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  #1  
Old 12-27-2011, 09:53 PM
vmirv8bldr's Avatar
vmirv8bldr vmirv8bldr is offline
 
Join Date: Jun 2005
Location: Eastvale, CA
Posts: 378
Default Wire end for AFP Purge arm

What are folks using to terminate the bowden cale that operates the purge valve actuator? The cable ends sold by Vans and ACS has a usable shank of about .025" which is fine if it's actuating a thin sheet of Al, but that control arm is itself 0.25" leaving no room to get a washer and castle nut on it.

Pictures?

I can make something out of a short piece of angle and a couple of bolts and washers, but just wondering if there was something more elegant.

Thanks.
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Bart Filipiak
Eastvale, CA
RV-8 N74VB

Barrett IO-390
WW200RV
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  #2  
Old 12-27-2011, 10:17 PM
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Walt Walt is offline
 
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Location: Dallas/Ft Worth, TX
Posts: 5,840
Default

This is what I recommend and use myself for this very important control!:
http://www.mcfarlaneaviation.com/Pro...CategoryID=236

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Walt Aronow, DFW, TX (52F)

EXP Aircraft Services LLC
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  #3  
Old 12-27-2011, 11:21 PM
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DanH DanH is offline
 
Join Date: Oct 2005
Location: 08A
Posts: 9,795
Default

It's not something for which you want to use a solid wire Bowden cable. Buy a real control cable with a threaded end and a locking knob.
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Dan Horton
RV-8 SS
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  #4  
Old 12-28-2011, 12:36 AM
vmirv8bldr's Avatar
vmirv8bldr vmirv8bldr is offline
 
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Location: Eastvale, CA
Posts: 378
Default Life-saver

VAF is a lifesaver. Potentially in the literal sense here. (GULP!)

This makes much more sense.

Ordering it tomorrow.
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Bart Filipiak
Eastvale, CA
RV-8 N74VB

Barrett IO-390
WW200RV
FLYING!!!!!!!
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  #5  
Old 12-31-2011, 10:10 AM
Don at Airflow Don at Airflow is offline
 
Join Date: Jun 2006
Posts: 316
Default Cable ends

We prefer using rod end bearings on all control cables (throttle, mixture, purge valve). It not only gives a almost bullet proof connection but also gives good operation if the cable has some offset to the lever. There are plenty of examples of these connections in the appendix section in your Installation and Service Manual. If you need more examples email me at don@airflowperformance.com, and I can send you more ideas from installations we did at our facility.

Don
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