From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Graph illustrating wheel fight characteristics, showing amplitude against frequency cycles.
Identifier | ExFiles\Box 170\3\ img022 | |
Date | 4th March 1936 | |
WHEEL FIGHT ON 9"x1" CAMS TYPICAL CONDITION. AMPLITUDE END OF HIGH FREQUENCY CYCLE COMING. DOWN. START OF LOW FREQUENCY CYCLE START OF HIGH FREQ. CYCLE. GOING UP A = LOW FREQ. CYCLE (CHIEFLY WHEEL FLAP) B = HIGH FREQ. CYCLE (CHIEFLY WHEEL HOP) STIFF FRONT SHOCK ABSORBERS MAY SPREAD 'B' UP TO 700 v/MIN. OR MORE. STIFF STG. GEAR MAY SUPPRESS 'A' - MAKES 'B' VIOLENT SOFT STG. INCREASES 'A' MAY SUPPRESS 'B'. OLLEY MAR. 4/ '36 | ||