| Show ETHYLENE GLYCOL KEEPS MOTOR COOL A Aviation engineers have found that they may be able to fill the radiator of ot an airplane motor and seal al the top never to be faced raced again with engine cooling troubles says Popular Popular lar ar Mechanics Magazine This in ef- ef feet has been done by research engineers engineers engineers en en- experimenting with a liquid cooled engine which has no radiator in n the ordinary sense o of the term The agent used is ethylene glycol which bolls boils at degrees Fahrenheit Fahrenheit Fahren Fahren- heit belt instead of degrees as water does Having a higher specific heat It t conducts heat away from the cylinders cyl cyl- cyl inders faders f faster ster than water It flows lows around the cylinders but Instead of passing through coils and fins it circulates within itself the hot fluid rising and the cool faIling falling giving off oU through the engine casing and external external external exter exter- nal fins the heat absorbed from the walls With the new medium it will willbe willbe be possible for en engineers to build an engine with a radiator only half haI as large as one that is water cooled |