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 for a cooling fan to reduce noise.
| Identifier | ExFiles\Box 104\3\ scan0217 | |
| Date | 10th November 1933 | |
| RR 788A (5H) (52674, 16-10-33) BM. 3/262/6. X5220 COMPLETED 24.11.33. 20/25 STANDARDISATION of PARTS. Date 10.11.33 X No. 5220. Drawing E.{Mr Elliott - Chief Engineer} No. 59639. Part List Description of Parts. COOLING FAN. Origin. To reduce fan noise. Report of Experimental Test. The trailing edge of the existing fan is cut away at the blade tips. This reduces fan noise without appreciably reducing the efficiency. Completed 10,000 miles on 18.G.IV. Weight of Old Part. Cost of Old Part £ Weight of New Part. Cost of New Part £ Difference per Car. Difference per Car. Mil £ Signature from Cost Dept. that above is correct. G/Rh.{R. Hollingworth} 17/11/33 [STAMP: Received.] [STAMP: J.S. WO 1933 with clock face] Cost of Parts in Works which will be scrapped if commenced on:- Series..........£....... Series..........£....... Series..........£....... INITIAL DATE REMARKS SG.{Arthur F. Sidgreaves - MD} 23-11-33 Agreed Sg.{Arthur F. Sidgreaves - MD} WOR.{Arthur Wormald - General Works Manager} 18.11.33 Agreed Wor.{Arthur Wormald - General Works Manager} C. 20.11.33 Agreed C. RG.{Mr Rowledge} 21.11.33 Agreed Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} 18.11.33 Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} 20.11.33 Agreed By.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} 17.11.33 Agreed EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} 22.11.33 Agreed AE. PN.{Mr Northey} 18.11.33 Agreed PN.{Mr Northey} BN.{W.O. Bentley / Mr Barrington} 18.11.33 Agreed BN.{W.O. Bentley / Mr Barrington} SFT.{Mr Swift} 18.11.33 Agreed Sft.{Mr Swift} MX.{John H Maddocks - Chief Proving Officer} 17.11.33 Agreed Mx.{John H Maddocks - Chief Proving Officer} HS.{Lord Ernest Hives - Chair} 17.11.33 Agreed Hs.{Lord Ernest Hives - Chair} | ||