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Re: Spring for Spitfire Clutch Mast

To: SeanFJohns@aol.com
Subject: Re: Spring for Spitfire Clutch Mast
From: Greg Meboe <meboe@wsuaix.csc.wsu.edu>
Date: Sun, 18 Dec 1994 13:25:22 -31802 (PST)
On Fri, 16 Dec 1994 SeanFJohns@aol.com wrote:

> I took apart my clutch master cylinder since it had no action; turns out the
> internal spring was in three pieces.  None of my catalogs has the spring sold

Sean,
        Nearly every late spit master cyl I've taken apart has had this 
problem.  The early spit/GT-6/any other TR springs I've taken apart don't 
ever seem to be broken.
If my memory is correct, the early ones aren't CAD-2 plated like the later ones.
  From Shigley & Mishkey, or whatever your favorite spring/fastener/bearing 
engineering textbook is, you'll note that Fatigue life of any given 
sample part is decreased around 50% with electrolytic surface plating.  
I've always just replaced the later springs with earlier ones.  
        Do try TRF, Moss, Vicky Brit, Triumph Tune, etc.  I imagine one of 
them will have it.
        If you really can't find the spring by itself, mail me back, and I'll 
send you one of the early, unplated ones when I get back to my shop after 
finals 
are done. 

                Greg
                            Greg Meboe     meboe@wsuaix.csc.wsu.edu
                            Dept. of Mechanical and Materials Engineering
                            Washington State University,  Pullman, Wa.
                            '85 XJ-12 H.E. (daily)  '67 Spit-6 '74 TR-6




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