Dynamometer tests to establish perameters for the APT-E tread brake (IM-PS-033)

Some of the spray cooling tests of tread braked wheels, described in IMDT8, have been conducted using Steel Peech & Tozer's Dyno-monoter. The first series of these tests, new wheel condition, are now complete and on the knowledge gained, it is found necessary to stage a further series of tests...