Instructions detailing the automatic advance characteristics of a Scintilla magneto, type AQ6A.
| Identifier | ExFiles\Box 48\2\ Scan152 | |
| Date | 22th August 1924 | |
| RR 238 (100 BKS) (SH57.29-6-20.) MP 224358 X 87935 ROLLS-ROYCE LTD. INSTRUCTIONS. To: E.Y.C. Date: 22-8-1924 Order No. WA {Mr Wallis} 73 Customer's No. X 4187 Auto-matic advance characteristics of Scintilla magneto type AQ6A NO 34903. We find this magneto to commence its auto-matic advance at a speed of 600 rpm and attain 5° at 760 rpm " 10° " 980 " " 15° " 1190 " " 20° " 1400 " " 25° " 1660 " " 30° " 1950 " " 35° " 2200 " and maximum 38° " 2600 " Hand range 19° Total range 57° (magneto shaft speeds) throughout Signed: H.E.W. This Sheet must be filed on completion of the work. | ||
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).