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 distributor head and base to improve ventilation.
| Identifier | ExFiles\Box 172\3\ img086 | |
| Date | 19th December 1925 | |
| RR 755 (10M) (DB{Donald Bastow - Suspensions}130 12-9-24) MS 301225 STANDARDISATION of CHASSIS PARTS. Date 19.12.25 No. 8591 Description of Parts: Modified dist. head and base to Lec. 2121X and D.71005/6 providing for better ventilation. Origin: To reduce corrosive effects of nitrous gases generated in the distributor. Drawing No. D.71005/6 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. Experimental Test Report. KPO6/T21. 9.25(extract) "Various bench tests have proved that the rusting of the steel parts and corrosion of the metal parts which occurs in the distributor head is considerably reduced by the provision of more ventilation". Road Test Report. Ran 10,000 miles on 8-EX car in France. Fitted to 7-EX and 11-EX. Run 2000 miles. No trouble - recommended for standardisation. Weight of Old Part. Weight of New Part. Difference per Car. Cost of Old Part. £ Cost of New Part. £ Difference per Car. £ negligible Cost of Parts in Works which will be scrapped if commenced on:- Series.........£......... Series.........£......... Series.........£......... Signature of Mr. De LOOZE that above is correct. Costs are Correct. M de L 6/1/26 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 | ||