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).
Standardisation of an exhaust valve part.
| Identifier | ExFiles\Box 171\2\ img101 | |
| Date | 2nd September 1922 | |
| COMPLETED 2.9.22 STANDARDISATION of CHASSIS PARTS. Description of Part: EXHAUST VALVES. Spec. 2202. A CHIEF'S Lec. 2202. Origin: To prevent cracking of valve heads and burning of seats which has caused subsequent trouble. Reason for Alteration: Valves to be fitted to RI-2X series from which satisfactory results have been obtained. The design is similar to Goshawk and the same type engines. Drawing Nos. Part Old No. W.1049 Part New No. W.1049 Cost of part in which the new part is embodied: 3 Cost of new part: 3 The number of the first chassis on which the new part will be fitted: Production "O" series. Date when chassis will be handed to test: ........... Cost of scrapped material, if any........ Nil. Cost of jigs and tools.................. Nil. Approvals: Works Agreed: 2.9.22 C. Agreed: 2.9.22 R.P. Agreed: 10.9.22 A.D. Agreed: 4.9.22 B.V. Agreed: 2.9.22 E.B. Agreed: 2.9.22 E.{Mr Elliott - Chief Engineer} Agreed: 12.9.22 P.M. Agreed: 2.9.22 H.S. Agreed: 2.9.22 | ||