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  #11  
Old 01-11-2018, 08:31 AM
rocketman1988 rocketman1988 is offline
 
Join Date: Jun 2010
Location: Sunman, IN
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Default YD

Don't know if you are going Garmin but they reference this topic in the manual.

As you stated, the YD can contribute, but is not meant to be a trim tab...
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  #12  
Old 01-11-2018, 08:44 AM
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Plummit Plummit is offline
 
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My -10 has an electric trim tab and I have to adjust it several times on any given flight depending on the speed. So in climb, with 25 squared, I'll have it trimmed differently than in cruise, and that will be different that approach and landing. Yes I still use the rudders on T/O and in the pattern, but only for short periods. I cna't imagine a trim "tab" being very useful with the wide speed range of a -10.

-Marc
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  #13  
Old 01-11-2018, 08:49 AM
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Auburntsts Auburntsts is offline
 
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Quote:
Originally Posted by Plummit View Post
I cna't imagine a trim "tab" being very useful with the wide speed range of a -10.

-Marc
You have to pick a specific flight regime, typically the one where you spend the most time. For most RVer's that have gone this route, it's cruise.
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  #14  
Old 01-11-2018, 08:57 AM
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9GT 9GT is online now
 
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I used a Ray Allen servo and a short piece of hinge to fab my rudder trim tab. I found it to be an invaluable item for trimming the aircraft out. The servo was mounted to the access panel to the left of the rod fairing. Its not clearly visible in the photo.
[IMG]DSC01477 by David C, on Flickr[/IMG]
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  #15  
Old 01-11-2018, 09:44 AM
brad walton brad walton is offline
 
Join Date: Jul 2007
Location: Cypress, TX
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If you add a servo inside the rudder, you may be changing its flutter speed. I have no rudder trim on my RV8. The need for trim and in which direction change with speed and whether you are in climb or descent. In cruise, mine requires light right rudder pressure. Without it, I'm a half ball out. I've found no difference in speed ball centered or a half ball out.
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  #16  
Old 01-11-2018, 02:46 PM
redbaron redbaron is offline
 
Join Date: Aug 2013
Location: Lucerne,Ca
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Smile Rudder trim tab

Todd, Just give van,s order dept. a call, It,s not listed.
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  #17  
Old 01-11-2018, 03:18 PM
BobTurner BobTurner is offline
 
Join Date: Dec 2011
Location: Livermore, CA
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”Everyone loves what they decided to do.”
Usually this quote is applied to avionics, but it applies here too.
Build the plane, fly it, then decide on rudder trim.
For the record, I went with a fixed wedge, ball centered in my typical cruise. Other cruise configurations might require a very slight rudder input - so small that once applied, friction holds it! Climb, I need to hold some right rudder, for sure. I have no intention of adding rudder trim. OTOH, adding aileron trim is on my wish list.
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  #18  
Old 01-11-2018, 03:25 PM
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RV8JD RV8JD is offline
 
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Quote:
Originally Posted by redbaron View Post
Vans has a nice rudder trip kit. nice and very low cost. give them a call
Quote:
Originally Posted by Auburntsts View Post
Really? Is it listed on their website?
Quote:
Originally Posted by redbaron View Post
Todd, Just give van,s order dept. a call, It,s not listed.
Must be this from "The List", for the RV-12, but probably adaptable:
12 RUDDER TRIM KIT, TRIM TAB & RIVETS, $7.00
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