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  #1  
Old 12-23-2011, 08:07 PM
Ted Farmin Ted Farmin is offline
 
Join Date: Mar 2005
Location: Sandpoint, Idaho
Posts: 104
Default Rudder cable travel

Could someone please tell me the full travel of the rudder cable horn with the cable attached to the rudder. I have a prosthetic leg and have to have a lever to operated the rudder with a motorcycle clutch lever on the handle for the brake. I did this in our RV-4 and it works well for me.

Ted Farmin
CFI sel,ses,gl,private helo
RV-4 flying 4.5yrs 630hobbs
120293 wings, emp. done
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  #2  
Old 12-23-2011, 10:21 PM
jersey jersey is offline
 
Join Date: May 2010
Location: Wharton, Texas
Posts: 122
Default

Ted,
Ill look into it next time at the Hangar. I assume your need the cable travel distance from center to the stop.

Gary Eldridge
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  #3  
Old 12-24-2011, 05:34 AM
pierre smith's Avatar
pierre smith pierre smith is offline
 
Join Date: Jan 2005
Location: Louisville, Ga
Posts: 7,840
Default Hi Ted

I had a student with his left leg amputated above the knee and he now flies his modified -7A all over the country. He welded arms to the top of the rudder bars, that attach to a bellcrank, so the when he pulls the right pedal toward him, the left pedal is depressed, as shown by this photo:



He added a stirrup to the right pedal to accomplish this:



He mounted his throttle on the far left of the dash so that he could also use differential brakes, mounted on two levers in the center, so he can also steer with the brakes in his right hand:



I'm not sure how the -12 pedal geometry is designed but these pictures should give you an alternate idea. His left ankle doesn't pivot, so he mounted a small wheel to two arms screwed into his Nike's, so that it can roll back 'n forth as the left pedal moves.

We practised taxiing using only his right (good) leg by pulling it back, we turned left and pressing, turned right, over and over until he became pretty adept at it. That, and the dual handbrake setup did the trick. He's been to Yellowstone and Massachusetts from his base in Barnwell, S.C. and many other places without any landing/groundlooping incidents after the FAA issued his SODA in a Cherokee 140.

If you'd like either call or PM me if you'd like to speak/communicate with him.

Best,
__________________
Pierre Smith
RV-10, 510 TT
RV6A (Sojourner) 180 HP, Catto 3 Bl (502Hrs), gone...and already missed
Air Tractor AT 502B PT 6-15 Sold
Air Tractor 402 PT-6-20 Sold
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It's never skill or craftsmanship that completes airplanes, it's the will to do so,
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