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).
Blueprint of a clutch arrangement for a 1750cc Alfa Romeo.
| Identifier | ExFiles\Box 124\5\ scan0078 | |
| Date | 13th April 1932 | |
| Ex 8226 6 PLATES LINED WITH FERODO BONDED ASBESTOS FLYWHEEL 1ST MOTION SHAFT STEEL PLATES NOTES 1) TOTAL FRICTION AREA = 127 SQ.INS 2) SPRING PRESSURE = 114 LBS 3) TORQUE REQUIRED TO SLIP CLUTCH = 100 LBS/FT 4) MAXI. POSSIBLE SEPARATION OF PLATES = .200 5) COEFFICIENT OF FRICTION = .353 DEVELOPED VIEW SHOWING ATTACHMENT OF FRONT PLATE TO INNER MEMBER PART SECTION LOOKING ON FRONT PLATE WITH OUTER MEMBER REMOVED ROLLS-ROYCE, LTD. PRINT ROOM APR 13 1932 DERBY. Ex8226 ARRGT OF CLUTCH - 1750 CC ALFA - ROMEO SCALE 1/1 | ||