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).
Cylinder wear measurements for various chassis during June 1939.
| Identifier | ExFiles\Box 103\2\ scan0009 | |
| Date | 10th July 1939 | |
| To By.{R.W. Bailey - Chief Engineer} from Pk/KC/FED. c.to Rm{William Robotham - Chief Engineer}/GWH{George W. Hancock - Head Chateauroux} file. W/Kingsbury. 10th. July, 1939. PARTICULARS OF CYLINDER WEAR DURING JUNE, 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. ---------|--------------|--------|--------------|--------------|--------------|--------------|--------------|--------------|---------------------- 1:6:39 | B.170"G.A." | 45538 | .011 .005 | .013 .009 | .012 .0075 | .010 .006 | .0085 .0025 | .0055 .0025 | Rebore. 1:6:39 | B.117 F.C. | 26044 | .009 .002 | .011 .003 | .010 .0015 | .009 .0045 | .0065 .001 | .0065 .001 | 3 &5 +1.Rebore. 1:6:39 | B. 85 B.W. | 58941 | .0075 .001 | .006 Nil | .007 .0025 | .005 Nil | .003 .0015 | .0045 .0015 | 1 +2, Rebore. 1:6:39 | B.192"H.K." | 45808 | .0105 .0045 | .0085 .0035 | .010 .004 | .011 .004 | .007 .0015 | .0095 .004 | 1&3 +1/2, 4 +2. 2:6:39 | B.106"K.T." | 20534 | .0065 .003 | .006 .001 | .005 .001 | .006 .002 | .0045 .001 | .0055 .001 | 4 &5 +1. 2:6:39 | B.107 B.I. | 42862 | .004 .0005 | .004 .001 | .005 .001 | .004 .001 | .0035 .0005 | .0045 .0005 | 4 &5 +1.Rebore. 2:6:39 | B. 80"J.D." | 28476 | .0085 .0045 | .0075 .001 | .007 .0015 | .007 .0025 | .0065 .002 | .0055 .001 | Rebore. 3:6:39 | B.157"G.P." | 39143 | .007 .0005 | .008 .003 | .0085 .004 | .0075 .003 | .0065 .0015 | .006 .001 | Rebore. 6:6:39 | B.189 E.J. | 39533 | .006 .001 | .005 .0005 | .005 .0015 | .006 .003 | .004 .0005 | .004 .001 | 6 +2. Rebore. 6:6:39 | B. 92"M.R." | 10518 | .0035 .0005 | .004 .0005 | .0035 .001 | .0035 .0005 | .0025 .0005 | .0025 .0005 | 3 +1/2. 6:6:39 | B.138 F.B. | 44907 | .011 .002 | .010 .0015 | .013 .0035 | .012 .006 | .009 .002 | .0115 .005 | 6 +1. Rebore. 7:6:39 | B. 46"I.S." | 8060 | .003 .001 | .003 Nil | .0035 Nil | .003 Nil | .0025 .0005 | .0025 .0005 | 1,3 &4 +1. 7:6:39 | B. 37 F.C. | 31399 | .009 .003 | .009 .004 | .0085 .0025 | .0065 .0025 | .0065 .003 | .0065 .003 | Rebore. 8:6:39 | B. 191 B.I. | 71527 | .011 Nil | .010 .001 | .014 .0035 | .008 .0015 | .0075 .003 | .008 .0005 | All +1. Rebore. 8:6:39 | B. 71"I.E." | 9672 | .004 .0025 | .004 .0005 | .0045 .0005 | .004 .001 | .003 Nil | .003 .0005 | 6 +1. 9:6:39 | B.212"G.A." | 39807 | .0075 .0025 | .0105 .003 | .011 .003 | .0085 .0035 | .005 Nil | .006 .0005 | Rebore. 9:6:39 | B.167 E.J. | 63444 | .009 .0035 | .0105 .0025 | .0055 .002 | .004 .0005 | .005 .0005 | .005 .0005 | All +1. 9:6:39 | B. 59"H.M." | 14004 | .0065 .0015 | .0075 .0025 | .0055 .002 | .004 .0005 | .005 .0005 | .005 .0005 | 6 +1. 9:6:39 | B. 2 C.W. | 10198 | .0005 .0005 | .0005 Nil | .001 .0005 | .0015 .0005 | .005 .0005 | .001 .0005 | All +15(install) 12:6:39 | B. 14"L.S." | 20857 | .005 .0015 | .005 .002 | .005 .002 | .005 .002 | .004 .001 | .004 .001 | 1,4&6+1,rem.+1/2. 12:6:39 | B. 89 B.N. | 44436 | .0055 .001 | .006 .0025 | .007 .0015 | .006 .001 | .006 .0025 | .006 .0025 | 1 +3. 13:6:39 | B.143 E.J. | 70923 | .0105 .0055 | .008 .0035 | .011 .006 | .011 .006 | .007 .001 | .008 .003 | Rebore. 13:6:39 | B. 17"I.E." | 19187 | .0065 .004 | .005 .001 | .006 .001 | .0055 .001 | .004 .002 | .004 .001 | 13:6:39 | B. 82"M.R." | 13729 | .003 .0005 | .0025 Nil | .004 .0005 | .003 .0005 | .003 .0015 | .003 .0015 | All +1/2 14:6:39 | B. 77"K.U." | 7890 | .003 .0005 | .0025 .0005 | .0035 .001 | .0035 .0015 | .0025 Nil | .0025 Nil | Rebore. 14:6:39 | B.115"J.Y." | 24351 | .0155 .0065 | .014 .006 | .0135 .0035 | .010 .0035 | .011 .005 | .0095 .0045 | 3,4&6 +1/2 14:6:39 | B.117"I.T." | 38882 | .007 .003 | .007 .002 | .006 .0015 | .0055 .0015 | .0065 .0015 | .006 .002 | 4 +1. 14:6:39 | B.172"G.I." | 30447 | .010 .0045 | .010 .004 | .008 .0015 | .006 .001 | .006 .0005 | .003 .002 | 4 +1. | ||