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Cylinder bore dimension measurements for Block EB 2929 before and after a 16,000-mile test.


Identifier  ExFiles\Box 83\2\  scan0042
Date  19th March 1937
  
B.4. UNIT
CYLINDER BORE
DIMENSIONS.
BLOCK EB 2929 PASSED TO TEST 24-12-36
HAS COMPLETED 16,000 MILES IN FRANCE
CROWN CENTRE MOUTH
TABLE DATA:
No | POSITION | CROWN (BEFORE, AFTER, DIFF) | CENTRE (BEFORE, AFTER, DIFF) | MOUTH (BEFORE, AFTER, DIFF)
1 | AA {D. Abbot Anderson} | 3.5003, 3.5019, .0016 | 3.5008, 3.5025, .0017 | 3.5007, 3.5020, .0013
1 | BB | 3.5003, 3.5035, .0032 | 3.5006, 3.5025, .0021 | 3.5004, 3.5005, .0001
1 | OVALITY | NIL, .0016, +.0016 | .0002, NIL, -.0002 | .0003, .0015, +.0012
2 | AA {D. Abbot Anderson} | 3.5005, 3.5020, .0015 | 3.5007, 3.5020, .0013 | 3.5002, 3.5010, .0008
2 | BB | 3.5005, 3.5036, .0031 | 3.5008, 3.5027, .0019 | 3.5009, 3.5016, .0007
2 | OVALITY | NIL, .0016, +.0016 | .0001, .0007, +.0006 | .0007, .0006, -.0001
3 | AA {D. Abbot Anderson} | 3.5004, 3.5030, .0026 | 3.5008, 3.5034, .0026 | 3.5003, 3.5035, .0032
3 | BB | 3.5005, 3.5040, .0035 | 3.5009, 3.5024, .0015 | 3.5008, 3.5004, .0004
3 | OVALITY | .0001, .001, +.0009 | .0001, .001, +.0009 | .0005, .0031, +.0026
4 | AA {D. Abbot Anderson} | 3.5004, 3.5026, .0022 | 3.5007, 3.5025, .0018 | 3.5001, 3.5017, .0016
4 | BB | 3.5005, 3.5035, .003 | 3.5010, 3.5039, .0029 | 3.5009, 3.5024, .0015
4 | OVALITY | .0001, .0009, +.0008 | .0003, .0014, +.0011 | .0008, .0007, -.0001
5 | AA {D. Abbot Anderson} | 3.5005, 3.5020, .0015 | 3.5003, 3.5022, .0019 | 3.500, 3.5010, .001
5 | BB | 3.5005, 3.5030, .0025 | 3.5006, 3.5027, .0021 | 3.501, 3.5019, .0009
5 | OVALITY | NIL, .001, +.001 | .0003, .0005, +.0002 | .001, .0009, -.0001
6 | AA {D. Abbot Anderson} | 3.5003, 3.5022, .0019 | 3.5007, 3.5026, .0019 | 3.5004, 3.5016, .0012
6 | BB | 3.5004, 3.5028, .0024 | 3.5008, 3.5026, .0018 | 3.5007, 3.5013, .0006
6 | OVALITY | .0001, .0006, +.0005 | .0001, NIL, -.0001 | .0003, .0003, NIL
BORES Nos 3 & 4 SCORED BY BROKEN VALVES
PW 19/3/37
  
  
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).


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