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).
Test results for a new induction pipe, showing fuel mixture strength across cylinders at various engine speeds.
| Identifier | ExFiles\Box 75\2\ scan0292 | |
| Date | 28th October 1922 | |
| RR 26 (10M BKS) (SH 688 5-11-20) MP 231103 ROLLS-ROYCE LTD. INSTRUCTIONS. To Mr Hives Order No. Customer's No. We have tried the new Induction pipe with the following results no heat applied to pipe. Carburettor 1 notch weak | 2000 revs | No 3+6 weak, " 1 strong 2 weak | 1750 revs | 3+4 very weak, 6 weak, 1 strong normal | 1500 | 3+4 weak, 1 strong 3 weak | 1250 | 2+5 weak, 1+6 strong 2 weak | 1000 | 2 very weak, 5 weak, 1+6 strong Signed: Continental test 2 This Sheet must be filed on completion of the work | ||