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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.

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
  
  


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