REFLECTOR: Aileron control stick pound pull

[Andrew Ellzey]

Mine started out with probably 4 to 5 pounds of pull. It takes a lot of work to get rid of all the friction spots. I am much happier with the 2 lbs now and as Scott Baker suggests I hope to get a chance to try them out in the air in maybe another 6 months.

Andy




________________________________
From: Jeff Howell <jeffreyhowell at hotmail.com>
To: reflector at tvbf.org
Sent: Saturday, January 3, 2009 6:56:28 PM
Subject: Re: REFLECTOR: Aileron control stick pound pull

I just installed my cables and I have alot of friction as well. probably more than 2 pounds... My cables are also 90" long wich is considerably longer than the 54" useing currently. thanx Jeff 

> From: sbakr at comcast.net
> To: reflector at tvbf.org
> Date: Sat, 3 Jan 2009 08:05:11 -0500
> Subject: Re: REFLECTOR: Aileron control stick pound pull
> 
> Hello Andy,
> Confirm the ailerons have freedom of movement with the cables disconnected. 
> Make sure the foam core does not interefer with the 6' long aileron torque 
> tube inside the wing.
> The aileron push-pull cables will have more internal friction when they are 
> new. The tightness of the dust caps contributes to this. The friction 
> caused by the dust caps will become less over time. When routing the 
> push-pull cables, make as wide a bend as possible when turning the cables 
> from the whale tale through the firewall. Too tight of a radius will cause 
> internal friction.
> Note that stick force feel is different in the air than on the ground. 
> Depending upon the tightness of the ailron trim spring, the ailerons can 
> feel somewhat stiff on the ground - but feel great during flight.
> My advise not to worry about the 2# aileron stick force for now. Fly the 
> aircraft and fine tune your determinations. The aileron control motion of 
> the stick should be smooth - no binding action.
> Happy New Year!
> Scott B.
> 
> 
> ----- Original Message ----- 
> From: "Andrew Ellzey" <ajlz72756 at yahoo.com>
> To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
> Cc: <scottb at velocityaircraft.com>
> Sent: Friday, January 02, 2009 5:22 PM
> Subject: REFLECTOR: Aileron control stick pound pull
> 
> 
> I just completed rigging my aileron's and would like to know what pound pull 
> should be expected on the control stick. Using a cheep fish scale for a pull 
> gage I am getting about a 2lb pull needed for the first 1 inch of aileron 
> travel and then a gradual increase to about 4lbs for full deflection. I have 
> an XLRG with the cut down keel mod so my bell cranks are rigged accordingly 
> (Velocity XL-5 Rigging). The 2lb pull is the best that I have been able to 
> achieve and haven't lubed anything yet. It seems to me that the push pull 
> cables should have been shorter to reduce the radius of the bend as it 
> travels through the gear bulkheads. My push pull cables are 60 inches long. 
> Was I supposed to receive shorter cables with the cut down keel mod? Is 
> there anyone on the reflector with the -5 option that hasn't installed their 
> push pull aileron cables that could measure their cables?
> 
> The manual calls for white grease under the rubber cups, has anyone found 
> anything better? And yes, I reamed my rubber cups to reduce or completely 
> eliminate any drag from the rubber wipers of the cups. I know that some say 
> to completely remove the inboard cups, but if you do this the plastic guide 
> that is under the cups doesn't stay in place without the cups to hold them.
> 
> I took the factory demo ride before I bought my kit in 2005, and I don't 
> remember the aileron pull to be this stiff. What I remember was a very light 
> touch needed to fly the factory XLRG.
> 
> Andy Ellzey
> XLRG
> 
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