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).
Table showing cylinder wear particulars for July 1939, measured in thousandths of an inch.
| Identifier | ExFiles\Box 103\2\ scan0001 | |
| Date | 2nd August 1939 | |
| To By.{R.W. Bailey - Chief Engineer} from Pk/KC/FED. c. to Rm.{William Robotham - Chief Engineer} Rm{William Robotham - Chief Engineer}/GWH.{George W. Hancock - Head Chateauroux} ✓ File. W/Kingsbury. 2nd: August 1939. PARTICULARS OF CYLINDER WEAR DURING JULY, 1939. Shewing amounts plus nominal and oval in thousandths of an inch. | Date | Chassis | Mlg. | No: 1. | No: 2. | No: 3. | No: 4. | No: 5. | No: 6. | Remarks. | |---|---|---|---|---|---|---|---|---|---| | 1:7:39 | B.127"G.P." | 42065 | .007 .002 | .006 .001 | .0075 .0025 | .006 .002 | .005 .001 | .006 .001 | 4 +1 | | 4:7:39 | B. 71 F.C. | 23225 | .008 .004 | .0105 .006 | .007 .002 | .007 .002 | .006 .002 | .006 .002 | | | 3:7:39 | B.166"I.S." | 7715 | .0025 Nil | .0025 .0005 | .003 Nil | .003 .001 | .0025 .0005 | .002 .0005 | 1&2 +½.Rebore. | | 3:7:39 | B.139"J.Y." | 27358 | .019 .011 | .020 .011 | .014 .0035 | .0155 .0075 | .017 .0065 | .0105 .002 | | | 4:7:39 | B.129 F.C. | 15054 | .004 .001 | .004 .001 | .003 Nil | .0035 .0005 | .003 Nil | .0035 .0015 | Rebore. | | 4:7:39 | B.110"H.K." | 38519 | .007 .001 | .0065 .001 | .0075 .001 | .007 .002 | .0065 .0015 | .006 .0005 | 4 +1. | | 4:7:39 | B. 62"J.D." | 31992 | .0085 .0045 | .0075 .002 | .009 .004 | .008 .0025 | .008 .003 | .008 .0035 | 2 +1. | | 4:7:39 | B.150"H.K." | 17497 | .0065 .002 | .0065 .002 | .006 .0005 | .0075 .003 | .006 .0005 | .006 .001 | | | 5:7:39 | B.166 E.F. | 34323 | .008 .002 | .009 .003 | .0095 .004 | .008 .003 | .007 .0005 | .007 .003 | All +1. | | 5:7:39 | B. 38"M.R." | 8857 | .0025 Nil | .003 .001 | .003 .0005 | .0025 .0005 | .002 .0005 | .002 .0005 | | | 5:7:39 | B. 52"K.T." | 21179 | .009 .0035 | .008 .004 | .0085 .003 | .0075 .0025 | .0055 Nil | .007 .0025 | 1&5 +½.Rebore. | | 5:7:39 | B. 30"G.A." | 31452 | .0105 .0025 | .011 .0045 | .0105 .003 | .009 .002 | .006 .0015 | .0065 .0005 | | | 5:7:39 | B. 11 A.E. | 55381 | .0055 .0005 | .006 .0015 | .0065 .0015 | .005 .0005 | .004 .0005 | .004 Nil | 5 +1½ | | 5:7:39 | B. 15 F.C. | 13345 | .0025 .001 | .002 .0005 | .002 .0005 | .0015 .0005 | .002 .0005 | .001 .0005 | All +10(H.118) | | 5:7:39 | B. 8 "J.D." | 28983 | .0065 .0035 | .0065 .0025 | .005 .001 | .007 .003 | .006 .001 | .007 .002 | | | 5:7:39 | B.100"J.D." | 50911 | .011 .005 | .010 .0025 | .011 .002 | .010 .004 | .0075 .001 | .0085 .0015 | Rebore. | | 7:7:39 | B.134"G.A." | 31428 | .0075 .002 | .010 .004 | .0075 .0035 | .008 .004 | .006 .0005 | .0065 .0015 | Rebore. | | 7:7:39 | B.119 F.C. | 42455 | .014 .0055 | .015 .004 | .012 .002 | .0145 .0075 | .010 .002 | .0115 .0045 | Rebore. | | 7:7:39 | B. 98 D.G. | 41193 | .0075 .0005 | .008 .0015 | .008 .0005 | .007 .003 | .0065 .003 | .007 .002 | 4 +2.Rebore. | | 7:7:39 | B.120 F.B. | 37665 | .008 .003 | .009 .0015 | .010 .0035 | .0075 .002 | .008 .0035 | .0075 .002 | 4 +1. | | 10:7:39 | B.200"G.A." | 29187 | .008 .0045 | .008 .0045 | .0085 .0055 | .009 .004 | .0075 .003 | .008 .004 | Rebore. | | 11:7:39 | B. 71 E.F. | 11141 | .002 .0005 | .003 .001 | .003 .001 | .0025 Nil | .002 .0005 | .0025 .001 | All +15(H.142) | | 11:7:39 | B. 99"G.F." | 23019 | .0045 .001 | .0045 .001 | .004 .001 | .004 .002 | .002 Nil | .0035 Nil | | | 11:7:39 | B. 91"L.E." | 11066 | .003 .001 | .0025 .001 | .003 .001 | .0025 .0005 | .0025 .0005 | .002 .0005 | 2 +1,1&3 +½. | | 12:7:39 | B. 81"L.E." | 12588 | .003 .0015 | .0035 .0015 | .0035 .0005 | .004 .0005 | .0025 .0005 | .0025 .0005 | All +15 (W) | | 12:7:39 | B. 31 B.N. | 33982 | .004 .001 | .0055 .0025 | .0045 .0015 | .003 .0015 | .003 .0005 | .003 .0005 | | | 13:7:39 | B.125 D.G. | 27783 | .0055 .0015 | .007 .003 | .0055 .0025 | .005 .001 | .004 .0005 | .004 .0005 | All +10 (H.75) | | 13:7:39 | B. 37"J.Y." | 27893 | .005 .0005 | .005 .0005 | .006 .001 | .005 .0015 | .004 .0005 | .0035 .0005 | | | 13:7:39 | B. 90"J.D." | 23126 | .007 .004 | .0045 .0015 | .004 .0015 | .004 .002 | .004 .0005 | .004 .0015 | | | ||