Espritmodel.com Telemetry Radio
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Old Aug 20, 2014, 12:54 PM
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FloBau's Avatar
Germany, BW, Weinheim
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I use the Graupner DES 678 servos.

With twitching I mean that the ailerons go slightly up and down, because they are trying to correct their neutral position.
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Old Aug 20, 2014, 04:28 PM
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7oneWo1f's Avatar
United States, MN, Minneapolis
Joined Nov 2011
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Digital servos will sometimes jitter. Have you tried holding the control surface gently with your fingers? If it stops when you do this, try the Velcro trick.
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Old Aug 21, 2014, 03:20 AM
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SLK Count's Avatar
Hamburg, Germany
Joined Feb 2010
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I adjusted the ailerton throws yesterday.
Btw....my Dx8 has the servo rate ootion 22ms or 11ms....11ms needs Digital servos.
My sav÷x are digital....would you recommend to switch to 11ms ?
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Old Aug 21, 2014, 04:39 AM
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7oneWo1f's Avatar
United States, MN, Minneapolis
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In general I do, but on this plane, you might want to ask AndyKunz who posts here. Tell him how you're doing your ailerons (1 aileron per channel? 2 ailerons per channel, etc.)

Maybe on this thread: http://www.rcgroups.com/forums/showt...1364&page=1624
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Old Aug 21, 2014, 08:09 AM
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FloBau's Avatar
Germany, BW, Weinheim
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Quote:
Originally Posted by 7oneWo1f View Post
Digital servos will sometimes jitter. Have you tried holding the control surface gently with your fingers? If it stops when you do this, try the Velcro trick.
What would be the velcro trick?
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Old Aug 21, 2014, 09:08 AM
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Canada, ON, London
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Originally Posted by FloBau View Post
What would be the velcro trick?
Stick some of the loop (soft/fuzzy) side of the velcro in the gap/interface between the trailing inner edge of the aileron and the fixed part of the wing. The rubbing will help center the servo like holding the surface with your hand.

J
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Old Aug 21, 2014, 04:49 PM
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mhendrix's Avatar
United States, FL, Tallahassee
Joined Jun 2013
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Quote:
Originally Posted by uberjay View Post
Stick some of the loop (soft/fuzzy) side of the velcro in the gap/interface between the trailing inner edge of the aileron and the fixed part of the wing. The rubbing will help center the servo like holding the surface with your hand.

J
Neat
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Old Aug 21, 2014, 05:17 PM
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Neat
Yeah... unless you do it like I did on my little Yak 54 and stick it on the side of fuse - I could never get it off without pulling the covering off ;-). But it did fix the jitters!

Cheers,
J
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Old Yesterday, 04:15 PM
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FloBau's Avatar
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Can you post a photo?
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Old Yesterday, 05:45 PM
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Quote:
Originally Posted by FloBau View Post
Can you post a photo?
If you mean of the velcro thing - I no longer have the plane.

Check out this diagram though and let me know if it helps to explain things a bit:



Thanks,
J.
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Old Yesterday, 05:50 PM
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United States, FL, Orlando
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LOL, ingenious.
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Old Yesterday, 06:00 PM
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Originally Posted by Lopflyers View Post
LOL, ingenious.
... cheap too - especially when talking about servo replacements.
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