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).
Glycol cooling specifications and operating temperature considerations.
| Identifier | ExFiles\Box 173\2\ img171 | |
| Date | 5th March 1934 | |
| -2- I confirmed that my specification for Glycol Radiator solder was O.K. They are now considering here that 300°F.{Mr Friese} is too hot to run Glycol cooling as with this they get hot spots as warm as in the air cooled. Are therefore dropping to 250°F.{Mr Friese} they think. Ha/Ra. | ||