Short-shoe drum brake with parameters in the following section and with parameters μ = 0.3, a = 1.2 m, b = 0.3 m, c = 100 mm, r = 0.4 m, 30 kW power, 1000 rpm. It is obtained by rotating in.
- Draw the Free Body Diagram (FBD) for the brake.
- Draw FBD for the drum.
- Find the braking force, F, and is the brake self-locking? Determine.
- Find the reaction forces at pin A.
- Find the reaction forces on pin O.