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).
Request for performance curves of the 'Phantom' and 20/25 HP dynamos under different conditions.
| Identifier | ExFiles\Box 163\6\ img272 | |
| Date | 27th February 1933 | |
| Hs{Lord Ernest Hives - Chair}/Wst. A6016 BY/RD2/W.27.2.33. Will you please let us have as early as possible curves of the "Phantom" dynamo as used on "Bensport" with the three-rate-charge scheme, i.e. Output for summer day running. Output for Town or winter day running with S.& T. lamps only. Also, curve showing the output of the 20/25 H.P. standard dynamo on the 20/25 H.P. chassis with the new revised length of resistance for the No.2 position, i.e. Output for Town or winter day running with S.& T. lamps on. BY/RD. | ||