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).
Major Halford's suggestions for reducing the weight of the rocker and hydraulic unit for Halford Tappets on a Bentley.
| Identifier | ExFiles\Box 88\4\ scan0114 | |
| Date | 8th September 1934 | |
| +254 To RHC.{R. H. Coverley - Production Engineer} Hs{Lord Ernest Hives - Chair}/Smth.18/KW. 8.9.34. Halford Tappets on Bentley. Major Halford has submitted suggestions whereby we may effect considerable reductions in the weight of the rocker and hydraulic unit (SK.4437/76/77 att.). Will you please make us up one rocker to this scheme for trial purposes. The thimble clearance on the hydraulic unit should be .00025. Hs{Lord Ernest Hives - Chair}/Smth. | ||