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Lever Arm Length Calculation 444-544

posted by  planetman on  Sat Feb 26 21:50 CST 2011
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last visit: Fri Oct 24 09:29 CST 2014
[RELATED]

Hello,

I calculated 2.04" or around 2 3/64".

FYI, when you make the bracket, you need to make the arm so that when half travel is attained, that the pin hole is parallel to the travel of the shaft.

This can be done by making the pin hole starting location 17.5° past parallel to the pedal.

If you make the bracket as you have indicated in your drawing, it will probably bind before you can get full travel of the pushrod.

You have to remember that the pin hole will travel in an arc and will cause the end of the shaft attached to the bracket of the clutch master to travel up as the pedal is depressed.

You should also consider adding a simple return spring to help hold the pedal up.

Use a spring to pull forward on the new bracket somewhere below the pivot point.

--
Eric
Hi Performance Automotive Service (formerly OVO or Old Volvos Only)
Torrance, CA 90502






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