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).
Endurance test report for an R. Bosch type FU6R magneto, detailing a misfiring issue.
| Identifier | WestWitteringFiles\S\June1928-August1928\ Scan035 | |
| Date | 21th June 1928 | |
| RR 238 (150 BKS.) (DB{Donald Bastow - Suspensions} 461-8-12 24) MP 306975 ROLLS-ROYCE LTD. INSTRUCTIONS. To E.7.C. Order No. WC113 Customer's No. 21 - 6 - 1928 R Bosch type FU6R magneto No 31859 (Please refer to WC36, WC44 and WC45) for previous information to this magneto) We have now carried out an endurance tests of 20000 miles (bench equivalent). on a bench rig at 2900 r.p.m. with this magneto satisfactorily. Throughout the test the magneto functioned OK except that the spark gap connected to the bottom segment of the distributor misfired on a 5.5 m/m gap owing to sparking across in the distributor presumably due to insufficient surface insulation at that point. An examination of the electrical Signed could This Sheet must be filed on completion of the work. | ||