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 comparing power and compression on a Falcon engine with different pipe configurations.
| Identifier | ExFiles\Box 36\2\ scan 055 | |
| Date | 22th August 1917 | |
| R.R. 6 (500 T.) (SD 747 22-8-17) MP 181926 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To __________ Order No. __________ Customer's No. __________ Handwritten Reference: X2934 Handwritten Instruction No.: 191 Tests to see that power follows compression Falcon Table 1: | Revs | With early | With 'mod' pipe 2.0" dia | |---|---|---| | 2000 | 32 | 30 | | 1800 | 34 | 33 | | 1750 | 34 | 34 | | 1700 | 35 | 34 | | 1650 | 35 | Max 35 | | 1600 | 34 | | | 1400 | 35 | | Table 2: | (Revs) | Compo | Comp | Notes | |---|---|---|---| | 2000 | 129 | 130 | Air | | 1700 | 130 | 136 | | | 2000 | 114 | 100 | Mixture | | 1400 | 119 | 117 | | Signed __________ This Sheet must be filed on completion of the work. | ||