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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).
Engine bearing test results log for Test #7 on Allison Bearings.

Identifier  ExFiles\Box 173\2\  img240
Date  23th February 1934
  
27
February 23, 1934.

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

8:25 500 73 42 39 100 8.3
8:30 500 77 52 51 70 5.3
8:35 500 78 58 61 76 5.1
8:40 750 77 62 69 70 4.7
8:45 750 77 63 73 80 5.3
8:46 1000 77 68 76 74 4.8
8:50 1000 77
Stop. Change Oil Gauge.

8:54 1500 76.5 68 77 96 7.2
9:00 1500 78.5 73 81 84 6.7
9:05 1750 82.0 78 84 80 6.7-7.2
9:10 2000 83.5 81 87 77 7.5-8.0
9:14 2000 85.0 82 90 70 7.2-7.7
9:15 2500 86.0 84 93 72 10-10.2
9:20 2500 84.0 86 94 70 9.7-10.2
9:25 3000 85.0 88 101 73 13-13.7
9:28 3000 86.5 89 106 69 12.7-13.5
9:28 3000 87.0 91 107 68 12.5-13.2
9:33 3250 87.0 92 118 74 14.5-15.0
9:38 3250 88.0 94 118 73 14.5-15.0
9:39 3500 88.5 96 123 69 17.0-17.7
9:40 3500 133 62 25.0
3250 127 70
9:41 3500 90 139 70
9:43 3500 91 98 127 72 18.5-19.0
9:45 3500 89.5 98 124 70 16.5-17.5
9:47 3500 88.0 97 123 71 16.2-17.2
9:49 3500 89.0 97 121 70 16.2-17.0
9:51 3500 90.0 98 121
9:52 3750 138
3500 91.0 100 128 74 17-18
9:53 3750 146 25-26
9:54 3500 90 99 126 72 16-17
9:56 3750 91 101 138 70 20.5-21.5
9:59 3750 90 101 129 70 19-20
10:01 3750 91 102 128 72 18-19
10:04 3750 89.5 100 127 71 18-18.7
10:06 3750 89.5 100 127 71 18-18.7
3750 130 21.5-22.5
3850 127
10:08 3750 90 102 146 70 18-19
4000 90 102 132 70 26.5-27.5
10:10 4000 90 102 146 70 18.5-19
3750 92 103 130 70 18.0-18.5
  
  


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