Setup for linkages,servos,control horns
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From: Troy,
MO
Hi; I would like to know the right geometry between servo, servo arm, linkage to control horn. What I mean is using the servo to its full potential by using high and low rates. I have a 10x JR radio. How to property use travel adj. and using Dual rate for high and low. Also the right geometry for which hole [servo arm] to control horn [which hole]? Should I set my travel adj. to about 135 and adjust linkages mech. for 3D rate and then adjust for low rate for regular flying by lowering the percetage down to get the proper throw on the control surfaces? I appreciate all help you can offer me. Thanks JIM
#2
Airo,
Sorry for not responding I have a Calc quiz tomorrow I have been studying for along with going to work. I appoligize.
When setting a servo up I set them up 1:1 what I mean by this is that if you have a 1 inch servo arm you measure 1 inch up from the hinge line and this will be your pivot point of the control horn. On my new 40% Quique Yak I will be using 1 1/2 inch arms so from the hinge line I will make my pivot point 1 1/2 inchs up. This is really all that I have ever used when it comes to setting up servo geometry. Try this and it should work good.
As you said in your post. I would adjust for 3d rates then tone them down for precision flying.
The only reason I am using these long arms is for the elevator when it gets down elevator with 1 inch arms the control horn standoff with hit the stab.
Andrew
Any more questions please feel free to post.
Sorry for not responding I have a Calc quiz tomorrow I have been studying for along with going to work. I appoligize.
When setting a servo up I set them up 1:1 what I mean by this is that if you have a 1 inch servo arm you measure 1 inch up from the hinge line and this will be your pivot point of the control horn. On my new 40% Quique Yak I will be using 1 1/2 inch arms so from the hinge line I will make my pivot point 1 1/2 inchs up. This is really all that I have ever used when it comes to setting up servo geometry. Try this and it should work good.
As you said in your post. I would adjust for 3d rates then tone them down for precision flying.
The only reason I am using these long arms is for the elevator when it gets down elevator with 1 inch arms the control horn standoff with hit the stab.
Andrew
Any more questions please feel free to post.




