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).
Departmental memo detailing specifications and modifications for engine components including piston rings, induction pipe, carburettor, coil, magneto, and tappets.
| Identifier | ExFiles\Box 3\1\ 01-page035 | |
| Date | 30th April 1912 guessed | |
| R.R. Co. Ltd. O&D Stp. 15,000 E.P. 104 ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS- "ROYCAR," DERBY. TELEPHONES- 813 (Two Lines). DEPARTMENTAL MEMO. This column is for Name of Person addressed. DATE. standard double rings ) 4 lbs 8 ozs. ie 7 ozs lighter than standard. Compressions by guage 78 lbs. Liners have been supplied with the car so that the compressions could be altered if desirable. LARGE DIAMETER INDUCTION PIPE 2½" diameter with improved shape à la{L. A. Archer} Sluggard. WHITE KNAVE CARBURETTOR. WEAK COIL with ½" spark has been supplied with the car, but not at present fitted. NEW ARRANGEMENT OF HIGH TENSION WIRES, to avoid pre-ignitions etc. MRA MAGNETO. With properly designed high tension terminal connections. The engine does not seem to run well, slow, on this magneto. SPECIAL TAPPETS WITHOUT KEYWAY, 2 flats fixed on body of tappet for adjusting. Contd. This sheet must be filed with the correspondence to which it refers. | ||