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The Zanzottera MZ 301 is a three-cylinder, in-line
two-stroke A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a Thermodynamic power cycle, power cycle with two strokes (up and down movements) of the piston during one power cycle, this power cycle being comple ...
,
dual ignition Dual Ignition is a system for spark-ignition engines, whereby critical ignition components, such as spark plugs and magnetos, are duplicated. Dual ignition is most commonly employed on aero engines,Crane, Dale: ''Dictionary of Aeronautical Terms ...
aircraft engine An aircraft engine, often referred to as an aero engine, is the power component of an aircraft propulsion system. Most aircraft engines are either piston engines or gas turbines, although a few have been rocket powered and in recent years many ...
designed for
ultralight aircraft Ultralight aviation (called microlight aviation in some countries) is the flying of lightweight, 1- or 2-seat fixed-wing aircraft. Some countries differentiate between weight-shift control and conventional three-axis control aircraft with ailer ...
.Cliche, Andre: ''Ultralight Aircraft Shopper's Guide'' 8th Edition, page G-10 Cybair Limited Publishing, 2001. The engine was originally designed and produced by Zanzottera Technologies of
Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical re ...
, 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 Surrey is a city in British Columbia, Canada. It is located south of the Fraser River on the Canada–United States border. It is a member municipality of the Metro Vancouver regional district and metropolitan area. Mainly a suburban city, Surr ...
,
Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...
. Compact Radial Engines was then in turn acquired by Fiate Aviation Co., Ltd. of Hefei, Anhui,
China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
in August 2017. Fiate Aviation did not advertise the engine as available in 2021.


Development

The MZ 301 was developed first as a
fuel injected Fuel injection is the introduction of fuel in an internal combustion engine, most commonly automotive engines, by the means of an injector. This article focuses on fuel injection in reciprocating piston and Wankel rotary engines. All compr ...
lightweight competitor to the more expensive liquid-cooled four stroke
Rotax 912 The Rotax 912 is a horizontally-opposed four-cylinder, naturally aspirated, four-stroke aircraft engine with a reduction gearbox. It features liquid-cooled cylinder heads and air-cooled cylinders. Originally equipped with carburetors, late ...
. Later a
carbureted A carburetor (also spelled carburettor) is a device used by an internal combustion engine to control and mix air and fuel entering the engine. The primary method of adding fuel to the intake air is through the venturi tube in the main meterin ...
version of the MZ 301 was developed with three Bing 54 carburetors and producing . The MZ 301 has cylinder barrels that are
Nikasil Nikasil is a trademarked electrodeposited lipophilic nickel matrix silicon carbide coating for engine components, mainly piston engine cylinder liners. Development Nikasil was introduced by Mahle in 1967, and initially developed to allow Wankel ...
-coated. The bore and stroke are the same as the single cylinder MZ 34 engine and twin-cylinder MZ 201 and MZ 202 powerplants . The MZ 301 features electric starting and the RZ2 gearbox with optional reduction ratios of 2.18, 2.55, 2.88, 3.11 or 3.66 to 1.


Variants

;MZ 301 with three carburetors :Three-cylinder, fan-cooled, two stroke dual ignition at 5,800 rpm aircraft engine. Equipped with three Bing 54
carburetor A carburetor (also spelled carburettor) is a device used by an internal combustion engine to control and mix air and fuel entering the engine. The primary method of adding fuel to the intake air is through the venturi tube in the main meteri ...
s. Weight with electric starter, 3 into 1 exhaust manifold and muffler. ;MZ 301 with fuel injection :Three-cylinder, fan-cooled, two stroke dual ignition at 6,250 rpm aircraft engine. Equipped with multipoint fuel injection. Weight with electric starter, battery, fuel injection system, fuel pump, three mufflers and RZ2 gearbox.


Applications

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Mosquito Aviation XE The Mosquito Aviation XE is a single seat homebuilt helicopter. By 2015 Mosquito Aviation was out of business and the design was being produced by Innovator Technologies of Rockyview, Alberta, Canada.Tacke, Willi; Marino Boric; et al: ''Wor ...


Specifications (MZ 301)


See also


References

{{Zanzottera Compact Radial Engines aircraft engines Zanzottera aircraft engines Air-cooled aircraft piston engines Two-stroke aircraft piston engines Straight-three engines