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Old 04-12-2023, 10:41 PM   #38
GeneBob
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Join Date: May 2017
Location: Denver Area
Posts: 426
Default Re: Brake improvement for Model A's

Maybe a nit-pick but several posters mentioned "self actuating" brakes. That would be very scary. When the brake shoes help to add to the braking power it is "self energizing". The "leading" brake shoe rotates to add pressure to the "trailing" shoe through the adjuster when the flathead Ted's kit is installed. This makes the mechanical brakes act more like modern drum brakes.
On more modern drum brakes the transfer of added load to the trailing shoe happens through the adjuster or self adjuster when present.
Self actuating brakes would make life more exciting!
BTW, the added power of the self energizing portion of the braking can be 15%. That is a big help.

Last edited by GeneBob; 04-13-2023 at 07:21 PM. Reason: Reworded for clarity of leading and trailing shoes, not front and back.
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