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ORIGINAL: goirish
i think one ote]ORIGINAL: DustBen
thing you should try to achieve is to have the control horns and the servo control arm the same distance . For ex., 3'' servo control arm=3'' on the control arms. That way every thing moves as one unit. If MinnFlyer is around he will post a picture of what I am talking about.
Nope.
The spread of the servo arm can be 1 foot, and the spread at the rudder horn can be an inch. The only critical aspect in setting up a pull pull setup is that the attachment points at the horn be colinear with the hingeline and the attachment points at the servo be colinear with the pivot point of the servo..
If the relationships are maintained properly, only the slightest amount of tension on each cable is required.
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SEE BOLD ABOVE Sorry but this is not the case. It is basic geometry. Aim to keep the servo arm lengths and control horn lengths the same + - 10%