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05-10-2013, 05:47 AM
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Forum Peruser
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Join Date: Jan 2005
Location: Austinville, Alabama
Posts: 2,458
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Wow, this is one of the first threads I read this morning, and I am touched by the outpouring of concern among the VAF family. 
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Don Hull
RV-7 Wings
KDCU Pryor Field
Pilots'n Paws Pilot
N79599/ADS-B In and Out...and I like it!
?Certainly, travel is more than the seeing of sights;
it is a change that goes on, deep and permanent, in the ideas of living." Miriam Beard
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05-10-2013, 06:41 AM
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Join Date: Jan 2005
Location: Round Rock, TX
Posts: 3,778
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Quote:
Originally Posted by aturner
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Greg,
This is the same system I brought up earlier. I put Carl Bell and Jim Hard together back when Carl was looking for braking solutions... So we know the system works on at least two RV's. 
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Reiley
Retired N622DR - Serial #V7A1467
VAF# 671
Repeat Offender / Race 007
Friend of the RV-1
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05-10-2013, 06:45 AM
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Join Date: Sep 2011
Location: Melbourne Australia
Posts: 51
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Hand controls
http://www.wheelieswithwings.com.au/Foxbat.html
Hi Greg I am Chairman of Wheelies with Wings in Australia.
We have given learn to fly moivational scholarshps to over 50 disabled people. There are different bolt on hand controls. One of our many Oz wheelchair pilots flies a Bonanza. pics on website.
the link above shows the setup on the Foxbat aircraft we use.
Similar brakes setup to the pics Pierre posted but the rudders are controlled by left right movement of the throttle lever.
No worres you will find a setup that suits you if the leg doesnt come right.
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Rob Rickards
Melbourne Australia
RV7 VH-RRA flying Sept 2017
Sept 2019 180 hours
=VAF=. 2019 Donor
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05-10-2013, 06:55 AM
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Join Date: Jun 2010
Location: Stilwell, KS
Posts: 1,096
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Greg,
Just a hunch, but it sounds like your father in law thinks selling your airplane will solve two problems- it's way to help you pay for lost income and a way to get rid of something he's probably always feared.
We see it as a precious tool for a fellow pilot's recovery and return to normal life.
I grew up watching a local builder/pilot with polio fly in and out of our model airplane strip with his Kolb Firestar. Though he could barely walk with a cane, he flew that airplane like it was an extension of himself. He belonged in the sky. You will figure it out!
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Katie Bosman
RV-3B sold, but flying!
Next project: ???
Builders gonna build...
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05-10-2013, 08:33 AM
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Join Date: Jan 2005
Location: Louisville, Ga
Posts: 7,840
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We can do the mod.
Greg, I spoke with my buddy, Ray Lawrence, a bit ago and he says he'd be glad to do the mods for you. He runs an RV builder-assist facility and has built 20 or so RV-s...all models.
He's familiar with Carl Bell's airplane and has seen it up close.
Ray's located in Sandersville, Ga (OKZ).
Best,
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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
EAA Flight Advisor/CFI/Tech Counselor
Louisville, Ga
It's never skill or craftsmanship that completes airplanes, it's the will to do so,
Patrick Kenny, EAA 275132
Dues gladly paid!
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05-10-2013, 11:52 AM
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Join Date: Oct 2009
Location: Victoria, BC, Canada
Posts: 3,932
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Quote:
Originally Posted by VPYVO
the link above shows the setup on the Foxbat aircraft we use.
Similar brakes setup to the pics Pierre posted but the rudders are controlled by left right movement of the throttle lever.
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Rob, unless i'm mistaken, the brakes on the Foxbat look like they are a single master cylinder driving both wheels... Is that correct? Do you have any differential braking on the Foxbat?
It looks like it has a steerable nosewheel as well, which on the ground would eliminate some/most need for differential braking. On the RV with the castering nose/tail wheels, differential braking is a must.
