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).
Details on spring-loading radiators, fan horsepower, and a War Office request for valve schematics.
| Identifier | ExFiles\Box 25\1\ Scan028 | |
| Date | 6th September 1932 | |
| - 2 - E.V/HP.6.9.32. -------------- to spring load the radiator to 5 lbs per square inch but the radiator is of the Still tube pattern and quite capable of carrying this pressure. It will be noticed that the fan takes 14 HP. at 3000 r.p.m. The War Office are aware that we spring load our car radiators and have asked for a print of the RR. scheme of valve with a view to using it on the tank radiator. E.{Mr Elliott - Chief Engineer} | ||