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).
Measurement chart and diagram for cylinder bore diameters on a Beveridge G.S. CX. Unit.
| Identifier | ExFiles\Box 5\1\ 01-page159 | |
| Date | 30th May 1931 | |
| BEVERIDGE G.S. CX.{Major Len W. Cox - Advertising Manager} UNIT DIAS. OF CYL. BORES AT POINTS GIVEN TABLE OF MEASUREMENTS: |-----------------DIMENSIONS TAKEN AT-----------------|---WEAR TAKEN AT---| | CYL | | MOUTH | CENTRE | CROWN | CENTRE | CROWN | |-----|---------|-----------|-----------|-----------|---------|---------| | 1 | A | 3.250 | 3.251 | 3.252 | .001 | .002 | | | B | 3.250 | 3.251 | 3.2525 | .001 | .0025 | | | C | 3.250 | 3.2515 | 3.252 | .0015 | .002 | |-----|---------|-----------|-----------|-----------|---------|---------| | 2 | A | 3.250 | 3.2515 | 3.252 | .0015 | .002 | | | B | 3.250 | 3.251 | 3.252 | .001 | .002 | | | C | 3.250 | 3.2515 | 3.2517 | .0015 | .0017 | |-----|---------|-----------|-----------|-----------|---------|---------| | 3 | A | 3.250 | 3.2515 | 3.253 | .0015 | .003 | | | B | 3.250 | 3.253 | 3.2525 | .003 | .0025 | | | C | 3.250 | 3.2515 | 3.2525 | .0015 | .0025 | |-----|---------|-----------|-----------|-----------|---------|---------| | 4 | A | 3.2498 | 3.253 | 3.2538 | .003 | .004 | | | B | 3.250 | 3.253 | 3.253 | .003 | .003 | | | C | 3.2498 | 3.2515 | 3.2515 | .0017 | .0017 | |-----|---------|-----------|-----------|-----------|---------|---------| | 5 | A | 3.2498 | 3.252 | 3.2515 | .002 | .0015 | | | B | 3.250 | 3.251 | 3.251 | .001 | .001 | | | C | 2.250 | 3.252 | 3.2512 | .002 | .0012 | |-----|---------|-----------|-----------|-----------|---------|---------| | 6 | A | 3.250 | 3.253 | 3.253 | .003 | .003 | | | B | 3.250 | 3.2525 | 3.2525 | .0025 | .0025 | | | C | 3.250 | 3.2513 | 3.2512 | .0013 | .0012 | DIAGRAM LABELS: Side View: CROWN CENTRE MOUTH FRONT OF ENGINE Dimensions: 7.125, 3.500 Top View: Measurement axes: A, B, C Angle: 60° STAMP: ROLLS-ROYCE LTD PRINT ROOM MAY 30 1931 DERBY. | ||