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).
Parts list detailing components, quantities, materials, reference numbers, and weights for a gearbox assembly.
| Identifier | ExFiles\Box 136\2\ scan0413 | |
| Date | 13th March 1944 guessed | |
| Continued :- -2- DESCRIPTION. No. MATL. REF. WEIGHT. Retaining plate - reverse and side shaft. 1 S } 11 .1563 Bolt - plate. 1 S } Nut - Bolt. 1 S } Grover Washer - nut. 1 S } Layshaft. 1 S 12 1.0703 Inner syncromesh cone. 1 S } Outer syncromesh cone. 1 S } 13 1.9063 Lining - inner cone. 2 BZ } Driven gear - first speed. 1 S } Coupling - gear. 1 S } 14 2.6875 Driven gear - second speed. 1 S } Bush driven gear. 1 BZ } Thrust washer gear. 1 BZ } 15 2.3906 Thrust washer gear. 1 S } Driven gear - third speed. 1 S } Coupling - gear. 1 S } Bush - coupling. 1 BZ } 16 1.6563 Thrust washer - gear. 1 S } Section B Total. 26.8846 Total Gearbox Weight. 58.9612 Weight with clutch parts. 70.8557 | ||