Further tests of auxilary friction brakes fop APT - E (IM-PS-120A)

Since the previous tests of the Auxiliary Friction Brakes (A.F.B's) (1) were undertaken the need for further tests has been identified:- (a) Double energy tests to simulate 50% brake failure (b) Tests at higher actuation pressures, the limiting valve in the circuit having been removed (2) (c)...