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 'Tangye' jack for the 20 HP chassis, replacing a Michelin-made part.
| Identifier | ExFiles\Box 172\1\ img136 | |
| Date | 20th February 1929 | |
| RR 785 REVISED (10H) (D.C. 777-29-2-28) MC.C.LYP ORIGINAL COMPLETED 24.4.29 STANDARDISATION of CHASSIS PARTS. Date 20.2.29 [Box Start] X No. 4491 Drawing No. C177 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. [Box End] Description of Parts. 'TANGYE' JACK FOR 20 HP. Origin. Michelin have ceased to manufacture. Experimental Test Report. Michelin have ceased making jacks. We also wished to use a British made jack. See Hs{Lord Ernest Hives - Chair}/AJL1/LG31.1.29. Road Test Report. Number of tests carried out. [Stamp] 20. H.P. CHASSIS Weight of Old Part. Cost of Old Part. £ 10. 10. Weight of New Part. Cost of New Part. £ 1. 5. 0 WOR{Arthur Wormald - General Works Manager} EWT. Difference per Car. £ 14. 2 increase. Signature from Cost Dept. that above is correct. G/Rb.{R. Bowen} 20.4.29 G.{Mr Griffiths - Chief Accountant / Mr Gnapp} Cost of Parts in Works which will be scrapped if commenced on :- Series........£....... Series........£....... Series........£....... [Approval Table] INITIAL | DATE | REMARKS Exd. Sg.{Arthur F. Sidgreaves - MD} | 24.4.29 | Agreed. Sg.{Arthur F. Sidgreaves - MD} R.{Sir Henry Royce} (Royce) | 4/3/29 | I have not seen this test but trust to Test Dept's good judgement & therefore agreed. Wor.{Arthur Wormald - General Works Manager} WOR.{Arthur Wormald - General Works Manager} | 20.2.29 | Agreed. Wor.{Arthur Wormald - General Works Manager} RG.{Mr Rowledge} | 1.3.29 | Agreed. RG.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 21.2.29 | Agreed. Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 21.2.29 | Agreed. BY.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 20.3.29 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 25.2.29 | Agreed. E.{Mr Elliott - Chief Engineer} PN.{Mr Northey} | | COW/EK | | HS.{Lord Ernest Hives - Chair} | 20.2.29 | Agreed. Hs.{Lord Ernest Hives - Chair} | ||