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 chassis parts for the change gear and brake operating mechanism.
| Identifier | ExFiles\Box 171\1\ img008 | |
| Date | 10th December 1925 | |
| RR 755 (10M) (SL391 2-11-23) MP 281297 ORIGINAL STANDARDISATION of CHASSIS PARTS. Description of Parts. CHANGE GEAR AND BRAKE OPERATING MECHANISM. Origin. To improve design. Experimental Test Report. It is proposed to use a small gate for change speed mechanism without notches. The arrangement is neater and more convenient for coachwork - it is essential if body subframe is used. Road Test Report. Run 10,000 miles on 8-EX car - No troubles. Fitted to 46-PK, 11-EX, 7-EX and 10-EX - Total mileage 11,200 miles - No troubles. Weight of Old Part. Cost of Old Part. £ 19-19-0 Weight of New Part. Cost of New Part. £ 18-8-6 Difference per Car. Difference per Car. £ 1-10-6 Saving Signature of Mr. COSTLAKE that above is correct. M J Russ 21/2/26 SIGNATURES DATE REMARKS MR. JOHNSON MR. B. JOHNSON MR. ROYCE MR. WORMALD MR. ROWLEDGE MR. DAY MR. BAILEY MR. PLATFORD MR. ELLIOTT MR. NORTHEY MR. HIVES X No. 8320 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 Parts in Works which will be scrapped if commenced on:- Series......... £......... Series......... £......... Series......... £......... ACTION | ||