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).
List of modifications and drawing status for the P.V.XII Aero Engine.
Identifier | ExFiles\Box 30\4\ Scan088 | |
Date | 19th February 1934 | |
- 3 - BY.1/G.19.2.34. P.V.XII. A-ERO ENGINE. RR.Sch.471 Modified Valve Springs (Reduced Stress). Detail drawings completed and issued ........ 25.1.34. RR.Sch.482 Modfns. to Reduction Gear Brg. Hsgs. and Sling Bracket. Detail drawings completed and issued ........ 14.2.34. RR.Sch.489 Mods. to Cylinders, C'case and Liners. Detail drawings completed and issued ........ 2.2.34. RR.Sch.519 Modfns. to P.V.XII. (Wheelcase, Dynamo Drive, Water Pump and Water Connections.) Detail drawings completed and issued ........ 23.1.34. RR.Sch.520 Modfn. to Water Pump Spindle Bearing. Detail drawings completed and issued ........ 19.1.34. RR.Sch.522 Modified Oil Pumps. Detail drawings completed and issued ........ 25.1.34. RR.Sch.523 Modified Lower Half Crankcase. Detail drawings completed and issued ........ 2.2.34. RR.Sch.524 Modified Supercharger & Carburetter. Detail drawings completed and issued ........ 26.1.34. RR.Sch.569 Modified Exhaust Ports. Detail drawings completed and issued ........ 5.2.34. RR.Sch.575 Lightened Camshaft Brackets. Detail drawings completed and issued ........ 5.2.34. RR.Sch.579 Mod. Type (6.923 Ratio) S/c. gears. Detail drawings will be put in hand as soon as possible. RR.Sch.592 Modification to Water Pump & Delivery Pipes. Detail drawings completed and issued ........ 3.2.34. RR.Sch.605 Mod. to Dynamo Drive & Slipper Gear. Detail drawings completed and issued ........ 10.2.34. RR.Sch.613 Modification to Rear End of Crankcase. Detail drawings are in hand. | ||