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).
Schematic diagram of a clutch assembly, including top-down and cross-section views.
| Identifier | ExFiles\Box 128\2\ scan0122 | |
| Date | 28th January 1932 guessed | |
| TYPE 11 A-3 MODEL BORG & BECK CO. CHICAGO ILL. U.S.A. PATENT PENDING 13 3/8 12.625±.0025 B.C. RECOMMENDED CAP SCREW SIZE 3/8-16 U.S. THREAD SPECIAL CAP SCREW .3735±.001 .377±.001 COUNTERBORE BODY FIT SHOULD ENTER COUNTERBORE 1/8" NOTE: IF CLUTCH IS TO BE INSTALLED IN S.A.E. BELL HOUSING, HOUSING SHOULD BE LOCATED 2 15/16" BACK FROM FRICTION FACE. 15/64 .377±.001 REAM 8-HOLES EQ. SPACED RELEASE POSITION NEUTRAL ENGAGED POSITION -16 U.S. THD. 8-HOLES EQUALLY SPACED PILOT DIA. OF CAP SCREW TO ENTER COUNTERBORE & 3 3/32 MAX. SECTION ABCDE The Borg & Beck Company Chicago, Illinois FORM S-1171 PRINTED IN U.S.A. | ||