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 Dunlop Rubber Fan Belt for the 25 HP Chassis.
| Identifier | ExFiles\Box 172\1\ img177 | |
| Date | 14th January 1931 | |
| RR 752 (10M) (3-7-30) BM. 6/2571. ORIGINAL COMPLETED 11.2.31. STANDARDISATION of CHASSIS PARTS. Date 14.1.31. Description of Parts. Dunlop Rubber Fan Belt. 25 HP. Chassis. Origin. To increase efficiency of fan consistently. Experimental Test Report. Increased efficiency of fan reduces tendency for water to boil. Road Test Report. Fitted on 18.G.IV. and ran 10.000 miles stretched and required adjustment after 8.000 miles. It gave no other trouble and is free from causing any periods. X No. A.5220. X.196. Drawing No. Part List A Scrap and replace at all costs, including Chassis already delivered to Customers. B Scrap and replace on Chassis in Works. C Scrap present stock and replace on all Chassis not yet handed to test. D Use existing stock Alteration effective on future Chassis. [X] [STAMP] 20/25 H.P. CHAS Weight of Old Part. Weight of New Part. Difference per Car. Cost of Old Part. £ - 4. 11½d.{John DeLooze - Company Secretary} Cost of New Part. £ - 2. 3½d.{John DeLooze - Company Secretary} Difference per Car. £ - 2. 7½d.{John DeLooze - Company Secretary} Decrease. Signature from Cost Dept. that above is correct. G/Rb.{R. Bowen} 28.1.31. G.29.1.31 Cost of Parts in Works which will be scrapped if commenced on:- Series........£.......... Series........£.......... Series........£.......... Wor.{Arthur Wormald - General Works Manager} INITIAL | DATE | REMARKS SG.{Arthur F. Sidgreaves - MD} | 30.1.31. | Agreed Sg.{Arthur F. Sidgreaves - MD} R.{Sir Henry Royce} | 18/1/31. | Agree JHR WOR.{Arthur Wormald - General Works Manager} | 16.1.31. | Agreed Wor.{Arthur Wormald - General Works Manager} C. | 16.1.31. | Agreed C. RG.{Mr Rowledge} | 17.1.31. | Agreed Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 21.1.31. | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 16.1.31. | Agreed By.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 16.1.31. | Agreed EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 17.1.31. | Agreed AE. PN.{Mr Northey} | 27.1.31. | Agreed PN.{Mr Northey} HS.{Lord Ernest Hives - Chair} | | Agreed Hs.{Lord Ernest Hives - Chair} | ||