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Re: Clutch Slave

To: "Dr. T. Y. McDowell" <tym@mediaone.net>, Tigers <tigers@autox.team.net>
Subject: Re: Clutch Slave
From: Bob Palmer <rpalmer@ames.ucsd.edu>
Date: Sun, 12 Mar 2000 12:12:36 -0800
Tym,

In case you haven't gotten a private answer to your question, here's a 
belated response.

The standard Tiger clutch slave cylinder bore diameter is 7/8". The 
standard Tiger clutch master cylinder bore diameter is 5/8" (the Alpine is 
3/4"). The movement of the slave versus master cylinder pistons is equal to 
the fluid displaced, which goes as the diameter squared. For 7/8' versus 
5/8" that's 49 versus 25, or about a factor of two more distance traveled 
by the clutch master cylinder piston compared to the clutch slave piston. 
The mechanical advantage of the clutch pedal is about 12"/2.5" = 4.8, or 
pretty close to 5. Thus, in rough numbers, a 1" depression of the clutch 
pedal produces a 0.1" movement of the clutch slave piston. Not much, huh?

Bob

At 01:37 PM 3/11/00 -0500, Dr. T. Y. McDowell wrote:
>Tigers,
>Can anyone out there in Tigerland provide me
>with the size of the bore of the clutch salve and the amount of travel
>of the piston?
>
>Thanks in advance.
>
>Tym McDowell

Robert L. Palmer
UCSD, Dept. of AMES
619-822-1037 (o)
760-599-9927 (h)
rpalmer@ucsd.edu
rpalmer@cts.com


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