aerocycle

Updated: May 1, 2025

The passenger's seat now occupied by Hiram was in the center line of the machine, so that, filled or vacant, the lateral balance was not affected. Hiram knew all about the monoplane dummy or the aerocycle with treadle power for practice work which he had operated under old Grimshaw's direction. As to the practical running of a biplane aloft, however, that was something for him to learn.

Roy Rockwood - Dave Dashaway and His Hydroplane