Request to manufacture two sets of Bensport pistons with a specific modification for endurance tests.
| Identifier | ExFiles\Box 86\2\ scan0040 | |
| Date | 23th August 1933 | |
| x23.62 RHC. {R. H. Coverley - Production Engineer} From Hs {Lord Ernest Hives - Chair} /Gry. {Shadwell Grylls} Hs {Lord Ernest Hives - Chair} /Gry. {Shadwell Grylls} 4/MA.23.8.33. BENSPORT(Codename for 3 1/2-litre Bentley) PISTONS. Will you please make two sets of pistons to the attached blue print Hs. {Lord Ernest Hives - Chair} 1107 except that the diameter of the lowest piston ring land is 3.240 the same as the piston skirt. We want these for endurance tests. Hs {Lord Ernest Hives - Chair} /Gry. {Shadwell Grylls} | ||
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).