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12-17-2014, 07:18 PM
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Join Date: Oct 2011
Location: Liberty Twp, OH
Posts: 640
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Opinion on pedal placement
I need some opinion or insight on where best to place my rudder pedals. I know my seats and interior will increase the sitting height, compared to just sitting on the floor seat pans and making airplane noises. But I seriously doubt it would move me forward any in seating position.
For reference, I am 6'0, with a 32" inseam for leg length. Below is a picture of where my knees land, basically at the forward edge of the center bulkhead.
At the forward-most position of the rudder pedals, with the minimum distance back from the firewall of 3", the pedals are clearly too far forward for my toes to hit.
The final picture is after moving the pedals back to where my toes basically barely touch.
But this looks almost too far aft? If I moved the pedals completely aft to what might be a comfortable position, I think the bearing blocks would be right up against the forward vertical bulkheads.
Opinions? Too far aft, too far forward, where should I try and position them next? And yes, I'll be drilling a number of bolt holes for various bearing block positions. I just want to try and find a close to comfortable position now first.
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Scott Balmos - RV-9A N112SB
Cincinnati, OH, KHAO
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12-17-2014, 07:45 PM
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Join Date: Apr 2011
Location: Cincinnati, OH
Posts: 2,787
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lean back
Scott, I adjusted mine so I am leaning back as far as possible because after some time I felt it was more comfortable. This resulted in pedals mid position, lower seat hinge in middle position and back rest full aft. My inseam = 32 inch. My seat cushions are very thick so keep that in mind. You are welcome to test fit mine. Steve
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Steve Melton
Cincinnati, OH
RV-9A, Tip-up, Superior O-320, roller lifters, 160HP, WW 200RV, dual impulse slick mags, oil pressure = 65 psi, EGT = 1300F, flight hours = 800+ for all
Simplicity is the art in design.
My Artwork is freely given and published and cannot be patented.
www.rvplasticparts.com
Last edited by Steve Melton : 12-17-2014 at 07:49 PM.
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12-17-2014, 08:01 PM
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Join Date: May 2005
Location: X35 - Ocala, FL
Posts: 3,679
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You need to test it with cushions. That changes everything. Borrow a set and try it again. I'm 6'1" & I'm uncomfortable without the "Almost a -14" mod. I think pedals full forward would be best for me.
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Jesse Saint
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12-17-2014, 08:11 PM
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Join Date: Jan 2010
Location: Ottawa, Ks
Posts: 2,188
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Seat cushions really change the geometry, A BUNCH!
I am only 5'10" with a 32" inseam and I have the rudder pedals as far forward as possible. I have the bottom of my seat back in the front-most position, and the back rest cut down to allow as much of a reclined angle as possible. It fits me perfectly.
I think it has to do a lot with your natural driving position, I like to drive "leaned back." If you like the more upright seating when you drive I would position the rudder pedals at the mid-point.
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RV 7 400 hours and counting
19 donation done
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12-17-2014, 09:56 PM
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Join Date: Mar 2009
Location: Sydney, Australia
Posts: 617
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I'm 6'1" no idea about my inseam, but I have the rudder pedals in the middle position.
Don't forget the seat back will actually move you forward a lot.
Cheers
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Eddie Seve
Sydney Australia
First Flight 16th July 2012
RV-7 Phase 2, 30 Oct 2012
1100 hrs Feb 2020
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12-18-2014, 12:04 AM
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Join Date: Mar 2008
Location: Ramona, CA
Posts: 2,367
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I'm 6'2" with a 35" inseam. I have the pedals all the way forward and this works fine with my long legs. On long flights I can stretch out my legs towards the center tunnel if needed, but I'm usually just resting my feet on the pedals.
The plans have you drill 3 different locations for adjustability, but changing this would require new rudder pedal links. Not hard to do, but certainly would be a hassle to move them later. I didn't make the rudder cable linkages until late in final assembly. By then you should have seat cushions to sit on and really fine tune the position. My advice is to drill the 3 positions and later determine the best one for your legs and then create the rudder links to fit the chosen position.
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12-18-2014, 05:52 AM
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Join Date: Aug 2012
Location: Garden City Texas
Posts: 878
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I found the rudder cable lengths had more to do with the pedal positions than the mounting holes. The mounting holes just changed the angle of the pedals slightly. I chose the farthest set of holes as I have a tendency to ride the brakes too much in most of the aircraft I have flown.
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12-18-2014, 09:42 PM
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Join Date: Jun 2012
Location: West Hills, CA
Posts: 386
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Wtf
The first thing you need to do is to put some shoes on!!!
For crying out loud.
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US ARMY VETERAN (75th & 1st 509th Airborne)
CFI, CFI-I, MEI, MEI-I, A&P
RV Transitional trainer
RV9A - FLYING
RV3 ?a? - FLYING 200+MPH
Onex - Building
Q200- Rebuild in progress
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Grumman AA5 - Sold
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12-19-2014, 04:27 AM
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Join Date: Jan 2005
Location: SC
Posts: 12,887
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I'm the same size with the same inseam and I put them full forward.
It looks like your peddles are at different angles, which could be a problem. My solution was to jig up the rudder bars on my work bench and clamp the two rudders together so they were side-by-side. Then I put a long piece of pencil sized dowel horizontally in front of each rudder pedal and forward of the two vertical supports. When the peddles lined up, I drilled the brake master cylinders to them.
(Not to worry, replacement peddle parts aren't that expensive. I had to buy new ones when I found out mine weren't lining up.)
And I keep an old pillow case in back so when I have muddy and/or wet shoes I have something to put them in before getting in the plane. I then fly in my socks until shut down, where I toss my shoe bag out of the plane before getting out.
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Bill R.
RV-9 (Yes, it's a dragon tail)
O-360 w/ dual P-mags
Build the plane you want, not the plane others want you to build!
SC86 - Easley, SC
www.repucci.com/bill/baf.html
Last edited by N941WR : 12-19-2014 at 08:26 AM.
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12-19-2014, 07:22 AM
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Join Date: Oct 2011
Location: Liberty Twp, OH
Posts: 640
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Fair enough, I'll wait until I have some cushions in the spring or so. I was planning on drilling multiple sets of holes anyway like the plan says - back hole becomes the front hole of the next position, etc. Maybe a set of holes in-between, depending on distance from a neighboring hole. Thanks all.
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Scott Balmos - RV-9A N112SB
Cincinnati, OH, KHAO
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