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).
File note detailing the specifications for a Mark V piston for a Large Bore Bentley.
| Identifier | ExFiles\Box 87\2\ scan0089 | |
| Date | 6th November 1935 | |
| V236 File Note. 6.11.35. Piston for Large Bore Bentley. Mark V piston, similar to standard Bentley except that it has strengthened gudgeon pin boss. It is ground to a No.14 cam, with .003" clearance at the top and .0025" clearance at the bottom. The crown is unstrengthened, and there is no saw cut. | ||