The "Airex Engine Corp." was located in Astoria, NY. There are two known radial engine models, both have 11 cylinders and they are air-cooled.

-The RX-2 gives 200 hp with 632 cu in and the RX-10 gives 1,000 hp (sic) with 2,170 cubic inches of displacement. (More information in the US National Archives, Ref. 3266/452.8).

-We localized a photography and a drawing of the two Airex engines in the book "Aerosphere" from 1939 by Glenn Angle.

“Airex RX-2”

“Airex RX-10”