Advances in Aviation 1929
AERONAUTIC ADVANCES
by ALEXANDER KLEMIN, Sc.M.
Professor of Aeronautics,
New York University
ONE of the most striking developments of the year in aeronautics has been the use of ethylene glycol in the cooling of aircraft engines. Since water boils at 212 degrees F., operating temperatures must be kept down to 180 degrees. With ethylene glycol an operating temperature of [...]







