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).
On radiator shutter friction, arguing against using a closing spring and suggesting design modifications to the lower bearing instead.
| Identifier | ExFiles\Box 15\1\ Scan343 | |
| Date | 31th August 1930 | |
| Hs.{Lord Ernest Hives - Chair} } FROM R.{Sir Henry Royce} BY.{R.W. Bailey - Chief Engineer} } c. Sg.{Arthur F. Sidgreaves - MD} Wor.{Arthur Wormald - General Works Manager} X7250. ADDITION TO Rl/M31.8.30. X.7770 X.7250 X.3499 P.2. RADIATOR Referring to Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}'s report on radiator shutter friction, and the suggestion of a closing spring, I think it would be a great mistake to fit a spring for the purpose of getting the shutters to close against the unknown friction of bearings due to corrosion, tightness, or want of alignment. I am looking into the modifying of the design of the lower bearing to avoid this fault. In the meantime the length of the bearing should be shortened, the clearance increased, and the support stiffened, as suggested by me on the standardisation sheet. R.{Sir Henry Royce} | ||