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).
Requesting to expedite an experiment on rocker lever tappet rollers made from special ball bearing steel.
| Identifier | ExFiles\Box 42\2\ Scan038 | |
| Date | 14th May 1918 | |
| To Mr.Hives from BY/C. c.c. to Mr.Coverley. c.c. to EFC. c.c. to M.{Mr Moon / Mr Moore} 14th May - 1918. BY/C2/H14518. RE ROCKER LEVER TAPPET ROLLERS MADE IN SPECIAL BALL BEARING STEEL "FALCONS" X.3238. With reference to the 6 sets of Valve Rollers which we instructed to be made under the above X number, from special ball bearing steel, we should be glad if you would urge this experiment in order to obtain the required information viz:- whether they are better or worse than our standard material of C.H.N.S. case hardened. BY/C. | ||