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 bearing test results for Allison bearings, including dynamometer data.
Identifier | ExFiles\Box 173\2\ img241 | |
Date | 23th February 1934 | |
February 23, 1934. 28 ROLLS ROYCE ENGINE BEARING TESTS - Test #7 Allison Bearings. TIME R.P.M. OIL INLET °C OIL OUTLET °C BRG. TEMP. °C OIL PRESS. lb/sq.in. TORQUE LOAD 10:13 4000 91 102 140 70 22-22.5 10:16 4000 90.5 103 133 70 21.5-22 10:18 4000 99.5 102 132 71 20.5-21 10:21 4000 88.0 100 131 71 20.2-20.7 10:23 4000 89.0 101 130 72 20.2-20.7 4150 90.5 102 135 31-32 10:25 4250 132 21-21.5 4000 91.0 104 153 70 30-31 4250 90 104 134 74 21-22 10:27 4250 89 105 136 72 24-25 10:30 4250 140 25-26 10:30 1/2 4000 156 28 10:31 4250 132 19.5-20.5 10:32 4000 87 102 137 70 20-26 10:35 4250 90 104 133 70 22-22.5 10:37 4000 90 104 134 70 21-23 10:40 4250 87.5 103 132 70 21-23 10:42 4250 88.5 102 131 71 22-23.5 10:45 4250 90 104 131 25 10:45 1/2 4250- 146 21-23 10:46 4250 136 21-23 10:47 4250 89.5 103 132 70 21.5-22.5 10:50 4250 88.0 102 133 70 21.5-23.0 10:52 4250 90.0 103 133 69 21.5-23.0 10:54 Stop. End of test. Dynamometer Data. General Electric Company. Electric Dynamometer Type TLC-50 250 volts DC 410 amperes. Absorbs 150 HP @ 2200 - 4500 R.P.M. Delivers 120 HP @ 1950 - 4500 R.P.M. Torque arm 21.00 inch. Formula HP Lb.Pull x R.P.M. / 3000 Scale. 300# by Toledo Scale Co., Toledo, Ohio General Electric furnish engine & dyn. bed and adjustable pedestals as well as complete instrument panels. See New York office. | ||