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A BIG THANK YOU TO THE ALOFT FORUM!

Konrad

Very Strong User
While I’ve been building toy airplanes since 1968. I have to admit I’m a bit surprised at just how much stuff I’ve learned in the last year or so from the Aloft forum membership. I’m proof you can teach an old dog new tricks!

First, I want to thank Jonathan Wells for the 90° bent threaded push rod. This was key to getting a $1300 Redshift to work.
Second, I really want to thank Mo for his gang cantilevered servo mount. I was so dogmatic as to not using using cantilevered mounts that I’d never have come up with such an elegant solution to the servo in the Gremlin tail.
Thirdly, Jeremy (Diceman) for telling me about the use of thin CA as a clevis thread lock, simple and effective, particularly so in tight places. Historically I’ve used jam nuts but on the rudder push rod shown, here CA was perfect.
And last Doc, Hammond for showing me how to make epoxy surface wipers. This process really does make the repair of failed wipers an easy process.

Gentlemen thank you!

All the best,
Konrad

P.S.
Any briliant solutions to the laterally moving elevator push rod?

Gremlin elevator push rod.jpg
 
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Use a linear servo. There are DIY linear options that can be 3D printed on Thingiverse - but they are a bit bulks. A dedicated linear servo is more compact - but not common.
 
A linear actuator would allow the removal of the spherical joints. Changing these to bearing journals that only allow the rotation along one axis would control the push rod's lateral motion. But as you noted it isn't practical back here. I'm thinking of adding some aluminum tubes on ether side of the spherical joint to hold it captive between the elevator halves.
 
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Konrad,
I want to echo your sentiment as well. Likewise I have received a great deal of help from this forum and more specifically from you. Thank you.
Matt
 
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