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 comparing the coefficient of friction of Ferodo Fibre and Ferodo Bonded Asbestos at various slipping speeds.
Identifier | ExFiles\Box 26\4\ Scan217 | |
Date | 7th January 1924 guessed | |
FERODO LTD CHAPEL-EN-LE-FRITH DIAGRAM Nº 35 NOTE: WITHIN THE LIMITS OF NORMAL BRAKE PRESSURE µ IS NOT AFFECTED BY DIFFERENCES IN PRESSURES. µ COEFFICIENT OF FRICTION SLIPPING SPEED - FEET PER MIN. FERODO FIBRE FERODO BONDED ASBESTOS STATIC FRICTION LINE THE VALUE OF µ OBTAINED AT TEMPERATURES BETWEEN: { 70° & 260°F FOR FERODO FIBRE { 70° & 550°F FOR FERODO BONDED ASBESTOS WITHIN ± 5% AT THE HIGHER TEMPERATURE. THE GENERAL EFFECT OF TEMPERATURE IS TO INCREASE THE VALUE OF µ. | ||