How to set up pull-pull cables

[ronlock at comcast.net]

The 4-40 brass connector Rick mentions works nicely and looks slick.
If you don't have the special brass connector,  4-40 eye bolts from Sullivan
will do nicely.

Ron Lockhart
-------------- Original message -------------- 

> Good morning, John! 
> 
> Let's see... pull-pull. The method below was taught to me by a great pattern 
> flier and has worked for all my planes since. I'm sure someone else will 
> post a great method for doing this with plastic coated steel fishing leader, 
> but I've been using vinyl located braided Kevlar cord and never had a 
> problem. 
> 
> As always, the rudder control arms should terminate on the hinge line. The 
> connections on the ends of the arm should be the diameter of the pull pull 
> wheel - or arm- you use. 
> 
> I use a single piece of .038 kevcord with ends knotted through 4-40 brass 
> connectors (both from Aerospace Composite Products - ACP). The cable goes 
> from one connector into the fuse, to the pul- pull wheel on the servo - with 
> a turn around the set screw on the wheel, and back down, out the fuse and to 
> the other connector. 
> Photo available of the servo end (when using a servo arm instead of a wheel) 
> is at 
> http://www.angelfire.com/nj3/rixplanes/images/Elev_Rudder%20servo%20mounts.j 
> pg 
> 
> Hope this helps. 
> 
> Rick 
> 
> -----Original Message----- 
> From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org] On 
> Behalf Of John Pavlick 
> Sent: Friday, March 04, 2005 1:30 AM 
> To: NSRCA Discussion 
> Subject: How to set up pull-pull cables 
> 
> I'm about to install my first pull-pull rudder cable setup. Any important 
> safety tips from you guys would be greatly appreciated. Especially what NOT 
> to do. TIA. 
> 
> John Pavlick 
> http://www.idseng.com 
> 
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