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).
Ongoing work to cure piston knocks and the plan to fit new pistons to car 49-GB.
| Identifier | ExFiles\Box 35\2\ scan 100 | |
| Date | 25th August 1919 guessed | |
| Contd. X. 2748. 3. the present piston metal. Since the first chassis* were on test and we realised that piston knocks were manifested, we have been working continuously on pistons. Our aim has been to reduce the tendency of piston knocks: we do not hold out any hopes whatever of curing them. We shall be sending to you in about a weeks time 49-GB. On this car we will fit pistons which will be, what we consider, within the limits to suit the Sales Dept: If the Sales Dept: force us to the limit with piston knocks, then we shall have aluminium pistons seizing. | ||