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).
Appendix specifying the requirements for a standard reference fuel, detailing the properties for Hexane.
| Identifier | ExFiles\Box 27a\4\ Scan029 | |
| Date | 9th December 1932 guessed | |
| -2- APPENDIX I. STANDARD REFERENCE FUEL. - The standard reference fuel shall consist of a mixture of equal volumes of pure crystallizable Benzene and Hexane to the following requirements. HEXANE.- The material shall be water white and free from visible and odorous impurities. DISTILLATION RANGE. - When distilled under standard conditions 97 per cent. shall distil between 67.50 and 69.50 C. DENSITY. - The desnity at 15C. shall be between 0.685 and 0.695. ANILINE POINT. - The aniline point of the hexane as determined by the I.P.T. shall be as follows:- Before sulphonation - not less than 56.50 C. After sulphonation - not less than 54.0 C. (SIGNED) F.V. HOLT, AIR COMMODORE, DIRECTOR OF TECHNICAL DEVELOPMENT. | ||