REFLECTOR: aileron binding

Fri Jul 13 15:06:55 CDT 2012

Hi Terry,
I will get pics this weekend and post.

Mark B. Magee
N34XL
Sent from IPhone 4

On Jul 13, 2012, at 2:45 PM, Terrence Miles <terrence_miles at hotmail.com> wrote:

> Mark,
> Can you show us a pic of your engine compartment showing the cable runs?
> Thanks,
> Terry
>  
> From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On Behalf Of Mark Magee
> Sent: Friday, July 13, 2012 2:01 PM
> To: Velocity Aircraft Owners and Builders list
> Cc: Velocity Aircraft Owners and Builders list
> Subject: Re: REFLECTOR: aileron binding
>  
> I've had 2 cables seize on me, I put all info on a thread many months back. The heatsoak after shutdown will melt the inner liners of certain cables. This is a safety issue and I will tell all to get the cables with the highest heat rating possible. My last cable seized after shutdown on a warm day last November. I have to imagine with all the hot weather this will be rearing it's ugly head again.
>  
> 
> 
> Mark B. Magee
> N34XL
> Sent from IPhone 4
> 
> On Jul 13, 2012, at 11:35 AM, "Laurence Coen" <lwcoen at hotmail.com> wrote:
> 
> I don't think that the liner is Teflon but is Nylon.  The melting of Nylon 6,6 is 494F and Teflon is 630F. Nylon 6 is even lower at 428F.  The Teleflex cable uses HDPE which melts at 266F and for all I know for sure may be what is used in the factory supplied cables.
>  
> Larry Coen
> N136LC
>  
> From: Scott Derrick
> Sent: Thursday, July 12, 2012 7:13 PM
> To: Velocity Aircraft Owners and Builders list
> Subject: Re: REFLECTOR: aileron binding
>  
> thats scary!
> -------- Original Message --------
> Subject: Re: REFLECTOR: aileron binding
> From: Doug Kanczuzewski <doug at customstudio.com>
> To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
> Date: 07/12/2012 01:23 PM
> One caution is that the cables are listed as marine use and I do not see any indication for high temperature usage. I did have one set of  cables that the internal Teflon liquefied which caused the control to get a bit sluggish and when cooled down froze up control. But then I am running an IO-540 with turbo.
>  
> Doug
>  
> From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On Behalf Of Jones Nick
> Sent: Thursday, July 12, 2012 11:16 AM
> To: Velocity Aircraft Owners and Builders list
> Subject: Re: REFLECTOR: aileron binding
>  
> Reiff,
>  
> I too thought there was too much friction and slop on the ailerons. I talked to Teleflex controls about the problem. They told me about their TFXtreame cable design that eliminates most of the slop and decrease the friction.  I installed the TFXextreme cables and the friction was reduced significantly and very little slop. I haven’t flown the cables yet but I can tell the difference between the TFX cable from the original cables.
>  
> http://www.teleflexmarine.com/products/controls-and-cables/control-cables-and-accessories/tfxtreme-cables/
>  
> Best regards,
>  
> Nick and Connie Jones
> Velocity XL-RG
> N10CN
> 99% done 90% to go
>  
> From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On Behalf Of Reiff Lorenz
> Sent: Thursday, July 12, 2012 1:25 PM
> To: Velocity Aircraft Owners and Builders list
> Subject: Re: REFLECTOR: aileron binding
>  
>  
> Don,
>  
> Here's a collection of comments, impressions, and stories about ailerons that I've collected over the past 3 years. Some of these are even true. I don't pretend to be an expert, but I'll put this out for anyone that wants it:
>  
> 1.      <!--[if !supportLists]--><!--[endif]-->Velocity ailerons frequently feel stiff. Once the engine is running, the vibration eliminates that issue. (I'm not claiming that this is an acceptable solution, just that I've heard it from many builders.)
> 2.      <!--[if !supportLists]--><!--[endif]-->Some have improved the situation with bearings, universal joints, and push-pull cable lubrication.
> 3.      <!--[if !supportLists]--><!--[endif]-->The Rocket Racing League wanted to eliminate the stiffness (since they flew half of the time with the engine off) so they replaced the push-pull cables with a series of pushrods and bellcranks.
> 4.      <!--[if !supportLists]--><!--[endif]-->When I was in Sebastian this winter, Velocity was building the twin. They were considering using "a higher grade" of push-pull cable to reduce friction and slop.
>  
> Hope this helps.
>  
> Reiff Lorenz, Dayton, OH
> Velocity XL-RG, 34% complete
> Currently working on: Aeroquip brake lines
>  
>  
>  
> From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On Behalf Of Don Johnston
> Sent: Wednesday, July 11, 2012 6:06 PM
> To: reflector at tvbf.org
> Subject: REFLECTOR: aileron binding
>  
> It's not the aileron. It's something in the cable. With no cable attached the aileron moves with ZERO friction. But once the cable is attached, it's sticky. 
> 
> I'm hoping that I'm creating a problem where none exists. When I had both wings on, Malcolm said the stick was easier to move than most others. So perhaps the weight of the other aileron cancels out some of the cable friction.
> 
> -Don
> 
> From: John Tvedte <johnt at comp-sol.com>
> To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
> Cc: 
> Date: Wed, 11 Jul 2012 16:29:54 -0500
> Subject: Re: REFLECTOR: Aileron binding?
> Don,
>  
> With the Aileron torque tube travelling through an arc – a spherical bearing will help with binding.  In my case, I’m going ‘old school’ (aka Long EZ/Cozy) – and using a universal joint at the connection between the torque tube and the aileron, in conjunction with the spherical bearing at the wing root.  Parts are available off the shelf from Cozy Girls, and Infinity Aerospace.  Let me know if you’d like part #’s, etc.
>  
> John
> 
> 
> 
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>  
> 
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