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).
Sources of friction in radiator shutters and proposing a solution.
| Identifier | ExFiles\Box 15\1\ Scan353 | |
| Date | 8th September 1930 | |
| X 7250. From Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} c. to By.{R.W. Bailey - Chief Engineer} Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}1/MJ.8.9.30. 17250 X3499 SHUTTER FRICTION. We have been going into the question of reducing the amount of friction in the radiator shutters. We find that one of the greatest sources of trouble is in the parallel linkage operation, as shewn in the attached sketch. The link "A" is oppressing, and in practise the centres "B" of the little levers all vary sufficiently to stiffen up the shutters. Actually, the simplest way to overcome this difficulty would appear to be to have slots in the link "A" for the pin bearings "C" of the little levers. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||