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travilleh(at)yahoo.com
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 Posted: Tue Feb 08, 2011 5:00 am Post subject: MCMASTER DOOR SEAL |
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DOES ANYONE HAVE THE PRODUCT # FOR THE DOOR SEALS USED FROM MCMASTER? THE SEALS FROM VANS ARE MUCH TOO TIGHT ON THE SIDES (VERTICAL SECTION) OF MY DOORS.
From: Scott Schmidt <scottmschmidt(at)yahoo.com>
To: rv10-list(at)matronics.com
Sent: Mon, February 7, 2011 10:31:17 PM
Subject: Re: Landing gear shake
Yup, just chalk that up to a long day. I switched a couple of numbers around in my head.
Scott Schmidt
From: Jesse Saint <jesse(at)saintaviation.com>
To: rv10-list(at)matronics.com
Sent: Mon, February 7, 2011 3:46:03 PM
Subject: Re: Landing gear shake
Not to be anal, but 8 11/32 - 7.5 (7 16/32) is not more than an inch, but it's not important. It could really depend on how the plane is sitting, loaded, fueled, etc.
do not archive
Jesse Saint
Saint Aviation, Inc.
jesse(at)saintaviation.com (jesse(at)saintaviation.com)
C: 352-427-0285
F: 815-377-3694
On Feb 7, 2011, at 5:28 PM, Scott Schmidt wrote:
| Quote: | Mine measured at 8 11/32". Don't know if there is any slop in the rubber discs yet.
Interesting it is over one 1" taller.
Scott Schmidt
From: Jesse Saint <jesse(at)saintaviation.com (jesse(at)saintaviation.com)>
To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
Sent: Mon, February 7, 2011 10:47:58 AM
Subject: Re: Landing gear shake
The spacer came from Van's. It's part # U-1002 on page 46-07. I had someone hold the tail down and then I lifted up on the nose gear to see if it was tight. It moved, so I knew it needed another spacer. You can also tell if the bolt holding the cap on can move freely when you loosen the nut. The distance from the prop to the ground depends on how the engine hangs on the engine mounts and other things, but I'll measure it...7.5".
Jesse Saint
Saint Aviation, Inc.
jesse(at)saintaviation.com (jesse(at)saintaviation.com)
C: 352-427-0285
F: 815-377-3694
On Feb 7, 2011, at 12:16 PM, Scott Schmidt wrote:
| Quote: | Jesse, I really like what you tried and have thought about it. I never had a shake until around 100 - 150 hours. If the front gear settles down slightly it changes the toe-in.
If it is still possible can you measure the distance between the prop and the ground?
Where did you purchase the spacer?
Scott Schmidt
From: Jesse Saint <jesse(at)saintaviation.com (jesse(at)saintaviation.com)>
To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
Sent: Mon, February 7, 2011 8:59:26 AM
Subject: Re: Landing gear shake
I just did a condition inspection on N256H. Before the condition it had a fair bit of shimmy in the 25-30 mph range after landing. I added another spacer on the nose gear shock strut and tightened the nose gear pivot nut one flat. Most of the shimmy went away.
Jesse Saint
Saint Aviation, Inc.
jesse(at)saintaviation.com (jesse(at)saintaviation.com)
C: 352-427-0285
F: 815-377-3694
On Feb 6, 2011, at 2:09 AM, Scott Schmidt wrote:
| Quote: | I have posted on this topic before.
Mine does the exact same at the same speeds as does many other RV-10's.
Sometimes balancing the tire fixes/helps, sometimes different tires, pressures, ect.
I have tried most with no success. I have talked with Van about it and he indicated that his personal plane even did it. I have also heard that when people installed the wheel pants it started. It all comes down to a poor gear design. A round gear leg is not the optimal design for a landing gear but is the cheapest shape from a manufacturing point of view.
It is not the caliper either. Even if I slow down with no braking it occurs. I can replicate it on the ground with one wheel jacked up and use my buffer to get the wheel up to 50 mph and when it slows to around 25 mph, it shakes. It is the system hitting a natural frequency.
Van said people have put a block of wood on the backside of other RV models to stop it.
I spent a considerable amount of time re-drilling my gear legs to get the exact toe-in on both sides and it did not change one thing. I have tried two different sets of tires, pressures from 25-60 psi all with no luck. My next plan, when I get to it, is to install the wheel pant spacers from PlaneAround.com and start stiffening the wheel pant to the gear. Then I will start finding a good way change the moment of inertia of the gear leg, stiffening it in the front to back direction.
I've been told by Vans not to worry about it. Just think of it as a massage with every landing.
I will find a way to eliminate it though.
Let me know if you find anything out.
Thanks, Scott
On Jan 23, 2011, at 6:40 PM, "Roger Standley" <taildragon(at)msn.com (taildragon(at)msn.com)> wrote:
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Strasnuts
Joined: 10 Feb 2009
Posts: 502
Location: Salt Lake City, UT
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| Posted: Tue Feb 08, 2011 5:19 am Post subject: MCMASTER DOOR SEAL |
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1120A311 or 1120A411 depending on your fiberglass width. One at 3/16 and one at 1/4
[quote] ---
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