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).
Engine test bed instructions and results for a Copt induction pipe with the carburetter on the exhaust side.
| Identifier | ExFiles\Box 75\2\ scan0293 | |
| Date | 12th January 1923 | |
| RR 26 (1OH BKS) (SH 688 5-11-20) MP 231103 X 2758 ROLLS-ROYCE LTD. INSTRUCTIONS. To Mr Hines Order No. Engine Test Bed Customer's No. Distribution on Copt Induction Pipe Carburetter on Ex Side No heat to Carb Water Cold DISTRIBUTION RPM | 1 | 2 | 3 | 4 | 5 | 6 | LBS | H | Con 500 | VS{J. Vickers} | SS{S. Smith} | W | - | W | S | 94 | 19.5 | - 750 | OK | VSW | OK | W | W | SS{S. Smith} | 111 | 34.5 | 31 1000 | OK | OK | OK | OK | VSW | OK | 118.5 | 48.5 | 37.5 1250 | OK | VSW | OK | OK | VSW | OK | 116 | 60.25 | 47.5 1500 | VSW | VSW | OK | VSS | W | SS{S. Smith} | 114.5 | 72 | 55 1750 | OK | OK | OK | OK | OK | OK | 111.5 | 81 | - 2000 | VSW | OK | OK | VSW | OK | SS{S. Smith} | 103 | 86 | - No heat to Carb Water 80° 500 | VS{J. Vickers} | SW | W | W | SW | S | 102 | 21 | 20.5 750 | S | VSW | S | SW | SW | VSS | 105 | 34 | 28 1000 | OK | SW | OK | SW | W | OK | 119 | 47 | 36 1250 | VSW | W | OK | OK | W | VSS | 111 | 57.25 | 44 1500 | SW | W | OK | OK | W | VSS | 109 | 68.5 | 51 1750 | OK | SW | OK | OK | W | VSS | 110 | 80 | 58 2000 | OK | VSW | OK | VSW | OK | VSS | 105.5 | 88 | - Signed This Sheet must be filed on completion of the work | ||