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 modified 3rd motion shaft for the 25HP synchromesh gearbox to prevent 3rd gear disengagement on overrun.
| Identifier | ExFiles\Box 104\4\ scan0181 | |
| Date | 10th May 1932 | |
| RR 755 (10H) (19120, 13-10-31) BM. 3/7586. X5310 COMPLETED 3.2.33. STANDARDISATION of CHASSIS PARTS. Date 10.5.32. Description of Parts. 3rd MOTION SHAFT 25HP SYNCHROMESH GEARBOX. X No. 5310 Drawing No. Part List Origin. To prevent 3rd gear working out on overrun. Experimental Test Report. This shaft with altered position of splines has been fitted to 3 cars on which 3rd gear came out of mesh on the overrun effecting in each case a complete cure. Road Test Report. Has done several hundred miles on production chassis in Test Dept. Weight of Old Part. Weight of New Part. Difference per Car. £ negligible Cost of Old Part. £ Cost of New Part. £ 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. GRH 1/2/33 L 1/2/33 INITIAL | DATE | REMARKS SG.{Arthur F. Sidgreaves - MD} | 2-2-33 | Agreed SG.{Arthur F. Sidgreaves - MD} R.{Sir Henry Royce} | 20.1.33. | Agreed FHR. but I am not at all satisfied that this will prove a permanent cure. We ought to test a purposely poor fit equal to worn condition. R.{Sir Henry Royce} WOR.{Arthur Wormald - General Works Manager} | 20.6.32. | Agreed Wor.{Arthur Wormald - General Works Manager} C. | 11.5.32. | Agreed C. RG.{Mr Rowledge} | 11.5.32. | Agreed Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 13.5.32. | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 10.5.32. | Agreed By.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 10.5.32. | Agreed EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 10.5.32. | Agreed AE. PN.{Mr Northey} | 13.5.32. | Agreed, as being apparently the most encouraging method of coping with the difficulty. We deplore the necessity for stripping our normal standard Searching test. PN.{Mr Northey} HS.{Lord Ernest Hives - Chair} | | Agreed Hs.{Lord Ernest Hives - Chair} [STAMP: CHASSIS] [STAMP: Receive... J.S. F'LY 1933 with clock face] [Handwritten note: 26.1.33] | ||