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 results for chassis dynamo heating at maximum output.
| Identifier | WestWitteringFiles\F\March1921\ Scan44 | |
| Date | 22th November 1929 | |
| 22.11.29. X.1936 - CHASSIS DYNAMO HEATING TEST RESULTS (MAXIMUM OUTPUT) (Continued) Dynamo. Maximum Gen.Amps. Cut-in Speed. Initial or Air Temp°C Final Temp°C Ther: Field Coil. Remarks. Rotax A.T.12. 11.0 8.4 15.5 81.0 103.0 Makers' setting. U.S.A.Bosch. 9.4 7.8 24.0 57.5 81.3 Makers' setting. WFC. R.R. 2886A (100 T) (S.H 788. 10-12-20) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2947 | ||