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).
Recommendation to fit aluminium pistons over cast iron ones to prevent engine detonation and seizing.
| Identifier | ExFiles\Box 148\3\ scan0012 | |
| Date | 8th June 1921 | |
| Contd. -2- R10/CS.8.6.21. case the distribution must be equal before it arrives in the cylinder. We therefore think that the best policy is to fit the most recent aluminium pistons as we are now fitting to the cars in Derby. Cast iron pistons would cause increased trouble from detonations and seizing. | ||