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).
Flywheel data sheet for B.60 and B.80 C.I. engines with Lucas starter motors.
| Identifier | ExFiles\Box 124\2\ scan0049 | |
| Date | 23th February 1940 guessed | |
| FLYWHEEL DATA - B.60 AND B80-C.I ENGINES - LUCAS STARTER MOTOR LEFT SECTION: ENGINE: 8 CYLINDER - C.I.-B.80. CLUTCH: 11" LONG DRAWING NOTE: G.B.-5303 SAME TEETH AND EXTERNAL SHAPE FOR ALL TYPES. GEAR DATA: 148 T 10/12 D.P. RIGHT SECTION: ENGINE: 6 CYLINDER - C.I.-B.60. CLUTCH: 10" LONG GEAR DATA: 148.T. 10/12 D.P. TABLE DATA: 8 CYLINDER - HEAVY: RIM: Drg.Nº GB.5303, INERTIA 898, WEIGHT 19.0 LBS FACE: Drg.Nº GB.5291, INERTIA 463, WEIGHT 16.4 " DISC.: Drg.Nº GB.5292, INERTIA 91, WEIGHT 4.5 " FLYWHEEL COMP.: INERTIA 1452, WEIGHT 39.9 " CLUTCH: INERTIA 450 TOTAL INERTIA: 1902 FLYWHEEL COMPLETE % OF OLD STANDARD: 94%, 78% FOR USE ON-: 31-G-7 REMARKS: LUCAS STARTER 8 CYLINDER - LIGHT: RIM: INERTIA 587, WEIGHT 12.1 LBS FACE: Drg.Nº GB-5291, INERTIA 463, WEIGHT 16.4 " DISC.: Drg.Nº GB-5292, INERTIA 91, WEIGHT 4.5 " FLYWHEEL COMP.: INERTIA 1141, WEIGHT 33.0 " CLUTCH: INERTIA 450 TOTAL INERTIA: 1591 FLYWHEEL COMPLETE % OF OLD STANDARD: 78%, 65% REMARKS: LUCAS STARTER 6 CYLINDER - HEAVY: RIM: Drg.Nº GB.5303 Re 104, INERTIA 1039, WEIGHT 22.8 LBS FACE: Drg.Nº GB-5293, INERTIA 335, WEIGHT 14.3 " DISC.: Drg.Nº GB-5013, INERTIA 67, WEIGHT 3.8 " FLYWHEEL COMP.: INERTIA 1441, WEIGHT 40.9 " CLUTCH: INERTIA 250 TOTAL INERTIA: 1691 FLYWHEEL COMPLETE % OF OLD STANDARD: 92%, 80% REMARKS: LUCAS STARTER 6 CYLINDER - LIGHT: RIM: INERTIA 603, WEIGHT 13.0 LBS FACE: Drg.Nº GB-5293 Re 102, INERTIA 335, WEIGHT 14.3 " DISC.: Drg.Nº GB-5013, INERTIA 67, WEIGHT 3.8 " FLYWHEEL COMP.: INERTIA 1005, WEIGHT 31.1 " CLUTCH: INERTIA 250 TOTAL INERTIA: 1255 FLYWHEEL COMPLETE % OF OLD STANDARD: 68.6%, 61% FOR USE ON-: RIPPLET-2-R-2 REMARKS: LUCAS STARTER | ||