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).
The falling efficiency and misfiring issues of the RO.1. Magneto.
| Identifier | ExFiles\Box 57\2\ Scan190 | |
| Date | 13th March 1928 | |
| c EFC from Mx{John H Maddocks - Chief Proving Officer} Handwritten: 5-0 (circled) X5790 1320 Mr6/T13.3.28 RO.{C. C. Rose - Export Manager}1. Magneto The efficiency of the above seems to be falling off lately. We have returned several to the Makers on this account, and we now have a sample No.103503 which misses fire on the testing rig with an air pressure of 40 lbs. The misfire occurs on chassis up to speeds of 25 miles per hour. We have always been a bit lenient with regard to the RO.{C. C. Rose - Export Manager}1. Magneto, and we have never been able to get good slow running on this machine, but we do require them to give satisfactory running at speeds of say 10 miles per hour. I shall be glad to hear from you as to what action you propose to take in the matter. In the meantime we shall hold the machine above quoted until we hear from you. Mx{John H Maddocks - Chief Proving Officer} [Signature] | ||