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.
| Identifier | ExFiles\Box 173\2\ img120 | |
| Date | 9th February 1934 guessed | |
| Page #3 ROLLS ROYCE BEARING TEST, ALLISON BEARINGS (Test No. 3) TIME R.P.M. OIL INLET °C OIL OUTLET °C BRG. TEMP. °C OIL PRESS. lb/sq.in. TORQUE LOAD 10:40 300 5.5 11:10 800 70 58 56.5 120+ 7.0 11:15 1000 72.5 60 60 120+ 6.0 11:20 1000 74 63 61 120+ 8.5 11:25 1400 77 69 67 120+ 7.0 11:30 1450 80 76 75 120+ 6.8 1450 82 77 77 120+ 12-14 11:35 2000 83 81 80 120+ 7.0 11:36 1500 85 82 82 110 9-10 11:40 2000 86 83 81 120+ 8.5-9.5 11:45 2000 86.5 86 84 110 8-9 11:50 2000 88.5 88 85 105 8-9 11:55 2000 89.0 89 86 100 8-9 12:00 2000 88.0 90 88 95 8-9 12:03 2000 89.0 88 88 106 10-12 12:05 2500 89.5 92 96 97 6-8 12:07 2000 91.0 92 94 93 10-12 12:09 2500 90.5 92 94 96 6-8 12:11 2000 90.5 92 94 93 10.5-11.5 12:15 2500 90.0 92.5 98 92 10.7-11.3 12:20 2500 90.5 93.5 98 90 10.7-11.3 12:25 2500 92 94.0 96 92 10.2-10.8 12:30 2500 91 93.0 96 94 10.2-10.8 12:34 2500 90 93.0 94 88 17-15 12:35 2750 90 95.0 98 88 9.7-10.3 12:37 2500 90.5 96.0 96.0 89 12-13 12:39 2750 90.5 95.0 98 90 9.7-10.3 12:40 2500 90.5 95.0 98 90 12.5-13.5 12:43 2750 90 94 98 86 12.5-13.5 12:45 2750 91 96 100 101 12-13 12:50 2750 92 97 97 86 18-15 12:55 2750 93 98 101 77 12.2-12.8 12:57 3000 92 100 108 87 18-15 12:59 2750 91.5 98 104 86 12.2-12.8 1:01 3000 92 98 102 89 18.8-14.3 1:03 2750 90 97 102 89 11.5-12.0 1:05 3000 90 97 101 90 13.7-14.3 1:10 3000 88 98 101 89 13.5-14 1:15 3000 92 99 102 85 13.5-14 1:20 3000 90 97 102 89 13.5-14 1:22 3250 87 98 106 74 25-22 1:24 3000 90.5 88 106 80 . 12.5-13.0 1:26 3250 92 99 106 78 17.5-18.5 1:28 3000 93 100 106 80 12.5-13.0 | ||