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  #31  
Old 07-23-2019, 09:35 AM
terrye terrye is offline
 
Join Date: Feb 2010
Location: Vancouver, BC, Canada
Posts: 769
Default Parking brake

Not sure if there is a "standard" parking brake system for the RV-7. I recently finished installing the Matco PVPV-D valve on a bracket in the upper left corner
(viewed from the pilot seat) of the firewall and it was a PITA trying to establish a good location for the valve.

If I was doing it again, I would consider building a simple 90 degree bracket bolted to the top of the F-6116 rudder pedal bearing block (Beringer locates their parking valve this way). You'll need extra hoses no matter where you locate the valve.
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  #32  
Old 07-23-2019, 10:59 AM
Taltruda Taltruda is offline
 
Join Date: Oct 2017
Location: Las Vegas, NV
Posts: 148
Default Almost an accident

My buddy was test flying an 8 that had a parking brake valve, but the builder didnít tell him about. Somehow it vibrated partially on, and after a normal landing, turning off the runway, the brakes slowly stuck on and the plane came to a stop. If before landing he did a brake check to verify the pedals were firm, I imagine it would have nosed over on touchdown.
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  #33  
Old 07-23-2019, 11:17 AM
RVDan RVDan is offline
 
Join Date: Jun 2012
Location: Frederick, MD
Posts: 616
Default

I flew my -6A for years without a parking brake. Had a routine down, hold brakes, throw chocks on the ground next to left main, exit quickly, catch airplane, use chocks. One day a friend said why donít you have a parking brake? I had no good response. Next chance installed one. Wouldnít go back.
Be sure to add to your pre taxi checklist.
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  #34  
Old 07-23-2019, 12:38 PM
Bavafa Bavafa is offline
 
Join Date: Oct 2007
Location: Sacramento, CA
Posts: 2,864
Default

Yes
plus some extra words to meet the requirement for posting
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  #35  
Old 07-24-2019, 02:19 AM
KayS KayS is offline
 
Join Date: Jul 2009
Location: huntsville/alabama
Posts: 161
Default

I didn't want to start a discussion if a parking brake is necessary or not. question was if somebody installed something like that (not the parking brake valve Vans sells):

http://www.jegs.com/i/JEGS-Performan...63028/10002/-1

would appreciate if anybody could share some experiences. Looks like a neat idea.
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  #36  
Old 07-24-2019, 01:55 PM
TS Flightlines TS Flightlines is offline
 
Join Date: Apr 2010
Location: Ridgeland, SC
Posts: 2,316
Default

Most 7/9s we plumb dont have PB valves. Most 10s do, 14As are about 50/50, 14TD generally not.

Tom
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  #37  
Old 07-24-2019, 07:26 PM
rapid_ascent rapid_ascent is offline
 
Join Date: Mar 2008
Location: Dublin, CA
Posts: 1,033
Default

The Jegs valve seems like it could work but since it isn't cable actuated then the issue of where you locate it comes up. I'm guessing you would need to put it in the center tunnel area.
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  #38  
Old 07-24-2019, 07:55 PM
WingsOnWheels WingsOnWheels is offline
 
Join Date: Mar 2009
Location: Plano, TX
Posts: 1,611
Default

Quote:
Originally Posted by terrye View Post
Not sure if there is a "standard" parking brake system for the RV-7. I recently finished installing the Matco PVPV-D valve on a bracket in the upper left corner
(viewed from the pilot seat) of the firewall and it was a PITA trying to establish a good location for the valve.

If I was doing it again, I would consider building a simple 90 degree bracket bolted to the top of the F-6116 rudder pedal bearing block (Beringer locates their parking valve this way). You'll need extra hoses no matter where you locate the valve.
I mounted my brake valve in the same location as the vans bracket on the firewall. Used the standard hoses, just had to bend the hard lines a little differently.
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  #39  
Old 07-25-2019, 10:13 AM
Feetwet Feetwet is offline
 
Join Date: Mar 2008
Location: Seattle/Tucson
Posts: 48
Default RV-4 Odd Brakes?

I purchased an RV-4 without a parking brake. I have about 800 hrs on it and discovered soon after starting to fly with it that by pulling on the rudder wires on either side I could apply the brakes. I have Cleveland masters and reviewed the build diagrams for brakes and the installation seemed to be more or less standard. It does have rudder pedal extensions for the back seat which probably is a factor in this. I really didn't see a down side to this condition since I could not come up with a scenario in which it would be a problem. The upside is that by connecting a bungee cord of appropriate length to the back seat rudder pedal extensions and wrapping it around the back seat stick I have both a control lock and a parking brake. I have done this several times on temporary stops, but it doesn't help much parking in strong winds.
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