Detailed engineering drawing of a clutch assembly.
| Identifier | Morton\M4.2\ img021 | |
| Date | 1st January 1923 guessed | |
| CLUTCH SCALE 1/2 SECTION A B FERODO PLATE 12 SCREWS SPACED AS SHOWN 6 HOLES EQUALLY SPACED TAP .375 DIA. 20 T.P.I. RH. {R. Hollingworth} 12 HOLES EQUALLY SPACED DRILL .437 DIA C'SINK .625 DIA. .150 DEEP 6 HOLES EQUALLY SPACED C'SINK .787 DIA 3 HOLES EQUALLY SPACED DRILL .437 DIA TWIN CONE SPACED DRILL .437 DIA 120 TEETH 15.375 DIA BOTTOM OF TEETH 15.312 DIA TOP OF TEETH 15.575 DIA 15.312 D 14.137 CTS {C. Trot Salt - Carburation} 13.55 13.475 13.125 11.637 CTS {C. Trot Salt - Carburation} 11.250 DIA 10.625 CTS {C. Trot Salt - Carburation} 10.037 DIA 9.850 DIA 9.762 DIA 9.612 DIA 9.075 CTS {C. Trot Salt - Carburation} 8.875 7.862 DIA 1.962 1.775 1.537 1.5 SOCK 1.50R 1.100 .825 .500 .475 .250 .225 .187 DIA .075 .062 | ||
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).