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).
Continued note on specifications for gudgeon pin end pieces and slotted rings.
| Identifier | ExFiles\Box 94\5\ scan0112 | |
| Date | 3rd January 1936 | |
| (2) (4) Gudgeon pin end pieces as Bentley 'Aerolite' viz;- 11½° cone ends with .250 radius at appex of cone. Should there be any difficulty in increasing the width of bottom ring groove, Mx.{John H Maddocks - Chief Proving Officer} suggests that the existing slotted rings be reduced in width from .177-½ to .174-½, for the purpose of getting a quick test. BY/CS. | ||