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.M.R. 2 brake linings to increase brake life on 20/25 HP chassis.
| Identifier | ExFiles\Box 102\3\ scan0095 | |
| Date | 28th June 1933 | |
| RR 755 (10M) (37133. 28-10-32) BM. 3/9054/1. XS 360 COMPLETED 4.8.33. STANDARDISATION of CHASSIS PARTS. Description of Parts. A.M.R. 2 BRAKE LININGS, Origin. To increase life of brakes. Experimental Test Report. AMR.2. brake linings give better life in conjunction with cast iron brake drums fitted to Expl. cars, with good results. Road Test Report. Fitted to 18.G.IV. and ran 10,000 miles in France. The wear of the linings was small, condition of drums excellent. There was no increase in squeaking. [Stamped across the centre: 20/25 H.P. CHASSIS] Weight of Old Part. Cost of Old Part. £ - Weight of New Part. Cost of New Part. £ - Difference per Car. Difference per Car. £ none Signature from Cost Dept. that above is correct. G.R.H 1/8/33. Cost of Parts in Works which will be scrapped if commenced on :— Series......£...... Series......£...... Series......£...... INITIAL | DATE | REMARKS SG.{Arthur F. Sidgreaves - MD} | 2/8/33 | Agreed Men C. R.{Sir Henry Royce} | | WOR.{Arthur Wormald - General Works Manager} | 29.6.33 | Agreed Wor.{Arthur Wormald - General Works Manager} C. | 29.6.33 | Agreed C. RG.{Mr Rowledge} | 20.7.33 | Agreed Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 7.7.33 | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 29.6.33 | Agreed By.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 29.6.33 | Agreed EP{G. Eric Platford - Chief Quality Engineer} & Mx.{John H Maddocks - Chief Proving Officer} if free from squeaks, not yet tried. E.{Mr Elliott - Chief Engineer} | 4.7.33 | Agreed AE. PN.{Mr Northey} | 31.7.33. | Agreed PN.{Mr Northey} HS.{Lord Ernest Hives - Chair} | | Agreed Hs.{Lord Ernest Hives - Chair} 7.9.33 | ||