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 of design schemes and drawings for Goshawk, Kestrel, Griffon, P.V.XII, and P.V.G. aero engines.
| Identifier | ExFiles\Box 30\4\ Scan229 | |
| Date | 14th July 1934 | |
| - 4 - BY.1/G.14.7.34. "GOSHAWK" ENGINE. DES.2211 Carburetter - Modn. to Jet Depressing Mech: Recd. 9.6.34. Detail drawings completed and issued ...... 11.6.34. "KESTREL" AND "GOSHAWK" ENGINES. DES.2180 Propeller Thrust Oil Retainer .......... Recd. 10.5.34. Detail drawings completed and issued ...... 29.5.34. "GRIFFON" ENGINE. DES.1992 Water Inlet to Cylinder ............... Recd. 12.9.33. DES.2015 Relief Valve & Main Oil Pipes .......... Recd. 12.9.34. DES.1979 Induction Pipe and Priming Pipes ........ Recd. 12.9.34. 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. Detail drawings completed and issued ...... 11.6.34. DES.2163 Plate Clutch & Drive for Dynamo ............. Recd. 25.6.34. 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.679 Water Pump with Curved Vane Rotor. Detail drawings completed and issued ........ 10.5.34. RR.Sch.680 Short Bushes with Separate Dist. Pieces, Cam and Rocker Mechanism - Inlet Side. Detail drawings completed and issued ........ 25.5.34. P.V.G. AERO ENGINE. DES.2199 Cylinder Head (Ramp Type)...............Recd. 28.5.34. Detail drawings are in hand. | ||