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 parts sheet for a 'GENERAL' type Bye-pass Filter.
| Identifier | ExFiles\Box 171\5\ img074 | |
| Date | 7th December 1938 | |
| RR 755B (10H). (49968) 19/10/37 C.E.Co. COMPLETED 27.4.39. BENTLEY STANDARDISATION OF PARTS Date Issued: 7.12.38. Sheet No.: B.20. Drg. No.: SCD.1000. L.O.P.S. Description: 'GENERAL' type Bye-pass Filter. Purpose: To keep oil in clean condition and all the advantages derived therefrom including increased mileage between oil drainings. Brief Report and Remarks: This filter which has been standardised for C series Wraith has run 15,000 miles on 8.B.V. and proposed to incorporate on second half of M series. The mounting for the filter together with pipes has been tried up to ensure it does not foul on a B.II chassis. Report References: GIRH 23/1/39 Cost Table: Old Parts - Material: £0 5s 9d, Labour: £0 11s 7d, Burden: £1 0s 3d, Total: £1 17s 7d New Parts - Material: £0 17s 7d, Labour: £0 14s 6d, Burden: £1 5s 4d, Total: £2 17s 5d Increase in Cost: £0 19s 10d. Cost of Tools: £16.10.0. Production Position and Comments: The 'General' type By-pass Oil Filter, as standardised for Wraith 'C' series, was introduced on Bentley at the 61st. Chassis in 'M' Series without scrap. There is a tool cost of £16.10.0d. and an increase in Factory Cost of 19/10d. per chassis. RHC.{R. H. Coverley - Production Engineer} Authorisation to Proceed. Introduce on the 61 Chassis in M Series. Signature Sg.{Arthur F. Sidgreaves - MD} Date: 26/4/39 Signature Hs.{Lord Ernest Hives - Chair} Date: 26/4/39 | ||