REFLECTOR: Aileron Torque Tube
Ron Brown
romott at roadrunner.com
Wed Jun 6 19:59:54 CDT 2007
I used the factory aluminum tubes but did not use the connector - I mated my long tubes directly to the ailerons and allowed for the swing of the tube while the ailerons moved through their travel. It is possible to install the tubes so that the end of the tube at the bellcrank does not go through an arc. My ailerons work great - but I do not do rolls so I don't need anything stiffer. (I am a mechanical engineer and I really doubt that there is enough aerodynamic force at 200 knots on the ailerons to cause any significant deflection on a length of 6-7' 3/4" diameter aluminum tubing. - Don't make me get out my slide rule!!!)
Ronnie
----- Original Message -----
From: Milehitaz at aol.com
To: reflector at tvbf.org
Sent: Wednesday, June 06, 2007 2:38 PM
Subject: REFLECTOR: Aileron Torque Tube
Question for the collective,
The original aluminum torque tube stock I received with my kit was badly bent in a Bi-fold hangar door incident a while back and I need to order new stock.
I vaguely remember something about folks going to steel tubing VS the Aluminum between the bearing and the connection to the Aileron.
If memory serves me the modification was because there was a belief the Aluminum was "twisting or flexing" at high speeds and not providing all intended input. I see in the newest version of the construction manual the factory still lists the Aluminum tube.... Anyone flying have input here?
Thank you in advance for your help.
Larry Lambert
XL/RG
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