Gyroscopically stabilized too!


http://www.youtube.com/embed/Y0XbqHUAI-0

RBerglund

Rotary radial

http://en.wikipedia.org/wiki/Manly%E2%80%93Balzer_engine


The Manly–Balzer was the first purpose-designed aircraft engine built in 1901 for the Langley Aerodrome project.

The engine was originally ordered from Stephen Balzer (1864-1940) in New York, but his five-cylinder radial engine design failed to live up to its claims.

Langley's chief assistant, Charles Manly  then reworked the engine to produce a design that held the record for power-to-weight ratio Power-to-weight_ratio for any engine for many years.

Manly would later work for Glenn Curtiss  and was one of the team-members who designed the famous Curtiss OX-5.

Many people think the rotary radial was invented in France by Gnome
or somebody in WW I  but it was not. It was invented in New York
by Balzer.

Paul Lamar


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