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 the cutout operating mechanism for chassis parts to improve reliability.
Identifier | ExFiles\Box 171\3\ img266 | |
Date | 10th December 1925 | |
RR 755 (10M) (SL391 2-11-23) MP ORIGINAL COMPLETED 23.12.25 STANDARDISATION of CHASSIS PARTS. Description of Parts. CUTOUT OPERATING MECHANISM. Origin. To improve reliability. Experimental Test Report. The present exhaust cutout is operated by a wire cable. The proposed design is to use rods - this is a definite improvement. Road Test Report. Run 10,000 miles on 8-EX. No trouble. Fitted to 11-EX and 7-EX. Run 4,000 miles. No troubles. Weight of Old Part. Weight of New Part. Difference per Car. Signature of Mr. De LOOZE that above is correct. My/RHS. 16.12.25 SIGNATURES MR. JOHNSON MR. B. JOHNSON MR. ROYCE MR. WORMALD MR. ROWLEDGE MR. DAY MR. BAILEY MR. PLATFORD MR. ELLIOTT MR. NORTHEY MR. HIVES DATE 23.12.25 23.12.25 18/12/25 10.12.25 11.12.25 12.12.25 10.12.25 10.12.25 14/12/25 11.12.25 21.12.25 REMARKS Agreed. C. Johnson. Agreed. B.J. Agreed FHR Agreed. Wor.{Arthur Wormald - General Works Manager} Agreed. Rg.{Mr Rowledge} Agreed. Da.{Bernard Day - Chassis Design} Agreed. BY.{R.W. Bailey - Chief Engineer} Agreed. EP.{G. Eric Platford - Chief Quality Engineer} Agreed AE Agreed. PN.{Mr Northey} Agreed. E.{Mr Elliott - Chief Engineer} Hives. ACTION Date 10.12.25 X No. 8490 Drawing No. 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 Cost of Old Part. £1. 0 Cost of New Part. £1. 5. 6d. Difference per Car. £ . 1. 6 increase. Cost of Parts in Works which will be scrapped if commenced on:- Series.........£......... Series.........£......... Series.........£......... | ||