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 gearbox with synchromesh 2nd gear.
| Identifier | ExFiles\Box 171\2\ img213 | |
| Date | 7th February 1935 | |
| RR 755 (BH) (57312, 29-12-33) BM 3/640/2 COMPLETED 16.3.35. 40/50 STANDARDISATION of PARTS. Date: 7.2.35. X No. 7310. Drawing No. H.{Arthur M. Hanbury - Head Complaints} Sch. Part List: 3964/5/6 3984/5/6/7/8 4016/7/8 4002 3992/8 4140 4170 4173 GL.{G. Linnett}719/716 Description of Parts: GEARBOX WITH SYNCHROMESH 2nd GEAR. Origin: To facilitate ease of change. Report of Experimental Test: Fitted to 28-EX and ran 15,000 miles in France. Was considered good during the latter part of the mileage. Weight of Old Part. Cost of Old Part: £ Weight of New Part. Cost of New Part: £ See over Difference per Car. Difference per Car: £ 12. 1s. 6d. Increase. Signature from Cost Dept. that above is correct. G/No. 2.2.35. Cost of Parts in Works which will be scrapped if commenced on: Series.........£....... Series.........£....... Series.........£....... INITIAL | DATE | REMARKS SG.{Arthur F. Sidgreaves - MD} | 16.3.35. | Agreed SG.{Arthur F. Sidgreaves - MD} WOR.{Arthur Wormald - General Works Manager} | 27.2.35. | Agreed Wor.{Arthur Wormald - General Works Manager} [Handwritten: Copy used] C. | 11.2.35. | Agreed C. RG.{Mr Rowledge} | | [Handwritten: Previous forms] DA.{Bernard Day - Chassis Design} | 7.3.35. | Agreed Da.{Bernard Day - Chassis Design} [Handwritten: Though synchromeshing at any but a low speed is harder than an RR. control should be.] BY.{R.W. Bailey - Chief Engineer} | 8.2.35. | Agreed By.{R.W. Bailey - Chief Engineer} [Handwritten: The arrangement is a definite advantage on the whole.] EP.{G. Eric Platford - Chief Quality Engineer} | 11/3/35 | [Handwritten: Already signed about 2 of these - not agreeing. Bound to have complaints for this reason as will be more serious than non synchro mech 2nd top etc. EP{G. Eric Platford - Chief Quality Engineer}] E.{Mr Elliott - Chief Engineer} | 15.2.35. | Agreed AE. BN.{W.O. Bentley / Mr Barrington} | 11.2.35. | Agreed Bn.{W.O. Bentley / Mr Barrington} SFT.{Mr Swift} | 11.2.35. | Agreed Sft.{Mr Swift} MX.{John H Maddocks - Chief Proving Officer} | 13.2.35. | Agreed MX.{John H Maddocks - Chief Proving Officer} [Handwritten: Not so good as anticipated but apparently meets a demand] HS.{Lord Ernest Hives - Chair} | 7.2.35. | Agreed Hs.{Lord Ernest Hives - Chair} | ||