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Posted by Chriscase [76.221.176.3] on Tuesday, December 29, 2009 at 14:36:48 :
In Reply to: Manual Hydralic Lever posted by David [128.154.36.92] on Tuesday, December 29, 2009 at 13:43:44 :
Electric ones are used in drag racers to keep them on the line until the flag drops.
Far as I know, Mico is the only manual one. Used in tow trucks to keep all four wheels locked against a winch pull. they do leak down in a dew minutes, hence they are NFG as a psrking brake, and do nothing in the case of a hydraulic failure, so also NFG as an 'emergency brake'.