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  #1  
Old 04-16-2014, 07:07 AM
ClarkieSr ClarkieSr is offline
 
Join Date: Nov 2013
Location: The Villages, FL
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Default 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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  #2  
Old 04-16-2014, 07:11 AM
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ScottSchmidt ScottSchmidt is offline
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Default Check this out too.

Here is another thread with some info.
http://www.vansairforce.com/communit...ht=Rudder+trim
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  #3  
Old 04-16-2014, 07:54 AM
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NovaBandit NovaBandit is offline
 
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Default

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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  #4  
Old 04-16-2014, 08:39 AM
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rleffler rleffler is offline
 
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Quote:
Originally Posted by NovaBandit View Post
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.)
I have it installed and totally agree with what Ed has stated.
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  #5  
Old 04-16-2014, 08:42 AM
Wayne Gillispie Wayne Gillispie is offline
 
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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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  #6  
Old 04-16-2014, 08:44 AM
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Default Welcome to VAF!

Quote:
Originally Posted by ClarkieSr View Post
I'm a rookie at RV building
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.
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  #7  
Old 04-16-2014, 11:44 AM
ClarkieSr ClarkieSr is offline
 
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Location: The Villages, FL
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Default 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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  #8  
Old 04-16-2014, 11:46 AM
ClarkieSr ClarkieSr is offline
 
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Thanks. I'll do just that
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  #9  
Old 04-16-2014, 09:27 PM
stamper stamper is offline
 
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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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  #10  
Old 04-17-2014, 08:07 AM
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NovaBandit NovaBandit is offline
 
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Quote:
Originally Posted by stamper View Post
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.
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.
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RV-10 N829EC - Flying
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