Re: American lightweights
Schickel
1920 Johnson 2 stroke flat twin
American Monark 2 stroke flat twin.
Marman flat twin 2 stroke
A footnote about the Marman company founder, Herbert Manfred "Zeppo" Marx: Offstage, Marx had great mechanical skills and was largely responsible for keeping the Marx family car running. Marx later owned a company which machined parts for the war effort during World War II, Marman Products Co. Inglewood, CA, later known as the Aeroquip Company. This company produced a motorcycle, called the Marman Twin[5] and the Marman clamps used to hold the "Fat Man" atomic bomb inside the B-29 bomber, Bockscar.[6] He also founded a large theatrical agency with his brother Gummo, and invented a wristwatch that would monitor the pulse rate of cardiac patients and give off an alarm if they went into cardiac arrest.[6]