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 document for Ferobestos brake lining to reduce squeaks.
| Identifier | ExFiles\Box 26\4\ Scan398 | |
| Date | 4th June 1929 | |
| RR 758 REVISED (10H) (D.C. 777-29-2-28) M.C.L.TD 4719. COMPLETED 22. 6. 29 STANDARDISATION of CHASSIS PARTS. Date 4. 6. 29 Description of Parts. FEROBESTOS BRAKE LINING. X No. 719 Origin. To reduce squeaking brakes. Drawing No. Part List Experimental Test Report. Run 10,000 miles on 8-EX and 4000 miles on 21-EX and 22-EX. Road Test Report. Does not score the drums as much as Ferodo bonded asbestos. Reasonable wearing qualities, less tendency to squeaks. STAMP: Received 21 JUN 1929 A Scrap and replace at all costs, including Chassis already delivered to Customers. B Scrap and replace on Chassis in Works. C Scrap present stock and replace on all Chassis not yet handed to test. D Use existing stock Alteration effective on future Chassis. Weight of Old Part. Cost of Old Part. £ 1-7-0 Weight of New Part. Cost of New Part. £ 1-7-0 Difference per Car. £ Difference per Car. £ Cost of Parts in Works which will be scrapped if commenced on :- Series..........£......... Series..........£......... Series..........£......... Signature from Cost Dept. that above is correct. GR{George Ratcliffe} | 19/6/29 Wil. Wor{Arthur Wormald - General Works Manager} 12 Ent. G 19/6/29 INITIAL DATE REMARKS B. Sg.{Arthur F. Sidgreaves - MD} 21-6-29 Agreed Sg.{Arthur F. Sidgreaves - MD} R.{Sir Henry Royce} 7. 6. 29 Agreed. FHR. WOR.{Arthur Wormald - General Works Manager} 7. 6. 29 Agreed. Wor.{Arthur Wormald - General Works Manager} RG.{Mr Rowledge} 11. 6. 29 Agreed. RG.{Mr Rowledge} DA.{Bernard Day - Chassis Design} 6. 6. 29 Agreed. Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} 5. 6. 29 Agreed. BY.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} 6. 6. 29 Agreed, but have not appreciated improvement in squeaking and groans on pull up. EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} 8. 6. 29 Agreed. E.{Mr Elliott - Chief Engineer} PN.{Mr Northey} 6. 6. 29 Agreed. PN.{Mr Northey} C.W.E. 5. 6. 29 Agreed. C. HS.{Lord Ernest Hives - Chair} 4. 6. 29 Agreed. Hs.{Lord Ernest Hives - Chair} Rm.{William Robotham - Chief Engineer} | ||