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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).
Merlin crankshaft bending test results showing journal deflections under varying loads and directions.

Identifier  ExFiles\Box 132\1\  scan0080
Date  3rd October 1938
  
3.10.38

MERLIN CRANKSHAFT BENDING TEST

CRANKSHAFT DETAILS D 4475 (VCM 3250, RR D8)

TABLE OF DEFLECTIONS OF JOURNALS FOR VARYING LOADS APPLIED AT THE CENTRE JOURNAL IN VARYING DIRECTIONS (SEE BL 2211 SHEET 5)

240° TO WEBS 1&6
LOAD
JOURNAL
2
3
4
5
6
200 LBS
.0068
.0135
.0161
.0137
.0075
300 "
.0101
.0199
.0241
.0205
.0113
400 "
.0141
.0271
.0326
.0278
.0152
373 "
.0138
.0255
.0303
.0255
.0138

120° TO WEBS 1&6
LOAD
JOURNAL
2
3
4
5
6
200 LBS
.0063
.0116
.0127
.0116
.0069
300 "
.0096
.0169
.0193
.0168
.0098
400 "
.0128
.0222
.0256
.0226
.0131
373 "
.0121
.0208
.0239
.0208
.0121

40° TO WEBS 1&6
LOAD
JOURNAL
2
3
4
5
6
200 LBS
.0060
.0119
.0146
.0121
.0065
300 "
.0097
.0179
.0219
.0183
.0101
400 "
.0128
.0239
.0291
.0247
.0134
373 "
.0121
.0225
.0272
.0225
.0121

20° TO WEBS 1&6
LOAD
JOURNAL
2
3
4
5
6
200 LBS
.0055
.0101
.0127
.0107
.0069
300 "
.0089
.0160
.0192
.0162
.0091
400 "
.0114
.0209
.0257
.0216
.0123
373 "
.0109
.0198
.0237
.0198
.0109

ALONG WEBS 1&6
LOAD
JOURNAL
2
3
4
5
6
200 LBS
.0053
.0093
.0109
.0095
.0053
300 "
.0081
.0139
.0166
.0144
.0084
400 "
.0107
.0187
.0223
.0193
.0111
373 "
.0102
.0177
.0208
.0177
.0102

TABLE III
BL 2211 SHEET 7
  
  


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