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 Phantom III brake drums from R.R. Cylinder Iron instead of Millerite to reduce cost.
| Identifier | ExFiles\Box 171\2\ img242 | |
| Date | 7th September 1936 | |
| RR 755 (5H) 20396 21/7/36 J.W.S. COMPLETED 15.9.36. PHANTOM III. STANDARDISATION of PARTS Description of Parts. BRAKE DRUMS IN R.R. CYLINDER IRON INSTEAD OF MILLERITE. Origin. To reduce cost. Report of Experimental Test. 4 Drums have been running in France on 32-KT. They have done 10,000 miles and are in excellent condition. The braking on this car has been very powerful. We are standardising these drums in conjunction with Ferodo S.5805. COSTS: Cost of Old Part: Labour - Bought outside, Total - £5 7s 8d Cost of New Part: Material - £1 0s 8d, Labour - 18s 6d, Charges - £2 6s 3d, Total - £4 5s 5d Nett Decrease: £1 2s 3d Signature from Cost Dept. that above is correct. G/Eb. 4.9.36. APPROVALS: INITIAL, DATE, REMARKS SG.{Arthur F. Sidgreaves - MD}, 14.9.36., Agreed Sg.{Arthur F. Sidgreaves - MD} WOR.{Arthur Wormald - General Works Manager}, 10.9.36., Agreed Wor.{Arthur Wormald - General Works Manager} C., 9.9.36., Agreed C. E.{Mr Elliott - Chief Engineer}, 8.9.36., Agreed E.{Mr Elliott - Chief Engineer} DA.{Bernard Day - Chassis Design}, 10.9.36., Agreed Da.{Bernard Day - Chassis Design} By.{R.W. Bailey - Chief Engineer}, 9.9.36., Agreed By.{R.W. Bailey - Chief Engineer} E.P., 8.9.36., Agreed EP.{G. Eric Platford - Chief Quality Engineer} SFT.{Mr Swift}, 8.9.36., Agreed Sft.{Mr Swift} MX.{John H Maddocks - Chief Proving Officer}, 9.9.36., Agreed Mx.{John H Maddocks - Chief Proving Officer} HS.{Lord Ernest Hives - Chair}, 7.9.36, Agreed Hs.{Lord Ernest Hives - Chair} | ||