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, proposing to change piston material from alloy No.221 to RR.53.
| Identifier | ExFiles\Box 171\1\ img223 | |
| Date | 4th September 1930 | |
| RR 785 (10M) (3-7-30) SM. 5/2571. COMPLETED 7.10.30. STANDARDISATION of CHASSIS PARTS. Date 4.9.30 X No. 7040 Drawing No. 5040 Part List Description of Parts. PISTONS MADE IN RR.53 ALLOY. Origin. To improve material. Experimental Test Report. The proposal is to change from alloy No.221 to RR.53 Road Test Report. 20 sets of pistons have been fitted to production chassis and have gone through tests satisfactorily. 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. Phan.II. 20/25 HP. Weight of Old Part. Weight of New Part. Difference per Car. Decreases Cost of Old Part. £2. 4. 9d. 1. 8. 6d. Cost of New Part. £2. 3. 1d. 1. 7. 9d. Difference per Car. £- 1. 8d. - - 9d. Cost of Parts in Works which will be scrapped if commenced on :- Series.........£......... Series.........£......... Series.........£......... Signature from Cost Dept. that above is correct. G/Rb.{R. Bowen} 24.9.30. G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 25.9.30. Wor.{Arthur Wormald - General Works Manager} INITIAL DATE REMARKS SG.{Arthur F. Sidgreaves - MD} 6.10.30 Agreed Sg.{Arthur F. Sidgreaves - MD} Ref: Sg{Arthur F. Sidgreaves - MD}32/E29.9.30. & Hs{Lord Ernest Hives - Chair}3/MJ.3.10.30 R.{Sir Henry Royce} 9/9/30 Agreed JHR WOR.{Arthur Wormald - General Works Manager} 5.9.30 Agreed Wor.{Arthur Wormald - General Works Manager} C. Agreed C. RG.{Mr Rowledge} 8.9.30 Agreed Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} 8.9.30 Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} 5.9.30 Agreed By.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} 6.9.30 Agreed EP.{G. Eric Platford - Chief Quality Engineer} Assume 10,000 miles test has been made and O.K. E.{Mr Elliott - Chief Engineer} 9.9.30 Agreed AE. PN.{Mr Northey} 9.9.30 There is no indication on what grounds the change is suggested. PN.{Mr Northey} HS.{Lord Ernest Hives - Chair} Agreed Hs.{Lord Ernest Hives - Chair} [STAMPED TEXT: PLANT II CHASSIS] | ||