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).
Obtaining data from a Hispano engine.
| Identifier | ExFiles\Box 180\M4\M4.1\ img037 | |
| Date | 11th March 1924 | |
| R.R. 493 (40 H) (SL 42 12-7-23). J.H. D.{John DeLooze - Company Secretary} ORIGINAL EXPERIMENTAL REPORT. COPIES TO: RC{R. Childs}, WOR{Arthur Wormald - General Works Manager}, By, E, Da{Bernard Day - Chassis Design}, PN{Mr Northey}, OY, RG{Mr Rowledge} Expl. No. 4214 REF. Hs{Lord Ernest Hives - Chair}2/L.G.11.3.24. OBJECT OF TEST. TESTER. To obtain data of Hispano engine. A.{Mr Adams} C. Lovesey. W. A.{Mr Adams} Robotham. CONDITIONS. Engine run on Test Bench. SUMMARY OF TEST. The chief points of interest in connection with these tests are :- (1) High efficiency of engine. (2) Less range of ignition advance required than EAC. (3) Position of sparking plugs reduce detonation. (4) No definite periodic crankshaft vibration. (5) Valve gear noisy - camshaft drive noisy - piston knocks. (6) Carburetter control (suction type) very erratic. 12 photostats attached Hs.{Lord Ernest Hives - Chair} | ||