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).
Westinghouse 56 C.G. starting motor tests on a 6-cylinder engine.
Identifier | ExFiles\Box 23\2\ Scan067 | |
Date | 8th February 1921 | |
X. 1086. 4.F-X. Original High Speed Winding ROLLS ROYCE OF AMERICA, INC. WESTINGHOUSE 56 C.G. STARTING MOTOR TESTS ON ROLLS-ROYCE ENGINE - 6 CYL. 4½x 4¾ TEST #1. Feb. 8, 1921. Exide Battery #6-LXR-9, 67 A.H. Sp.{Mr Spinney} Gr.{George Ratcliffe} 1240. R.P.M. VOLTS VOLTS AMPERES AMPERES ENGINE BATTERY MOTOR RUNNING START 100 7.5 6.55 250 325 104 7.5 6.45 250 300 0 4.5 2.75 0 410 0 4.5 2.75 0 400 TEST #2 Willard S.J.W.-28 Battery 90 A.H. Sp.{Mr Spinney} Gr.{George Ratcliffe} 1250. R.P.M. VOLTS VOLTS AMPERES AMPERES ENGINE BATTERY MOTOR RUNNING START 144 10 8.75 240 325 144 9.75 8.75 250 325 144 9.75 8.7 250 330 0 Clutch slipped; could not get locked current. TEST CONDITIONS Starting Motor Cable 27' #00 Temperature 55° F.{Mr Friese} Engine well run in. Revolutions taken for 15 second intervals. R.{Sir Henry Royce} G.{Mr Griffiths - Chief Accountant / Mr Gnapp} Thompson ENGINEER. | ||