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 proposal for coarser pitch rear axle gears to enable quieter production.
| Identifier | ExFiles\Box 172\1\ img034 | |
| Date | 23th May 1923 | |
| R.R. 785 (5 H) (S.J. 99), 10-10-21. G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 3057. ORIGINAL COMPLETED 20.6.23 STANDARDISATION OF CHASSIS PARTS. Date 23.5.23 X No.4424 Drawing No. Part List Description of Parts. COARSER PITCH REAR AXLE GEARS. Origin. To enable quiet axles to be produced more easily. Experimental Test Report. The ratios have been altered from - 14 X 60 and 13 X 60 to 11 X 50 and 12 X 50. The gears have been altered from 6 to 5 pitch. Road Test Report. Run 10,060 miles on 7-G-11 - no trouble. A number of sets now been fitted on production cars. 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 of Parts in Works which will be scrapped if commenced on:- NO SCRAP Series......... £......... Series......... £......... Series......... £......... Signature of Exp. Dept. that above is correct. E.{Mr Elliott - Chief Engineer} Hives. Weight of Old Part. Cost of Old Part. £ ----- Weight of New Part. Cost of New Part. £ ----- Difference per Car. Difference per Car. probable saving £4. 9. 0 on axle quietening. Storekeeper advised re above: Storekeeper's Signature Signature of Mr. De LOOSE that above is correct. My/JW 4.6.23 SIGNATURES DATE REMARKS Mr. JOHNSON / M.{Mr Moon / Mr Moore} D.{John DeLooze - Company Secretary} Johnson. 5.6.23 C. Johnson. Agreed. 5.6.23 B. J.{Mr Johnson W.M.} Agreed. Mr. ROYCE 19.6.23 Agreed byago. Mr. WORMALD 23.5.23 Agreed - most important. Wor.{Arthur Wormald - General Works Manager} Mr. ROWLEDGE 26.5.23 Agreed. Rg.{Mr Rowledge} Mr. DAY 24.5.23 Agreed. Da.{Bernard Day - Chassis Design} Mr. BAILEY 28.5.23 Agreed. BY.{R.W. Bailey - Chief Engineer} Mr. PLATFORD 25.5.23 Agreed. EP.{G. Eric Platford - Chief Quality Engineer} Mr. NORTHEY 24.5.23 Agreed. PN.{Mr Northey} | ||