Big Father, Small Father at AMC Theatres-River East 21 This Weekend, Oct 16, 2015 (Friday) Festival event in Chicago, IL USA Big Father, Small Father October 16, 2015 at AMC Theatres-River East 21 in Chicago, IL 9:45PM.ind things to do this weekend in Illinois and other fun things to do.
In much the same way that vacuum boosters work, hydraulic power brake boosters rely on a pressure differential to provide braking assistance. The main difference is that it is hydraulic pressure that does the work rather than a vacuum-actuated servo.
Electric brake systems use a battery-operated activator that energizes the electromagnets in the wheels. These kits often include a battery and charger, emergency switch and battery case in one package. What to look for. Disc vs. drum brakes: trailer brakes are either disc or drum brakes. 1  Disc brakes can replace most drum systems with minimum modifications and offer the following advantages over drum brakes: 2  Better resistance to fade when descending a mountain pass or in stop-and-go traffic. 3  Self-adjusting. 4  Greater stopping power.