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04-16-2014, 07:07 AM
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Join Date: Nov 2013
Location: The Villages, FL
Posts: 86
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RV-10 rudder trim
I'm a rookie at RV building and I was wondering if it is worth the effort to add rudder trim on the -10 while I'm building the empennage. If so what is the best system? Cable actuated or elect servo?
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04-16-2014, 07:11 AM
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Super Moderator
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Join Date: Dec 2005
Location: Salt Lake City, Utah
Posts: 1,158
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Check this out too.
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Scott Schmidt
Salt Lake City, UT
RV-10 N104XP (1280 Hours)
RV-12 N321UT (Sold)
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04-16-2014, 07:54 AM
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Join Date: Feb 2011
Location: Hastings, MN
Posts: 582
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There is also an option for a spring bias rudder trim for the RV10:
http://www.aerosportproducts.com/ruddertrim.htm
I don't have it (yet) but is has a few advantages over the cut tab trim (no cutting of the rudder, no additional wire runs, keeps the rudder from flapping around in light wind, light weight, simple install.)
__________________
Ed Kranz
RV-10 N829EC - Flying
First Flight: 8/29/15
KSGS - Fleming Field, South Saint Paul, Minnesota
YouTube.com/GoodPlaneLiving -- Build Timelapse and Travel Videos . . GoodPlaneLiving.com -- Build and Travel Blog
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04-16-2014, 08:39 AM
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Join Date: Jun 2006
Location: Delaware, OH (KDLZ)
Posts: 4,196
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Quote:
Originally Posted by NovaBandit
There is also an option for a spring bias rudder trim for the RV10:
http://www.aerosportproducts.com/ruddertrim.htm
I don't have it (yet) but is has a few advantages over the cut tab trim (no cutting of the rudder, no additional wire runs, keeps the rudder from flapping around in light wind, light weight, simple install.)
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I have it installed and totally agree with what Ed has stated.
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04-16-2014, 08:42 AM
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Join Date: Apr 2009
Location: USA
Posts: 1,499
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Mine cost $1.92 + tax...3/8" X 1/2" balsa stick velcroed to tunnel. Installed between rudder pedal tube and framework below seat. Cut a half moon shape on one end. Used only in cruise and removed for descent. Easily breakable if necessary. Yes, I know it is too simple and cheap.
I TIG welded tabs on my towbar to install as a rudder gust lock.
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Good judgment comes from experience, and a lot of that comes from bad judgment.
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04-16-2014, 08:44 AM
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Senior Curmudgeon
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Join Date: Sep 2005
Location: Dayton Airpark, NV A34
Posts: 15,420
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Welcome to VAF!
Quote:
Originally Posted by ClarkieSr
I'm a rookie at RV building
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Tom, welcome aboard the good ship VAF.
I installed the electric setup, with a cut in tab vs the add on hinge tab. I am pleased with it, surprising how effective it is considering the small size as it relates to the overall rudder.
If I were to build another plane, I would do the same.
Pretty sure others with different trim systems will have a similar feeling about what they are using.
My suggestion----------pick one and go with it, whatever seems best to you.
__________________
Mike Starkey
VAF 909
Rv-10, N210LM.
Flying as of 12/4/2010
Phase 1 done, 2/4/2011 
Sold after 240+ wonderful hours of flight.
"Flying the airplane is more important than radioing your plight to a person on the ground incapable of understanding or doing anything about it."
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04-16-2014, 11:44 AM
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Join Date: Nov 2013
Location: The Villages, FL
Posts: 86
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RV Builders in Central FL
I'm new to RV building and have started work on the -10 empennage. I would like to know if there are other builders in my area. I live in The Villages, FL 32162.
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04-16-2014, 11:46 AM
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Join Date: Nov 2013
Location: The Villages, FL
Posts: 86
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Thanks. I'll do just that
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04-16-2014, 09:27 PM
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Join Date: Dec 2012
Location: alaska
Posts: 309
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Hey Ed if I remember right I thought you bought the control approach rudder pedals and if so the rudder trim from aerosport won't work if I am thinking correctly.
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2016 dues paid
RV10 Started Jan 2013
DAR sign off April 23rd 2016
PA-18
PA-46
Cessna 172 and T182RG
RV-10
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04-17-2014, 08:07 AM
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Join Date: Feb 2011
Location: Hastings, MN
Posts: 582
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Quote:
Originally Posted by stamper
Hey Ed if I remember right I thought you bought the control approach rudder pedals and if so the rudder trim from aerosport won't work if I am thinking correctly.
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Good memory!
You're right, that it won't work with the stock Aerosport components. Their rudder trim works with a pair of arms that are bolted to the top of the van's rudder pedal cross bars, and the trim box pulls those top arms towards the rear of the plane with differential pressure to a pair of springs.
This video explains it better than I do: https://www.youtube.com/watch?v=YJ4sEGL8As4
The problem with the Control Approach pedals and this system, is that my pedal crossbars are nested inside each other, so there is no good place to mount the Aerosport trim arms. The one thing these pedals do have is the two downward facing arms inside the tunnel, where the rudder cables attach. My plan is to either fab up some arms extending upward from these rudder cable arms, and attach there, or run a pair of pullys or cams off the firewall, and have the trim springs pull the downward facing arms forward.
It's kind of weird to explain without pictures, but does that make sense? The part from Aerosport I'm interested in is the trim box itself. I'm going to be on my own for how it actually attaches to the pedals.
__________________
Ed Kranz
RV-10 N829EC - Flying
First Flight: 8/29/15
KSGS - Fleming Field, South Saint Paul, Minnesota
YouTube.com/GoodPlaneLiving -- Build Timelapse and Travel Videos . . GoodPlaneLiving.com -- Build and Travel Blog
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