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).
Tests on standard and split pistons to show deflection with various loads.
| Identifier | ExFiles\Box 77\3\ scan0045 | |
| Date | 9th April 1919 guessed | |
| X3732 Tests on standard & split piston to show deflection with various loads. We have loaded a standard piston in manner as sketched & a split piston as shewn below. Deflection Load in LBS | Standard piston | Split piston 104 | .002 | .004 144 | .0025 | .005 184 | .003 | .007 224 | .0035 | .009 264 | .004 | .011 304 | .0045 | .0115 344 | .005 | .013 384 | .0055 | .014 424 | .006 | .015 464 | .006 | .016 504 | .006 | .017 544 | .0065 | .018 584 | .007 | .019 624 | .007 | .020 664 | .008 | .021 704 | .0085 | .022 744 | .009 | .024 784 | .009 | .025 824 | .0095 | .024 | ||