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).
List of engine component weights in pounds and ounces.
| Identifier | ExFiles\Box 22\1\ Scan157 | |
| Date | 28th April 1924 guessed | |
| CONTD:- -2- SECTION. DETAIL WEIGHTS. lbs. ozs. WATER PUMP. Water Pump complete. 3 0 PISTONS. 6 Pistons complete with rings, gudgeon pins and lock plates. 11 4 6 gudgeon pins. 2 10 Total weight -- 13 14 OIL PUMP. Oil Pump. 2 2 Oil Pump Drive. 12 Total Weight -- 2 14 DISTRIBUTOR. 2 Distributors and Drive. 13 5 2 Coils. 4 0 Total weight -- 17 5 CARBURETTER. Carburetter and controls. 17 12 EXHAUST PIPE. 20 17 INDUCTION PIPE. 6 10 GEARBOX. Servo Mechanism. 37 6 Gearbox. 88 4 Total weight -- 125 10 STARTER MOTOR. 26 10 TOTAL WEIGHT OF ENGINE UNIT -- 778 8 | ||