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 an experimental 190 HP engine before despatch to Farnborough.
| Identifier | ExFiles\Box 36\2\ scan 011 | |
| Date | 16th February 1916 | |
| R.R. T.M.A. (400 T) (S C. 536. 16-2-16) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 1546. X. 2934. Results obtained from Expl 190 H.P. Engine by E H.{Arthur M. Hanbury - Head Complaints} before despatch to Farnboro'. Average Results of Test Dept. 1st set Speed R.P.M. | H.P. | Lbs/B.H.P. hr. | H.P. | Lbs/B.H.P.hr. --- | --- | --- | --- | --- 1000 | | | 119.8 | .708 1100 | | | 132.7 | .655 1200 | | | 145.0 | .626 1300 | | | 157.0 | .603 1400 | 172 | | 169.0 | .590 1500 | 183.4 | | 182.6 | .568 1600 | 191.7 / 194.5 | .54 | 193.1 | .573 1700 | 204.3 | .54 | 202.7 | .560 1800 | 212.5 | .55 | 209.2 | .579 1900 | 220.1 | | | 2000 | 226 | | 222.0 | .578 [Handwritten Notes in an unheaded column] Time for 4 pints taking .55 figure (Secs) (at 1600 RPM) 121 (at 1700 RPM) 116.5 (at 1800 RPM) 111 [Faint watermark text at bottom] WALLACE & GROMALEY | ||