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).
Instruction on testing the piston pin fit for die-cast aluminium pistons for chassis.
| Identifier | Morton\M11\ img092 | |
| Date | 5th December 1918 | |
| To E.H. from E.{Mr Elliott - Chief Engineer} Copy to DA{Bernard Day - Chassis Design}: " " EPC. ORIGINAL 3400' RE DIE CAST ALUMINIUM PISTON FOR CHASSIS. Referring to the plain trunk diagonal web type of piston recently instructed for test, would you kindly note that the piston pin should be tested with a poor fit, as well as a good fit in the piston pin bosses, so as to cover all possible conditions of manufacture. E.{Mr Elliott - Chief Engineer} | ||