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  #1  
Old 08-27-2020, 10:28 AM
Gyrodoug Gyrodoug is offline
 
Join Date: Feb 2019
Location: Beavercreek, OH
Posts: 71
Default TruTrak roll servo OVER-CENTER

I recently installed a TT roll servo per Dynon install instructions:
https://www.dynonavionics.com/includ...ions_Rev_F.pdf

Page 7 shows my install.


What befuddles me is that the servo control arm darn-near travels 180 degrees, causing over-centering. If it over-centers to the left, I make small push rod adjustments to fix it but then it will over-center to the right!

What am I missing!!!??? I was particular in following the above instructions - or so I think....

Thank you!
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  #2  
Old 08-27-2020, 10:59 AM
lr172 lr172 is offline
 
Join Date: Oct 2013
Location: Schaumburg, IL
Posts: 5,277
Default

Quote:
Originally Posted by Gyrodoug View Post
I recently installed a TT roll servo per Dynon install instructions:
https://www.dynonavionics.com/includ...ions_Rev_F.pdf

Page 7 shows my install.


What befuddles me is that the servo control arm darn-near travels 180 degrees, causing over-centering. If it over-centers to the left, I make small push rod adjustments to fix it but then it will over-center to the right!

What am I missing!!!??? I was particular in following the above instructions - or so I think....

Thank you!
First, you used a Dynon manual for installing a different manufacturers servo; Generally best to use the manual that matches the product. Move the heim joint to a hole closer to the pivot on the servo arm. That will reduce the arm travel
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Last edited by lr172 : 08-27-2020 at 11:02 AM.
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