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 report data for Allison bearings.
| Identifier | ExFiles\Box 173\1\ img409 | |
| Date | 6th February 1934 guessed | |
| BEARING TEST ALLISON BEARINGS R.P.M. Time Oil Inlet Oil Outlet Brg. Temp. Oil Pres. lb.sq.in. 150 Torque Load 1000 1:45 70 C 50 C 67 C 120 18 2000 1:50 80 80 81 120 18 2500 1:55 90 85 96 120 18 " " 90 90 104 110 18 3000 2:00 90 92 112 110 18 " " 90 100 112 90 18 3250 2:05 87 100 132 90 25 lbs " " 95 90 132 90 " 2:10 95 100 112 80 18 " " 95 100 112 80 16 lbs. 3500 2:17 90 90 127 70 19 " " 100 100 120 70 18 " " 100 100 120 70 18 " " 95 100 120 70 18 " " 92 100 120 75 18 " 2:27 Stop to check oil gauge " " Check run-new oil gauge " " 90 90 82 17 " 2:35 90 90 120 70 18 " " 95 92 120 70 17 " 2:40 90 95 120 70 17 " " 95 120 68 17 " 3.45 95 95 120 70 17 Shut down end of 20 min. at 3500 Remarks: 70-30 on all but end mains. End mains were 60-40. Center main 1/8" larger diam. flange than Rolls Royce standard. Others same. Lubrication same as Rolls Royce. Crankshaft #3. | ||