homemade one when I get home this evening.

jucava 08-02-2004 08:07 AM
RE: Pull-Pull Bellcrank
 
Please do so


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