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).
Manufacturing change to the undercuts on a Bentley connecting rod bearing bush.
| Identifier | ExFiles\Box 114\3\ scan0150 | |
| Date | 14th August 1937 | |
| c. Rm{William Robotham - Chief Engineer}/GWH.{George W. Hancock - Head Chateauroux} BENTLEY. E.B.3377 BUSH - CONNECTING ROD BEARING. BIG END. Will you kindly arrange to have the undercuts, at the junction of the side flanges and 2.250 dia. altered from .100 + 10 to .050 + 10. Now that this piece is produced by diamond turning the wide undercut is no longer necessary, whereas before it was required to cover the radius on the grinding wheel. [Drawing Text] UNDERCUT .050 WIDE +10 2.250 Dia THIS DIA UNALTERED BY.{R.W. Bailey - Chief Engineer} | ||