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 from the US office for a characteristic power curve for the L.H. PII engine.
| Identifier | ExFiles\Box 19\4\ Scan309 | |
| Date | 1st April 1931 | |
| ROLLS-ROYCE OF AMERICA, INC. SPRINGFIELD, MASS. Handwritten Top: 12772 MX{John H Maddocks - Chief Proving Officer} Handwritten Top Right: Will you send this to RR Inc HS{Lord Ernest Hives - Chair} Btn-2 April 1, 1931. Rolls Royce, Ltd., Derby, England. Attention of Mr. E.{Mr Elliott - Chief Engineer} W. Hives. Dear Mr. Hives: Will you please let me have a characteristic power (i.e. torque and speed) curve for the L.H. PII engine as we are getting them, i.e. with the necessary allow-ance made for the loss in the silencers which is not controlled in our cars by the cutout. Yours very truly, Robt. B. Burton Robert B. Burton Chief Engineer - Chassis Div. RBB/VB Handwritten Bottom Left: Ded/Hali. Handwritten Bottom Right: Ho Here is a power curve of a PII L.H engine with standard silencer. The power is 2 to 3 HP down compared with test tackle. OK will you agree and KRP/Sms. Stamp Top Left: RECEIVED APR 14 1931 Stamp Middle Right: RECEIVED 13 APR 1931 Stamp Bottom Left: RECEIVED 19 APR | ||