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 block trials, exhaust system modifications, oiling fixes, and clutch types for Bentley and Wraith models.
| Identifier | ExFiles\Box 83\3\ scan0128 | |
| Date | 16th January 1939 | |
| -Cont-. Jan 16th.1939. BENTLEY. 4 EB 2929 Cylinder Blocks produced in Nickel-chrome-Molybdenum Alloy received from Derby. (No.W.1) 1 fitted to B44LS mileage 13,145 (No.W.2) 1 " " B86LS " 11,974 Date 15/2/39 Old Block .0075 taper .004 oval in 11974 miles. No.3 fitted to B140 HK{Col. T. Harker - Sales} at mileage 38,433 Owner Mr.S.Sainsbury Old Block .0115" taper Ovality .006" Date 22.2.39. No.4 fitted to B70GA at mileage 37,342 Owner Mr.T.Burroughs .008" taper Ovality .005" Date 24.2.39 (Old block) PH III. EXHAUST SYSTEM By/NS.{Norman Scott}16/G.11.1.39. Rear Silencer Support E.CD.919. 40.50 & 60 durometer 40 fitted at Derby. 50 " to 3Ax143 Dr.Perkins 24.1.39. at mileage 27,194. 60 " to 3CP-30 at mileage 24973 TRIALS WRAITH. TO CURE OVER OILING OF PLUGS. WXA 36 Neoprene Washers Fitted to Inlet Valve Top Washer at 9,152 miles 8.5.39. WXA 37 Inlet Valve Rockers Plugged Up Feed to Valve Pads at 9,021 miles 13.5.39. CLUTCH GRAPHITE 20/25HP BRONZE TYPE. Half Bronze and Ferodo to Cure Jaggers, on Pressure Ring only. Cars Fitted. Date Mileage. GGA38 June 1939 at 45171 GUB44 " " " 54649 GEX 34 " " " 24850 GHW43 " " " 95602 GOH40 " " " 29467 GOH56 " " " 58714 GOH78 " " " 32249 GBA78 " " " 60148 GRF37 " " " 37696 GE4 38 " " " 49039 GXB 22 " " " 74741 GAW 30 " " " 91121 BENTLEY. GRAPHITE BRONZE TYPE. Half Bronze and Ferodo Pressure Plate 28 AH 25 July 1939 at Mileage 58687 Miss Morri | ||