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 report for a modified carburetter and air silencer to reduce noise.
| Identifier | ExFiles\Box 102\1\ scan0131 | |
| Date | 4th January 1933 | |
| RR 755 (10H) (30405, 21-4-32) BM. 3/8382/4. x5080 COMPLETED 3.11.33. STANDARDISATION of CHASSIS PARTS. Date 4.1.33. X No. 080 Drawing No. Part List Description of Parts. MODIFIED CARBURETTER & AIR SILENCER. Origin. To reduce noise. Experimental Test Report. Fitted to 18.G.IV. car. Experimental tests carried out on the road and on the test bench. There is no loss in power but considerable reduction in noise. The carburettor is identical to those fitted to tank engines. Road Test Report. Ran 200 or 300 miles on the road. Recommend no need for endurance test. Weight of Old Part. Weight of New Part. Difference per Car. Cost of Old Part. £ 1-5-5 Cost of New Part. £ 3-7-0 Difference per Car. £ 2-1-7 Increase Signature from Cost Dept. that above is correct. GRL 6/7/33. W.M. 1/11/33 Cost of Parts in Works which will be scrapped if commenced on:- Series.........£....... Series.........£....... Series.........£....... INITIAL | DATE | REMARKS SG.{Arthur F. Sidgreaves - MD} | 2-11-33. | Agreed Sg.{Arthur F. Sidgreaves - MD} R.{Sir Henry Royce} | 20.1.33 | Agreed FHR. WOR.{Arthur Wormald - General Works Manager} | 7.1.33. | Agreed Wor.{Arthur Wormald - General Works Manager} C. | 9.1.33 | Agreed C. RG.{Mr Rowledge} | 9.1.33. | Agreed Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 13.1.33 | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 9.1.33 | Agreed By.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 9.1.33 | Agreed EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 21.1.33 | Agreed AE. PN.{Mr Northey} | 23.3.33 | Agreed - I have been waiting to see this. PN.{Mr Northey} HS.{Lord Ernest Hives - Chair} | | Agreed Hs.{Lord Ernest Hives - Chair} copy. 1-11-33 | ||