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).
Scheme for modifying the crankcase and camshafts in the Bentley Single Cylinder Unit.
| Identifier | ExFiles\Box 134\1\ scan0122 | |
| Date | 10th January 1939 | |
| 1129 To By/Ald.{F. Allwood - Experimental Design} c. to Da{Bernard Day - Chassis Design}/JNB. Rm{William Robotham - Chief Engineer}/Ed.{J. L. Edwards}16/JH.10.1.39. Bentley Single Cylinder Unit. Will you please look into a scheme for modifying the bottom half crankcase and camshafts in the above unit (LEC.3606) to incorporate the following. (1) Single camshaft driven from one end only and to have B.60 cams and timing. (2) B.60 bottom tappets and if necessary new push rods to suit existing high power and standard Bentley single cylinder heads. (3) Modifications to be made applicable to the alum bottom half. If this is impracticable the l/C part may be used. Any other necessary details will be supplied by.{R.W. Bailey - Chief Engineer} Rm{William Robotham - Chief Engineer}/Ed.{J. L. Edwards} Rm{William Robotham - Chief Engineer}/Ed.{J. L. Edwards} | ||