Looking at the two side-by-sides shown so far, and knowing that my RV only has brakes in the pilot's seat, I wonder if it would make sense to remove the brake lines/pistons/pedals from the pilot's seat, and only have them in the passenger seat and on the hand controls. That would save the weight of the brakes the pilot can't use anwyay, and reduce system complexity. If one wanted to convert back to a conventional RV later, they could add the brake pedals when they remove the hand controls.
I seem to recall seeing a system that had differential brakes *and* rudder controls on one center-mounted control. But I forget where I saw it now, or how it worked. I'll look further.
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Rob Prior
1996 RV-6 "Tweety" C-FRBP (formerly N196RV)
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05-10-2013, 02:45 PM
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Join Date: Jun 2007
Location: Rhode Island
Posts: 937
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Greg, I admire your positive attitude.
As I study the excellent post from Pierre with the interesting bellcrank mechanism and pedal mod allowing the pilot with the good leg to push and pull the rudder pedal, I am reminded of a recent post from a Frenchman named Antoine Garcia who proposed a pair of gears on the rudder pedal tubes which accomplish the EXACT SAME FUNCTION, but do it in perhaps a more elegant way, with fewer parts and lighter weight. He was poo-pooed a bit for solving what some felt was a non-existent problem, but it does indeed solve a problem for Greg! Some raised concerns about FOD falling into the gears which could very easily be addressed with a sheet metal cover over them. His phots are as follows:
 [/quote]
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Highest Regards,
Noah F, RV-7A
All men dream, but not equally. Those who dream by night in the dusty recesses of their minds wake in the day to find that it was vanity: but the dreamers of the day are dangerous men? for they may act their dream with open eyes, to make it possible. -T.E. Lawrence
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05-10-2013, 03:24 PM
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Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 9,035
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Quote:
Originally Posted by Noah
Greg, I admire your positive attitude.
As I study the excellent post from Pierre with the interesting bellcrank mechanism and pedal mod allowing the pilot with the good leg to push and pull the rudder pedal, I am reminded of a recent post from a Frenchman named Antoine Garcia who proposed a pair of gears on the rudder pedal tubes which accomplish the EXACT SAME FUNCTION, but do it in perhaps a more elegant way, with fewer parts and lighter weight. He was poo-pooed a bit for solving what some felt was a non-existent problem, but it does indeed solve a problem for Greg! Some raised concerns about FOD falling into the gears which could very easily be addressed with a sheet metal cover over them. His phots are as follows:
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The reenforcement gussets in the rudder pedal assembly are expecting the loads to be induced directly at the pedal. If this is changed, then changes to the actual torque tube pedal assembly will likely be needed also.
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Opinions, information and comments are my own unless stated otherwise. They do not necessarily represent the direction/opinions of my employer.
Scott McDaniels
Van's Aircraft Engineering Prototype Shop Manager
Hubbard, Oregon
RV-6A (aka "Junkyard Special ")
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05-10-2013, 03:49 PM
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Join Date: Jun 2006
Location: Boca Raton, Florida
Posts: 436
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Greg:
So Very sorry to hear of your accident! I ride and fly as well. Its a shame there are so many Jerks out there that dont watch out for Bikes! Dont give up hope.
This great VAF community will see to it that you WILL fly again. If I can be of any help at all with the mod, or bringing the plane somewhere to get the work done, let me know.
I am just up the road in Lexington.
Al "Nordo" Grajejk
algrajek@msn.com
__________________
Al "Nordo" Grajek
repeat offender
\___(0)___/
RV8
RV8A
RV8
RV6A
Now RV7A!!
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05-10-2013, 08:27 PM
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Join Date: Aug 2011
Location: Jeffersonville, IN
Posts: 393
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Good luck on your next life adventure, the mind is much more powerful than any physical limitation any of us have.
Not sure if it helps, but look into hand brake master cylinders used in sandrails. The braking issue is easy to solve. Neal is one brand.
Best of luck.
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Jeff Scott
RV9A First Flight 9/30/19
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