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[Healeys] wiring front shocks

To: healeys@autox.team.net
Subject: [Healeys] wiring front shocks
From: Norman Nock <sjnnock@sbcglobal.net>
Date: Sun, 13 Sep 2009 12:34:24 -0700 (PDT)
Bob Spidal ... If you would check in my Tech Talk book page 182 you will see a
drawing I did when I wired my front shocks on my Healey many years ago ..
Norman Nock

--- On Sun, 9/13/09, Bob Spidell <bspidell@comcast.net> wrote:

From: Bob Spidell <bspidell@comcast.net>
Subject: Re: [Healeys] Stripped shock mount nut
To: "Steve B. Gerow" <steveg@abrazosdata.com>
Cc: "healeys@autox.team.net" <healeys@autox.team.net>
Date: Sunday, September 13, 2009, 8:18 AM

re: "I know racers and aviation don't trust lockwashers"

Neither did Carroll Smith.  I think with aircraft the issue is that if for
some reason the fastener loosens with a lockwasher, it'll eventually come
loose. Safety wiring all but prevents that from happening.  Also, the point of
properly torquing a bolt is to apply the correct tension by stretching the
bolt; if you use a lockwasher that may not be possible (AFAIK, safety wiring
is not meant to keep tension on the fastener, just to keep parts from coming
apart).

That said, I think lockwashers have their place.  For instance, I began using
hardened flatwashers with locktite on aluminum parts, like the shock mounts (I
know, the shock bodies are a "dirty" Al/Zn compound).   However, when I tried
that on the rear shock mounts the bolts would loosen without a lockwasher
under the nut.

Note that safety wiring is a skill; aircraft mechanics spend quite a bit of
time learning how to do it properly (see: FAA AC43-13).  I suspect most
shadetree mechanics aren't quite as well trained.


bs
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