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).
Test report for a Scintilla magneto AG.6A, detailing its slow and high-speed sparking characteristics.
| Identifier | ExFiles\Box 48\2\ Scan100 | |
| Date | 15th May 1924 | |
| RR 238(150 BKS.)(SH57.29-6-20.) MP 224358 X.4187 ROLLS-ROYCE LTD. INSTRUCTIONS. To E.Y.b. 15-5-1924 Order No. W.A.29 Customer's No. X 4187 Scintilla magneto AG.6A off- 7G 11 This magneto has been tested to ascertain its slow speed sparking characteristics They are as follows:- (5.5 m.m gaps) Advance position 250 r.p.m Central " 260 " Retard " 280 " The magneto was also tested at high speeds for regular sparking on 5.5 m.m gaps and was found to be quite OK. Signed H.E.W. This Sheet must be filed on completion of the work. | ||