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).
Modification notice for a Bentley 11 modified rocker arm, strengthening the oil hole section.
| Identifier | ExFiles\Box 88\4\ scan0211 | |
| Date | 23th September 1937 | |
| E.{Mr Elliott - Chief Engineer} Dept. H.{Arthur M. Hanbury - Head Complaints} Dept. G.{Mr Griffiths - Chief Accountant / Mr Gnapp} Dept. D.{John DeLooze - Company Secretary} Dept. C. Rm.{William Robotham - Chief Engineer} C. RHO. C. TR.{Capt. F. W. Turner - Finance} 254 SWDC filer BENTLEY 11 - MODIFIED ROCKER ARM. Please receive herewith E.CD.95 Modified Rocker Arm. The object of this modification is to strengthen the rocker at the section of the oil hole which feeds the push rod cup. We have recently had a failure of a rocker arm at this point which has gradually become weaker due to the progressive increase of the diameter of the oil hole. Will you please alter the detail drawings to suit this modification and instruct the dies to be altered immediately. There is no alteration to machining of rocker arms. DA.{Bernard Day - Chassis Design} | ||