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).
Fuel test comparing two samples of fuel from Holland against 77 and 87 octane standards, graphing detonation intensity.
| Identifier | ExFiles\Box 90a\1\ Scan019 | |
| Date | 12th November 1935 | |
| FUEL TEST ON TWO SAMPLES OF FUEL FROM HOLLAND FIGURES ROUND CURVES SHEW INTENSITY OF DETONATION Graph 1 (Top Left): Title: 77 OCTANE Y-Axis: PINTS / B.H.P. / HR. Y-Axis Values: 7, 6 X-Axis: B.M.E.P. X-Axis Values: 110, 120, 130 Curve Values: 9, 6, 3, 1, 1/2, NIL Graph 2 (Top Right): Title: 87 OCTANE Y-Axis Values: 7, 6 X-Axis: B.M.E.P. X-Axis Values: 160, 170, 180 Curve Values: 15, 9, 6, 3, 1, 1/2 Graph 3 (Bottom Left): Title: SAMPLE 1 Y-Axis: PINTS / B.H.P. / HR. Y-Axis Values: .6, .5, .4 X-Axis: B.M.E.P. X-Axis Values: 210, 220, 230 Curve Values: 35, 30, 18, 15, 7, 2, 1, NIL Graph 4 (Bottom Right): Title: SAMPLE 2 Y-Axis Values: .6, .5, .4 X-Axis: B.M.E.P. X-Axis Values: 220, 230, 240 Curve Values: 28, 1, 3/4, 5/8, 1/2, 3/8, 1/4, 1/8, NIL, NIL, NIL Initials: R.V.M. | ||