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 chassis parts for increased rear shock damper loads.
| Identifier | ExFiles\Box 171\1\ img191 | |
| Date | 25th April 1930 | |
| RR 755 REVISED (10M) (DG.348 19-7-29) SM. 6/543. STAMP: ORIGINAL STAMP: COMPLETED 2.7.30. STANDARDISATION of CHASSIS PARTS. Description of Parts. INCREASED REAR SHOCK DAMPER LOADS. Origin. To improve high speed road holding. Experimental Test Report. We find that in the case of cars habitually driven at high speeds this loading is a useful alternative to standard. Road Test Report. Run 5,000 miles on various experimental cars. Now running 10,000 miles on 23-EX. Loads 100 lbs. H.P. 100 lbs. L.P. [Right Side Box] X No. 7520 Drawing No. Part List 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. [Cost Section] Weight of Old Part. Cost of Old Part. £ Weight of New Part. Cost of New Part. £ Difference per Car. Difference per Car. £ Signature from Cost Dept. that above is correct. G/RD. Cost of Parts in Works which will be scrapped if commenced on :- Series..........£...... Series..........£...... Series..........£...... Cost of modification when carried out during repair of cars at works + if Co's expense. 2-19 9d. per car. G.17.5.30 [Approval Table] INITIAL | DATE | REMARKS BJ. Sg.{Arthur F. Sidgreaves - MD} | 28.6.30 | Agreed Sg.{Arthur F. Sidgreaves - MD} R.{Sir Henry Royce} | 27/5/30 | Agreed JHR WOR.{Arthur Wormald - General Works Manager} | 28.5.30 | Agreed, subject to 10,000 miles test. Wor.{Arthur Wormald - General Works Manager} RG.{Mr Rowledge} | 29.4.30 | Agreed Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 2.5.30 | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 26.4.30 | Agreed BY.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 26.4.30 | Agreed - Have only increased HP. on cases I have done. EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 16.5.30 | Agreed AE. PN.{Mr Northey} | 26.4.30 | Agreed PN.{Mr Northey} CWB. | 26.4.30 | Agreed C. HS.{Lord Ernest Hives - Chair} | | Agreed. [Central Stamp] 20/25 H.P. W.A. Robotham | ||