larry(at)macsmachine.com
Guest
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 Posted: Mon Sep 19, 2011 2:11 pm Post subject: [Probable Spam] Re: Zenith701801-List: |
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Hi John,
I’ve used these people quite a few times and always got good service and pricing.
Lots of stuff to choose from but sizes and formulations are all there.
http://www.k-mac-plastics.net/index.htm
Larry McFarland 601HDS at www.macsmachine.com
From: owner-zenith701801-list-server(at)matronics.com [mailto:owner-zenith701801-list-server(at)matronics.com] On Behalf Of John Marzulli
Sent: Monday, September 19, 2011 9:38 AM
To: zenith701801-list(at)matronics.com
Subject: [Probable Spam] Re: Zenith701801-List:
Thanks!
Where did you the the UHMP from?
John Marzulli
http://MarzulliPhoto.net/
http://701Builder.blogspot.com/
On Mon, Sep 19, 2011 at 4:22 AM, <ruruny(at)aol.com (ruruny(at)aol.com)> wrote:
First, I also have the rear of the lower green bearing wearing out causing alot of play in the strut front to back.
Kicking my nose tire directly from the front confirms this. I'll replace mine also.
Second, if you look at the way I installed my plastic at the strut top it will stretch out the bungee
more making more friction like Fritz said. The way you did it John, by attaching the nylon to the top of the strut
cap will not stretch it, which is a really good idea. The only possible downside is the nylon is rotating over the
painted firewall instead of the metal cap rotating over the plastic could cause friction. I found everything worked good till paint
was applied and everything was stiffer. If you look near the top of my strut it looks chrome. I had lots of binding with the thick
grey paint around the bearing. I sanded that area to bare metal and put a very light coat of chrome paint and greased the
heck out of it. This eliminated lots of friction.
I also used the plastic at the V area and decreased but did not eliminate the V angles. This worked well to eliminate some
friction.
Go down to the 11th picture on to see.
http://www.701builder.com/LandingGear10.htm
Using UHMW instead of Nylon66 for these bearings has helped alot per the advice given by this 1998 message from the Zenith List.
Originally I did everything in nylon.
You can get it from US plastics or McMaster Carr.
Re: Nylon Bearings
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I contacted Flypass in Canada and asked what they use on the gear leg
| Quote: | bearings if anything.
They responded that they use a material called UHM
"Ultrahigh-molecular-weight polyethylene" - I found it on the web in the
BASF site under their trade name Lupolen.
Flypass said they use this material as it does not absorb moisture like
nylon does. Apparently nylon can swell as the moisture increases. Flypass
said that could be a problem but they did not elabortae on it.
Has anyone used this UHM or know where it is available?
Regards,
Bill Morelli - Vermont
HDS - 6-3798
working center wing
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Even after all this I still have the same issues.
I'm getting used to it though and my landings are better.
Brian
Long Island, NY
46hrs
ist" target="_blank">http://www.matronics.com/Navigator?Zenith701801-Listtp://forums.matronics.com_blank">http://www.matronics.com/contribution |
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