Rolls-Royce Archives
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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).
Test report sheet for measuring valve dimensions and pocketting before and after a test.

Identifier  ExFiles\Box 97\5\  scan0160
Date  14th November 1938
  
UNIT No B-V-7
VALVE DIMENSIONS
PASSED TO TEST / 14-11-38
COMPLETED TEST
INLET VALVES:
CYLINDER HEAD EW-1922
EXHAUST VALVES: EW1853-KE965
RUNNING TIME: -
MILEAGE: 26,366
LENGTH
2.000
DIA. 'A'
1.350
DIA. 'B'
POCKETTING
"A" "B" "A" "B"

TABLE 1:
No, LENGTH (BEFORE, AFTER, DIFFERENCE), DIA. 'A' (BEFORE, AFTER, WEAR), DIA. 'B' (BEFORE, AFTER, WEAR)
INLET
1
4
5
8
9
12
EXHAUST
2: 4.431, 4.432, .001, .3402, .3401, .0001, .3402, .3395, .0007
3: 4.432, 4.438, .006, .34025, .3401, .00015, .34025, .3396, .00065
6: 4.432, 4.438, .006, .34025, .3401, .00015, .34025, .3395, .00075
7: 4.432, 4.442, .010, .34025, .340, .00025, .34025, .3397, .00055
10: 4.432, 4.437, .005, .34025, .3401, .00015, .34025, .3393, .00095
11: 4.432, BROKEN, -, .34025, .3401, .00015, .34025, .3391, .00115

TABLE 2: POCKETTING
No, DIM. 'A' (BEFORE, AFTER, DIFFERENCE), DIM. 'B' (BEFORE, AFTER, DIFFERENCE)
INLET
1
4
5
8
9
12
EXHAUST
2
3
6
7
10
11
(Table is empty)
  
  


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