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).
Instructions regarding an experiment to replace a piston and fit a channelled scraper ring to a 20HP Chassis.
| Identifier | ExFiles\Box 105\2\ scan0206 | |
| Date | 16th January 1930 | |
| To. KHC. c. Hs{Lord Ernest Hives - Chair}/ACL. Y5040 BY/CS3/IG.16.1.30. Re 20HP Chassis - Piston - Sec: 5040. Please receive herewith two blueprints of - E.55714 Piston which replaces E.55317. Will you please instruct as required, together with the following:- E.55562 Piston Ring (Channelled Scraper) which replaces E.55433. E.80236 Piston Ring Stop (Bottom) which replaces E.55665. Remainder to LOP.E.55341. The above is in accordance with paragraphs 1 & 2 of memo: Hs{Lord Ernest Hives - Chair}/ACL1/MJ.31.12.29, fitting a Channelled Scraper Ring to the standard Five Ring Piston. This completes instructions for this experiment. BY/CS. | ||