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 front brake drums with increased rib height on the 4 1/4 litre Bentley.
| Identifier | ExFiles\Box 85\1\ scan0072 | |
| Date | 12th March 1936 | |
| RR 785B (SH) 74499. 7-1-35 BM 3/2327/1. COMPLETED 18.4.36. BENTLEY STANDARDISATION OF PARTS. Date 12.3.36 X No. 206 Drawing No. Part List Description of Parts. Front brake drums with increased rib height similar to GB.2008 but with ribs .075" higher. Origin. To give increased cooling area on 4 1/4 litre Bentley. Report of Experimental Test. Drums with increased rub height have done over 10,000 miles in England on 1-B-IV. The cooler running of these drums can be appreciated by the driver. Weight of Old Part. 6.75 lbs. Weight of New Part. 7.40 lbs. Difference per Car. + 1.3 lbs. Cost of Old Part. £ Cost of New Part. £ Difference per Car. £ Negligible Signature from Cost Dept. that above is correct. G/Rb{R. Bowen} 25.3.36. Cost of Parts in Works which will be scrapped if commenced on:- Series.........£......... Series.........£......... Series.........£......... INITIAL DATE REMARKS SG.{Arthur F. Sidgreaves - MD} 17-4-36. Agreed Sg.{Arthur F. Sidgreaves - MD} WOR.{Arthur Wormald - General Works Manager} 31.3.36. Agreed Wor.{Arthur Wormald - General Works Manager} C. 31.3.36. Agreed C. RG.{Mr Rowledge} DA.{Bernard Day - Chassis Design} 6.4.36. Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} 31.3.35. Agreed By.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} 1.4.36. Agreed EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} 1.4.36. Agreed E.{Mr Elliott - Chief Engineer} BN.{W.O. Bentley / Mr Barrington} SFT.{Mr Swift} 31.3.36. Agreed Sft.{Mr Swift} MX.{John H Maddocks - Chief Proving Officer} 31.3.36. Agreed Mx.{John H Maddocks - Chief Proving Officer} HS.{Lord Ernest Hives - Chair} 12.3.36. Agreed Hs.{Lord Ernest Hives - Chair} Stamp: J.S. 17 APR 1936 | ||