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madriver42(at)gmail.com
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 Posted: Wed Mar 20, 2013 8:50 am Post subject: Of Rudder Pedals and Brakes |
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Ok 701ers,
Who has modified the rudder pedals so that your - read my - size 11 clod-hoppers don't interfere with the brakes when taking off or touching down.
Its not a non starter, but I find that it is very easy to get a "little" brake action while moving the pedals on takeoff and after landing if I am not super careful. Basically, I have to consciously move the heels of my shoes back so that only my tippy toes are on the rudder pedal bars. This works better in the summer while wearing tennies but suffers in the winter while wearing boots.
Thought about adjusting the brake part of the pedal arm fwd a little by adjusting the clevis on the brake cylinder but not sure that this is do-able. Right now my geometry is brake pedal aligned with the rudder pedal ie straight up and down.
Also thought about making some sort of piece that would go on the "rudder bar" part of the pedal to act as a spacer but this would shorten up an already short leg room dimension.
Don't want to get into a major rebuild here just tossing it out for your astute suggestions or a link to a previous discussion.
ttfn
Still grinnin!!
Phil Smith
Buhl ID
CH 701 Rotax ULS [quote][b]
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sonar1@cox.net
Joined: 02 Oct 2007
Posts: 55
Location: Santa Barbara, Ca
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| Posted: Wed Mar 20, 2013 1:55 pm Post subject: Re: Of Rudder Pedals and Brakes |
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Hi Phil,
I had the same problem, and I solved it by changing my shoes. I got some "sock slippers" from LL Bean, and now can feel the rudder pedals and the brake with no problem.
They are wool socks with thin leather soles. I wear them all the time now..........Fred Sanford....701 912ul flying since 2005
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dougsnash
Joined: 14 Apr 2008
Posts: 281
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| Posted: Wed Mar 20, 2013 3:30 pm Post subject: Of Rudder Pedals and Brakes |
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Phil, when I set up my brakes I had to run the clevis on the top of the brake cyl down a fair bit to get comfortable geometry. I then had to buzz the end of the threaded shaft off so there was no interference between the threaded shaft and the mounting bolt. Seem to remember it was fairly easy. I have size 10.5 feet and almost always wear steel toe safety boots and have no issues with bumping the brakes.
Hope this is helpful
Doug M
NW Ontario, Canada
CH-701 from scratch.
From: Philip Smith <madriver42(at)gmail.com>
To: zenith701801-list(at)matronics.com
Sent: Wednesday, March 20, 2013 11:49:54 AM
Subject: Zenith701801-List: Of Rudder Pedals and Brakes
Ok 701ers,
Who has modified the rudder pedals so that your - read my - size 11 clod-hoppers don't interfere with the brakes when taking off or touching down.
Its not a non starter, but I find that it is very easy to get a "little" brake action while moving the pedals on takeoff and after landing if I am not super careful. Basically, I have to consciously move the heels of my shoes back so that only my tippy toes are on the rudder pedal bars. This works better in the summer while wearing tennies but suffers in the winter while wearing boots.
Thought about adjusting the brake part of the pedal arm fwd a little by adjusting the clevis on the brake cylinder but not sure that this is do-able. Right now my geometry is brake pedal aligned with the rudder pedal ie straight up and down.
Also thought about making some sort of piece that would go on the "rudder bar" part of the pedal to act as a spacer but this would shorten up an already short leg room dimension.
Don't want to get into a major rebuild here just tossing it out for your astute suggestions or a link to a previous discussion.
ttfn
Still grinnin!!
Phil Smith
Buhl ID
CH 701 Rotax ULS
[quote]http://www.matroni====================
[b]
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ronlee
Joined: 25 Dec 2006
Posts: 141
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| Posted: Tue Mar 26, 2013 3:11 pm Post subject: Re: Of Rudder Pedals and Brakes |
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I too had the same problem of riding the brakes. I solved it by adding to the rudder bar as you mentioned and it works very well. I don't have long legs so the shortened distance is not a problem for me. I suspect that Zenith kept the rudder pedals short because they had a header tank so couldn't make them longer to get more leverage at that time. My thinking is they just didn't change for whatever reason (maybe they had a bunch made up, didn't want to change the plans) when they removed the header tank.
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Ron Lee
Tucson, Arizona |
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dougsnash
Joined: 14 Apr 2008
Posts: 281
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| Posted: Tue Mar 26, 2013 3:27 pm Post subject: Of Rudder Pedals and Brakes |
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Ron, at one time the 701had a problem with breaking rudder pedals so that is likely why they were not extended. The problem was fixed with heavier walled tubing but they probably kept the length short to limit stresses.
As I said originally, a little off the length of the master cyl pushrod and the brake T lays back quite nicely. No need for a major redesign.
Doug M
Sent from my iPad
On 2013-03-26, at 6:11 PM, "ronlee" <rlee468(at)comcast.net> wrote:
| Quote: |
I too had the same problem of riding the brakes. I solved it by adding to the rudder bar as you mentioned and it works very well. I don't have long legs so the shortened distance is not a problem for me. I suspect that Zenith kept the rudder pedals short because they had a header tank so couldn't make them longer to get more leverage at that time. My thinking is they just didn't change for whatever reason (maybe they had a bunch made up, didn't want to change the plans) when they removed the header tank.
--------
Ron Lee
Tucson, Arizona
Read this topic online here
http://forums.matronics.com/viewtopic.php?p=397139#397139
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