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 the 'R & W' 9 inch clutch with flexible centre.
| Identifier | ExFiles\Box 129\2\ scan0106 | |
| Date | 2nd September 1935 | |
| THE 'R & W' 9" CLUTCH WITH FLEXIBLE CENTRE., 2 HOLES .25" + .002" DIA., 8 HOLES .3125" + .010" DIA., 10-125" DIA. PITCH CENTRES, 10 3/4" DIA., 5 5/8" DIA., 2 3/4" + .062", CLUTCH 'OUT' POSITION 7/16", CLUTCH 'WORN OUT' POSITION 9/16", FINE MESH GAUZE. TIGHTLY ROLLED., COVER 7 GGE. .176", DETAILS OF SHAFT, SPLINES TO SUIT, R & W. CENTRE., 10 SPLINES, S. M.{Mr Moon / Mr Moore} M.{Mr Moon / Mr Moore} & T., STANDARD NO. 70., 1.170" / 1.150", .1755" / .1725", .9085" / .9070", .010" R.{Sir Henry Royce}, ROPER & WREAKS LTD., OVAL WORKS., SHEFFIELD. | ||