REFLECTOR: Ailerons

[Velocity XLFG]

Not saying change to universals or not to . It sounds like a good idea but also there are a lot of velocity’s
out there that fly just fine as the plans lay out.

From: Jim Agnew 
Sent: Tuesday, December 27, 2011 9:13 AM
To: Brett Ferrell ; Velocity Aircraft Owners and Builders list 
Subject: Re: REFLECTOR: Ailerons

I can't send you pictures since the universal joints are inside the wing.  

All you have to do is purchase the proper size universal joints that will fit the inside diameter of the aileron connecting piece and the torque tube.   

See  http://www.aircraftspruce.com/catalog/appages/ujoints.php

You will have to shorten the torque tube to make up for the additinal length that the universal joint adds.  remember that the inside diameter of the aileron connecting piece and the and the torque tube have to be the same. 

Jim

James F. Agnew
Jim_Agnew_2 at Yahoo.Com
Tampa, FL
Velocity 173 Elite Aircraft Completed & Flying


  From: Brett Ferrell <reflector at velocityxl.com>
  To: reflector <reflector at tvbf.org> 
  Sent: Monday, December 26, 2011 8:04 PM
  Subject: Re: REFLECTOR: Ailerons


  Jim,

  Can you send or post pictures of your universal joints?  Even better, do you have a recommended part number?

  Brett


  > On Mon, Dec 26, 2011, at 04:40 PM, Jim Agnew wrote:
  >I can explain exactly what is wrong with the aluminum tubes.  They do not rotate around the center line of >the ailerons.  The tubes warp absorbing the torque.  Proven by several Torsional vibration specialists at my >request.  I replaced all of the aluminum torque tubes with the same size and thickness stainless steel tubes >and added universal joints to the aileron connection to minimize the warping tendency.
  > 

  >When Sam DaSilva & I discovered that you could hold the back edge of the aileron with your thumb & >forefinger and move the stick FULL THROW RIGHT & LEFT without the aileron moving that made me look >for the problem.
  > 

  >Jim

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