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).
Data log sheet for an Allison Bearings test, specifically Test No. 3, page 4.
| Identifier | ExFiles\Box 173\2\ img121 | |
| Date | 9th February 1934 guessed | |
| Page #4 ROLLS ROYCE BEARING TEST. ALLISON BEARINGS (Test No. 3) Time | R.P.M. | Oil Inlet | Oil Outlet | Brg. Temp. | Oil Pres. lb./sq.in. | Torque Load --- | --- | --- | --- | --- | --- | --- 1:27 | 3250 | 92.5 oC | 100°C | 106°C | 81 | 15-15.5 1:30 | 3250 | 93 | 100 | 104 | 80 | 14.7-15.3 1:35 | 3250 | 89 | 98 | 102 | 88 | 14.2-14.7 1:37 | 2500 | 86 | 96 | 100 | 89 | 14.8 1:39 | 2500 | 92.5 | 102 | 109 | 70 | 27-25 1:41 | 3250 | 92.5 | 101 | 110 | 79 | 14.7-15.7 1:42 | 3500 | Stop Breaker opened when speeding up. 1:44 | 3000 1:45 | 3250 1:46 | 3500 | 90 | 98 | 106 | 80 | 20-18 1:48 | 3250 | 90 | 100 | 107 | 81 | 14-14.5 1:50 | 3500 | 91 | 100 | 106 | 78 | 17.5-18.5 1:51 | 3250 | 90 | 100 | 106 | 81 | 14.0-14.5 1:52 | 3500 | 90.5 | 100 | 106 | 80 | 17-18 1:55 | 3500 | 91.5 | 101 | 106 | 78 | 17-17.5 1:57 | 2500 | 90.5 | 100 | 104 | 80 | 16.7-17.5 2:00 | 3500 | 91.0 | 101 | 106 | 78 | 16.7-17.3 2:02 | 3500 | 91.0 | 101 | 106 | 78 | 16.7-17.3 2:05 | 3500 | 91.0 | 101 | 106 | 79 | 16.7-17.3 Start Diving Test | 3500 | 91.5 | 101 | 108 | 79 | 16.7-17.3 | 2250 | 92.0 | 99 | 104 | 74 1 | 3500 | 91 | 99 | 104 | 80 | 18 | 2250 | 91 | 98 | 104 | 72 2 | 3500 | 90.5 | 97 | 99 | 86 | 17 | 2250 | 90 | 96 | 99 | 74 3 | 3500 | 88.5 | 96 | 99 | 88 | 16.5-17 | 2250 | 88.5 | 96 | 99 | 77 4 | 3500 | 88.0 | 95 | 99 | 88 | 16.5-17 | 2250 | 89.0 | 96 | 100 | 75✓ 5 | 3500 | 88.5 | 94 | 98 | 92 | 16.5-17 | 2250 | 88 | 94 | 98 | 86 6 | 3500 | 88.5 | 93 | 98 | 92 | 16.5-17 | 2250 | 88.0 | 95 | 99 | 79 7 | 3500 | 88.0 | 93 | 98 | 94 | 16.8-17.3 | 2250 | 91 | 96 | 98 | 84 8 | 3500 | 90 | 97 | 99 | 92 | 16.5-17 | 2250 | 90.5 | 96 | 99 | 76 9 | 3500 | 90.5 | 97 | 99 | 89 | 16.7-17.3 | 2250 | 91.0 | 97 | 101 | 72 10 | 3500 | 90.0 | 95 | 99 | 90 | 16.7-17.3 | 2250 | 89.5 | 96 | 99 | 76 11 | 3500 | 89 | 94 | 99 | 92 | 16.5-17.0 | 2250 | 89 | 94 | 98 | 82 12 | 3500 | 89 | 94 | 99 | 90 | 16.7-17.3 | ||