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 octane value and anti-detonating qualities of two fuel samples from Holland.
| Identifier | ExFiles\Box 90a\1\ Scan018 | |
| Date | 13th November 1935 | |
| C.T.S. Investigate Please Rm{William Robotham - Chief Engineer} To - Mr. Van Goroam. c. to Hs.{Lord Ernest Hives - Chair} and Bv. OCTANE VALUE OF TWO SAMPLES OF FUEL. Two samples of fuel from Holland were submitted for test on the Single Cylinder Units, investigation of their anti-detonating qualities only being desired. Consumption loops run with these fuels are shown together with typical loops on fuel of 77 and 87 octane value, all tests being carried out on one unit under similar running conditions. These tests show that, as far as detonation is concerned, both fuels may be used as an alternative where a fuel of 87 octane value is otherwise specified. Rm{William Robotham - Chief Engineer} You may be interested in this note. The appreciation in knock rating is unexpectedly high. Hs{Lord Ernest Hives - Chair}/Wd.{Mr Wood/Mr Whitehead} Sample No1 50 Ben / 50 Shell No1 + 2 TEL '' No2 '' '' + 3 TEL Attach print of curves. | ||