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 results log for an 80-minute duration test, detailing temperatures, oil pressure, and RPM.
| Identifier | ExFiles\Box 77\2\ scan0039 | |
| Date | 9th October 1918 | |
| Page 2. TEST 3. 80 minutes duration. Oil consumption 7.2 pts. per hour. Speed - Engine opened full out for 10 minutes every ½ hour. Time mins. Atmos.Temp. Engine Temp. Tank Temps. Oil Pressure R.P.M. Inlet Outlet. 10 0°C 64 78 69 37 1650 20 - 1 54 83 75 37 1650 30 - 1 65 93 84 34 2000 40 2 57 80 78 35 1660 50 2 62 87 80 32.5 1650 60 1 58 93 84 35 2000 70 3 63 87 80 40 1660 80 3 55 87 80 38 1650 Oil pressure starting up 95 lbs. R.P.M. on ground 1620. Samples of the L.1. oil before and after use are being forwarded to-night, under separate cover, for analysis. (Sgd) T.M.Barlow Major. Chief Experimental Officer, Aero.Exp. Station. (Sgd) T.O.B. Hubbard. Major. Commandant, Aeroplane Experimental Station. MARTLESHAM HEATH. Ref. TR.{Capt. F. W. Turner - Finance}136. Oct.9th,1918. | ||