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).
Tests of radiator pressure with different overflow pipe configurations.
| Identifier | ExFiles\Box 149a\1\ scan0036 | |
| Date | 30th December 1932 | |
| To Hs.{Lord Ernest Hives - Chair} from GWH.{George W. Hancock - Head Chateauroux} c. Rm.{William Robotham - Chief Engineer} E.{Mr Elliott - Chief Engineer} c. By.{R.W. Bailey - Chief Engineer} X 140. Hs{Lord Ernest Hives - Chair}/GWH.{George W. Hancock - Head Chateauroux}1/KT.30.12.32. 2.PER.II. Tests taken of Pressure in Radiator. Plain Radiator Cap & Scoop on overflow pipe facing forward :- Speed M.P.H. 50 ..... .1" Pressure of water. 60 ..... .15" " " " 70 ..... .2" " " " 75 ..... .3" " " " ----------- Plain Radiator Cap & Standard overflow:- Speed M.P.H. No depression under 60 M.P.H. 60 ..... .5" depression of water 70 ..... .5" " " " 75 ..... .5" " " " ----------- Hs{Lord Ernest Hives - Chair}/GWH.{George W. Hancock - Head Chateauroux} | ||