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 a rocker cover joint to reduce cost by using Gaskoid instead of Vellumoid.
| Identifier | ExFiles\Box 171\5\ img083 | |
| Date | 29th December 1938 | |
| RR 735A (10H) (49988) 19/10/37 C.E.Co. COMPLETED DATE 28.4.39. 25/30 H.P. STANDARDISATION OF PARTS Date Issued: 29.12.38 Sheet No. W.25. Drg. No. EW.1013. L.O.P.S. Description: ROCKER COVER JOINT (GASKOID). Purpose: Reduction in cost over using Vellumoid. Brief Report and Remarks: Gaskoid rocker cover joint ran satisfactorily without leaks or flaking of enamel on 8-B.V. over 15,000 miles. This sample which was coloured blue was submitted for trial by O.O. and costs 1/6d. as against 3/4d. for Vellumoid. Recommend 1 series be equipped with Gaskoid for confirmation of above. TABLE DATA: Old Parts: Material Cost £0 3s 4d, Labour B.O. COMPLETE, Total Cost £0 3s 4d. New Parts: Material Cost £0 1s 6d, Total Cost £0 1s 6d. Decrease in Cost: £0. 1. 10. Cost of Tools: NIL. Handwritten Note: G/RL 13/1/39 Production Position and Comments: Rocker Cover Joint (Gaskoid) can be introduced at the 1st. Chassis in 'C' series without scrap. No tool cost is involved and there is a decrease in Factory cost of 1/10d. per chassis. RHC.{R. H. Coverley - Production Engineer} Authorisation to Proceed. Introduce on the 1 Chassis in C Series. Sg.{Arthur F. Sidgreaves - MD} Signature Date 26/4/39 Hs.{Lord Ernest Hives - Chair} Signature Date 26/4/39 | ||