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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
  
  


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