Zenair’s Origins and the CH-100 Mono-Z
In 1974, German engineer and designer Chris Heintz established Zenair Ltd. in Richmond Hill, Ontario, Canada, specializing in the production of light aircraft. One of the company’s inaugural projects was the CH-100 Mono-Z, also known as Mono-Zenith, marking the beginning of its significant contributions to aviation.
The CH-100 prototype made its maiden flight on May 8, 1975. This single-seat, low-wing cantilever monoplane featured a tricycle landing gear with a nose wheel. It was powered by an air-cooled VW 1600 piston engine, delivering 55 hp (41 kW). Over 100 self-assembly kits were sold during its production run, making it a considerable success.
The Acrobatic CH-150 Acro Zenith
In 1980, Zenair released a new variant based on the CH-100, designated the CH-150 Acro Zenith. This aircraft was specifically designed for aerobatic and sport performances, boasting a maximum operational overload capability of +12g. For its powerplant, a four-cylinder Lycoming O-320 piston engine, producing 150 hp (110 kW), was chosen.
The CH-150 could also accommodate other engines ranging from 100 to 180 hp, offering flexibility to builders. Unlike its predecessor, the CH-150 was equipped with a tailwheel tricycle landing gear, a configuration often preferred for aerobatic maneuvers, distinguishing it from the earlier model.
Technical Specifications
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Image gallery of the Zenair CH-100 Mono-Z and CH-150 Acro Zenith
