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  #1  
Old 06-11-2019, 08:01 PM
Draker's Avatar
Draker Draker is offline
 
Join Date: Jun 2016
Location: Livermore, CA
Posts: 232
Default Maximum rudder pedal deflection from center

Working up a bracket to mount Van's parking brake to the firewall in the same position as the stock -7A brake line-to-hose bracket, lower left on the firewall. I may have a clearance issue with my left rudder pedal. Since I don't have the rudder rigged up yet, I don't know whether this is a problem. How far forward from "straight down" should I expect the rudder pedals to swing once they're rigged? Ideally I want to use the "middle" position of the three rudder positioning holes, and maintain minimum of 1 inch of clearance between the pedal full-forward position and the cable that controls the parking brake. Currently, my pedal touches the adel clamp on my bracket after 4 inches of forward deflection.

If I can expect no more than 3 inches of forward pedal deflection once the rudder is rigged, then I think I can live with my bracket.

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Ryan Drake
Livermore, CA
https://stiletto.smugmug.com/RV7
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  #2  
Old 06-12-2019, 03:45 PM
Ralph Inkster Ralph Inkster is offline
 
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Location: Calgary, Alberta
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I remember mounting the valve higher to better align actuator linkage or control cable. So pedal interference wasnít an issue.
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  #3  
Old 06-12-2019, 04:34 PM
rapid_ascent rapid_ascent is offline
 
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Location: Dublin, CA
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Ryan,

How high off the bottom skin were you placing the valve. I can't really tell from the angle of your pic where its located. I'm still mulling over where I'm going to put mine.

Ray
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  #4  
Old 06-12-2019, 04:39 PM
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wirejock wirejock is offline
 
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Default Parking brake valve

I mounted mine basically a straight shot for the cable from the panel. I riveted a piece of angle to hold it. No interference to the weldment at all. It's Beringer. Maybe that makes a difference.
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  #5  
Old 06-12-2019, 08:17 PM
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Draker Draker is offline
 
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Ray, my goal is to re-use the existing rivet holes from the F-6122-1 bracket if at all possible so I don't have to significantly re-do the hard brake lines. So it's currently at that height. If the pedals are going to interfere though, I'll bite the bullet and move the bracket some, which is why knowing the maximum pedal travel is critical.
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Ryan Drake
Livermore, CA
https://stiletto.smugmug.com/RV7
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N12VD reserved!
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  #6  
Old 06-12-2019, 09:10 PM
rv7charlie rv7charlie is offline
 
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Location: Pocahontas MS
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If memory serves, both my -4 and the -6 I just purchased have pedal travel of ~2" either side of center, measured at the cable attach point. The -6 pedals appear to be the same assy as the ones in my -7 project, but I can't verify that the pedal travel is the same in the -7.
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  #7  
Old 06-12-2019, 09:45 PM
rapid_ascent rapid_ascent is offline
 
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Ryan, ok it just looked lower in your picture.

Iím thinking either there or move it up a little and closer to the center.
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Ray Tonks
2018 Donation Paid
RV-7 Fuselage in progress
* Rolled the Fuselage
RV-7 SB Wings
* Both Wings fully skinned
* Fuel Tanks Complete - No leaks finally
* Ailerons Complete
* Flaps Complete
RV-7 Empennage - Complete (a little fiberglass work left)
Vans Training Kit # 2 - Complete
Shop Setup - In Progress (Gathering Tools, Never Complete)
RV-7 Preview Plans
Vans Training Kit #1 - Complete
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  #8  
Old 06-13-2019, 06:08 AM
WingsOnWheels WingsOnWheels is offline
 
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Location: Plano, TX
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I have a 6A, but the firewall is from a 7A, so it should be the same. I put my brake valve exactly where the stock hose bracket is. I also moved my pedals as far forward as possible. The limiting factor for pedal placement was interference with the center tunnel cover / cabin heat cover. The brake valve was a non-issue.



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  #9  
Old 06-13-2019, 08:45 AM
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Draker Draker is offline
 
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Location: Livermore, CA
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Colin, your bracket looks a bit more compact than mine. i may want to re-think mine, which is admittedly based on another builder's creation.

Here's a better picture of my left pedal contact with the adel clamp when I deflect it just over 4 inches:



Anyway I sent this question off to the mothership. If anyone has the exact rudder pedal deflection, it would be them.
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Ryan Drake
Livermore, CA
https://stiletto.smugmug.com/RV7
Donated 1/2/2019
RV-7A: Empennage and wing kits complete minus fiberglass, fuselage in progress!
N12VD reserved!
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