... with a mass of 140 grams (g). A coefficient of friction/= 0.3 can be achieved. The inner diameter of the drum is 75 mm, and the radius Rto the center of gravity of each shoe ... padse Angular position of actuation force, deg0 Angle of wrap, deg0 Angular position, deg01 Starting position of brake shoe lining, deg02 Ending position of brake shoe lining, ... acceleratethe load. The character of the prime-mover out-put torque and of the load torque also influ-ence the designer's selection of torque capacity.Gagne [30.4] recommended...