Fans of both Airboy Comics and Blackhawk might have been surprised to see two similar contraptions on the covers of each, close together. Blackhawk was out first, cover-dated September 1952, while Airboy Comics followed shortly in an issue dated December 1952.
Blackhawk cover by Reed Crandall
So...is the Airboy wheel a retread? (Yuk, yuk.)
From Airboy Comics Volume 9 Number 11 (1952). Art by Ernest Schroeder.