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).
Follow-up letter discussing the Allison engine's cooling system, with additional information from Wright Field on radiators and corrosion.
| Identifier | ExFiles\Box 173\2\ img184 | |
| Date | 22th February 1934 | |
| S.G.WORTHY E.{Mr Elliott - Chief Engineer} By L.R. LPF/Hs{Lord Ernest Hives - Chair}/Rum/H.W. De HDY{William Hardy} Hs.{Lord Ernest Hives - Chair} WRIGHT FIELD. I gave you the somewhat sketchy information available on the Allison engine in my last letter. The interesting thing seems to be that they have had no trouble with the shrink fit of the liner so far. One can imagine it being proof against glycol leaks but one wonders how it successfully cools at high M.E.P's at the top. However one cannot see that it should be materially worse than the air cooled. The head and liners as a unit might make a useful construction for the P.V. I shall be interested to know your findings as to the relative efficiency of the Pancake, Pent House, Hemi Spherical, Two & four valve heads. Other information from Wright Field. 1) Ethylene Glycol Radiators Average glycol radiator 9" depth, 1.75 sq ft - total area, lowest area frontal used 1.2 sq ft, average 1.5 sq ft for Conqueror. Are being forced to used shutters with Glycol for temperature Control. 2) Cold Corrosion Ethge. They too have run into this, especially | ||