Mailing List lml@lancaironline.net Message #14117
From: Marvin Kaye <marv@lancaironline.net>
Subject: Re: [LML] Oversize Piano Hinge Pin Vendors?
Date: Wed, 26 Jun 2002 02:32:21 -0400
To: <lml>


Posted for "Christopher Zavatson" <Christopher.Zavatson@udlp.com>:
Larry,
The Gary Hall kit (smaller OD stainless wire in a Teflon tube) will
prevent further wear of the hinge by eliminating the metal to metal
contact.  If, however, the holes are worn already you may still have a
lot of slop in the hinge.  You may need to replace the hinge.  Measure
the hole ID to see what you have.  New MS20001-2 through -6 and -9
through -12 has a hole diameter of .093 +.005/-.000.  The hinge pin is
.089 +/-.001.  Every hinge I have measured so far has come out on the
large side when new: .096-.097.  That is a lot of play right out the
box.  Another option is to use .094 stainless wire(standard size) or
stainless 3/32 welding wire(.09375).  You may need to ream the new hinge
material to clean up the ID (reamers available in .0005" increments from
McMaster, .0955 works well).
Chris Zavatson
N91CZ

LHenney@dellepro.com 06/25/02 03:55PM >>>
My aileron hinges are getting a little loose.  I seem to recall
discussions of oversize pins and / or teflon coated pin material.  The
ACS catalog only lists .089 pin material which I am assuming is the
standard size pin.  I suspect a little oversize would be appropriate.

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