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).
Specification sheet for Marelli Magnetos for single and twin cylinder engines.
| Identifier | ExFiles\Box 4\5\ 05-page235 | |
| Date | 1st November 1920 guessed | |
| DIRECTORS:- ERCOLE MARELLI - A.{Mr Adams} S. BENNI - A.{Mr Adams} M.{Mr Moon / Mr Moore} BARONI - ITALIAN. ERCOLE MARELLI & Co., Ltd. Sole Agents for FABBRICA ITALIANA MAGNETI MARELLI MILAN - Italy Telephone - CENTRAL 716. Telegrams - AURETTA, LONDON. 143b, Garlick Hill, Queen Victoria Street, LONDON, E.{Mr Elliott - Chief Engineer} C. 4. MAGNETI MARELLI MARELLI MAGNETOS for Single and twin Cylinder Engines | TYPE | Number of Cylinders | Power or bore of Engine | Ignition advance | |---|---|---|---| | a) Motor-Cycles, Small industrial Motors, etc. |||| | M.{Mr Moon / Mr Moore} C. A.{Mr Adams} 1. | 1 | 3 1/2 HP. | 20° | | M.{Mr Moon / Mr Moore} C. B. 1. | 1 | 10 HP. | 35° | | M.{Mr Moon / Mr Moore} C. A.{Mr Adams} 1. D.{John DeLooze - Company Secretary} | 2 | 4 1/2 HP. (double spark) | 20° | | | 2 | 4 1/2 HP. (simultaneous spark) | 20° | | M.{Mr Moon / Mr Moore} C. B. 1. D.{John DeLooze - Company Secretary} | 2 | 12 HP. (double spark) | 25° | | | 2 | 12 HP. (simultaneous spark) | 25° | | M.{Mr Moon / Mr Moore} C. A.{Mr Adams} 2. | 2 | 4 1/2 HP. | 20° | | M.{Mr Moon / Mr Moore} C. B. 2. | 2 | 12 HP. | 25° | | M.{Mr Moon / Mr Moore} C. A.{Mr Adams} V.{VIENNA} | 2 V | 4 1/2 HP. | 20° | | M.{Mr Moon / Mr Moore} C. B. V.{VIENNA} | 2 V | 12 HP. | 25° | | b) Industrial motors, Agricultural Machines, Tractors, Motor-boats, etc. |||| | M.{Mr Moon / Mr Moore} I. D.{John DeLooze - Company Secretary} 1. | 1 | up to 130 m/m bore | 30° | | M.{Mr Moon / Mr Moore} I. T. 1. | 1 | over 130 m/m bore | 30° | | M.{Mr Moon / Mr Moore} I. D.{John DeLooze - Company Secretary} 1. D.{John DeLooze - Company Secretary} | 2 | up to 130 m/m bore (double spark) | 30° | | | 2 | up to 130 m/m bore (simult. spark) | 30° | | M.{Mr Moon / Mr Moore} I. D.{John DeLooze - Company Secretary} 2. | 2 | up to 130 m/m bore | 30° | | M.{Mr Moon / Mr Moore} I. T. 2. | 2 | over 130 m/m bore | 30° | Magnetos for single cylinder engines run at half the engine speed. Magnetos for twin cylinder (parallel) engines with connecting rod at 180°, run at the same speed as the engine. Magnetos for twin cylinder (parallel) engines with parallel connecting rod, run at half the engine speed. Magnetos for twin V cylinder engines run at half the engine speed. Auto - Starters supplied if required: particulars on application. | ||