Zanzottera MZ 34
Introduction The '''Zanzottera MZ 34''' and '''MZ 35''' are a family of single-cylinder, two-stroke, single ignition aircraft engines designed for powered paragliders, one and  two place powered parachutes, single place ultralight trikes, light single place ultralight aircraft and motor gliders.The engine was originally designed and produced by Zanzottera Technologies of Italy, but the design was sold, along with the rest of the company's two-stroke ultralight aircraft engine line to Compact Radial Engines of Surrey, British Columbia, Canada. Compact Radial Engines was then in turn acquired by Fiate Aviation Co., Ltd. of Hefei, Anhui, China in August 2017.
Development The MZ 34 and 35 both have a cylinder barrel that is Nikasil-coated. The engine features a decompression channel to allow easier recoil starting, a tuned exhaust system and a belt-type reduction drive. Starting options include a recoil or electric starter.Earlier versions produced  at 6250 rpm or  with a tuned exhaust at 6450 rpm. The Compact Radial Engines production engine is rated at  at 6250 rpm. Reduction ratios available are 1.84, 2.05, 2.14, 2.24 and 2.34 to 1.The owners manual acknowledges the limitations inherent in the design of the engine, stating:
Variants ;MZ 34:Single cylinder, two stroke single ignition aircraft engine optimized for powered paragliders, one and  two place powered parachutes, single place ultralight trikes, light single place ultralight aircraft;MZ 35:Single cylinder, two stroke single ignition aircraft engine with a narrower profile, optimized for motor-gliders
Applications
Specifications (MZ 34)
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