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).
Status report on design schemes for Griffon and P.V.XII aero engines.
| Identifier | ExFiles\Box 30\4\ Scan174 | |
| Date | 12th May 1934 | |
| - 4 - BY.1/G.12.5.34. "GRIFFON" ENGINES. DES.1992 Water Inlet to Cylinder ................. Recd. 12.9.33. DES.2015 Relief Valve & Main Oil Pipes ........... Recd. 12.9.33. DES.1979 Induction Pipe and Priming Pipes ......... Recd. 12.9.33. Detail drawings for these three schemes are not being proceeded with at the present time. DES.2137 Spur Reduction Gear .400 or .477 Ratio. Recd. 9.3.34. DES.2144 Crankcase Front End for Spur Reduction Gear. Recd. 9.3.34. Casing and Front Cover (Reduction Gear) instructed 12.4.34. Crankcase T.H. ............................ 17.4.34. Remaining details are in hand. DES.2149 Modified Water Inlet System .............. Recd.16.3.34. Detail drawings completed and issued ....... 3.5.34. DES.2154 Water Pump Inlet Connection (2.250 Dia.) ...... Recd.16.3.34. Detail drawings completed and issued ....... 3.5.34. DES.2158 Gun Gear .477 and .400 Ratios ............ Recd.20.3.34. Detail drawings completed and issued ....... 19.4.34. P.V.XII. AERO ENGINE. RR.Sch.440 Lengthened Piston for Marine Type Rods. This scheme is not being detailed at present. RR.Sch.442 Increased Capacity Oil Pumps. Detail drawings not being put in hand at present. RR.Sch.447 Increased Lift to L.P. Relief Valve. Detail drawings not being put in hand at present. RR.Sch.613 Modification to Rear End of Crankcase. Detail drawings completed and issued ........... 2.5.34. RR.Sch.637 Modfn. to Oil Pipe - Relief Valve to Rear End ... Recd.17.3.34. Detail drawings completed and issued ........... 24.3.34. RR.Sch.663 Conn. Rod Banjo Diagram - Thickened up Bosses ... Recd.21.4.34. No details required. | ||