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.
There are two main types of trailer brakes, hydraulic and electric. Hydraulic brakes are just like the ones on your car, a hydraulic master cylinder pushes fluid to the pistons on the wheel hubs on each axle, operating the brake pads, slowing down the trailer. These are commonly found on boat trailers and some others.