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).
Four alternative schemes for the Bentley 111 engine's throttle controls, requesting a cost and convenience comparison.
| Identifier | ExFiles\Box 97\1\ scan0103 | |
| Date | 30th December 1937 | |
| RHC.{R. H. Coverley - Production Engineer} c. Rm{William Robotham - Chief Engineer}/GWH.{George W. Hancock - Head Chateauroux} 2006. DA.{Bernard Day - Chassis Design}18/G.30.12.37. Kingsbury [crossed out] H O D BENTLEY 111. ENGINE CONTROLS. Swoll- Have a talk to the estimating people to see what this is about Pma On the attached print of E.CD.325 are shewn four alternative methods of operating the throttles on the double carburetters of the Bentley 111 engine. Schemes 1 and 2 are similar except for the method of making the male part of the universal joints, while 3 and 4 are also similar to one another except for the method of adjusting the length of rod and position of levers on the countershaft. Would you give us an idea of the relative cost of these schemes. The issue is between the method of joining the throttle spindles direct (as in schemes 1 and 2) and the method of using a countershaft with connecting links, as in 3 and 4. There is also a question of the relative convenience of the schemes for erecting and setting purposes. DA.{Bernard Day - Chassis Design} | ||