The Zanzottera MZ 201 and MZ 202 are a family of twin-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 ...

s 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 ...

and

motor glider A motor glider is a fixed-wing aircraft that can be flown with or without engine power. The FAI Gliding Commission Sporting Code definition is: a fixed-wing aerodyne equipped with a means of propulsion (MoP), capable of sustained soaring flight ...

s.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.

Development

The MZ 202 was developed first as a lightweight competitor to the liquid-cooled

Rotax 582 The Rotax 582 is a two-stroke, two-cylinder, rotary intake valve, oil-in-fuel or oil injection pump, liquid-cooled, gear reduction-drive aircraft engine manufactured by BRP-Rotax GmbH & Co. KG. It is for use in non-certified aircraft operating ...

. Later the MZ 201 was developed from the MZ 202 as a de-rated version intended for motorgliders and single place ultralights that needed more power than the single-cylinder

Zanzottera MZ 34 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 ultralig ...

. The MZ 201 and 202 both have a 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. The MZ 201 features an optional

recoil starter Rope start (also called pull start or ''rewind start'') is a method of starting an internal combustion engine, usually on small machines, such as lawn mowers, chainsaws, ultralight aircraft, small outboard motors and portable engine-generators. A ...

or electric starting, while the MZ 202 has electric starting only. The MZ 201 has a choice of a reduction drive belt or gearbox, while the MZ 202 offers just the gearbox with reduction ratios of 2.18, 2.55, 2.88, 3.11 or 3.66 to 1. The owners manual acknowledges the limitations inherent in the design of the engine, stating:

Variants

;MZ 201 :Twin-cylinder, air-cooled, two-stroke dual ignition aircraft engine optimized for motorgliders and single place ultralights. Equipped with a single Tillotson

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 ...

. ;MZ 202 :Twin-cylinder, air-cooled, two-stroke dual ignition aircraft engine. Equipped with dual Bing carburetors. ;MZ 202i :Twin-cylinder, air-cooled, two-stroke dual ignition aircraft engine. Equipped with

electronic fuel injection Manifold injection is a mixture formation system for internal combustion engines with external mixture formation. It is commonly used in engines with spark ignition that use petrol as fuel, such as the Otto engine, and the Wankel engine. In a mani ...

, controlled by a computerized engine management system. No longer in production

Applications

;MZ 201 *

Belite Aircraft Superlite The Belite Superlite, originally the product of Belite Aircraft, is a single-seat, high-wing, single-engine ultralight aircraft developed from the Kitfox Lite aircraft especially for the United States FAR 103 Ultralight Vehicles category.

SlipStream Scepter The SlipStream Genesis is a family of American, strut-braced, high wing, pusher configuration, tricycle gear aircraft, produced in kit form, for amateur construction. Designed by Chuck Hamilton, the series were originally produced by Innovatio ...

SNAS Stryke-Air Bi The SNAS Stryke-Air Bi ( en, two-place) is a French powered parachute that was designed and produced by Société Nouvelle d'Aviation Sportive (SNAS) of Noillac. Now out of production, when it was available the aircraft was supplied complete ...

Spacek SD-1 Minisport The Spacek SD-1 Minisport is a Czech amateur-built aircraft, designed by Igor Špaček and produced by Spacek sro of Hodonin. The aircraft was also produced for a short time in the United States by SkyCraft Airplanes of Orem, Utah as a lig ...

Star Bee Light The Taggart GyroBee is an American autogyro that was designed by Ralph E. Taggart of Michigan State University and made available as free documentation. The aircraft is also produced in kit form by Star Bee Gyros of Worcester, Massachusetts fo ...

Taggart GyroBee The Taggart GyroBee is an American autogyro that was designed by Ralph E. Taggart of Michigan State University and made available as free documentation. The aircraft is also produced in kit form by Star Bee Gyros of Worcester, Massachusetts f ...

* Wings of Freedom Flitplane ;MZ 202 * ASAP Beaver Plus 2 *

Apex Cross 5 The Apex Eco 6 is the first of a family of Czech single and two seat flying wing ultralight trikes that were designed and produced by To-Mi Aviation and later by Apex Aviation. The aircraft were supplied as kits for amateur construction.Cliche, ...

Innovator Mosquito Air The Innovator Mosquito Air is a Canadian helicopter produced by Innovator Technologies of Rockyview, Alberta. The aircraft is supplied as a kit for amateur construction.Tacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 20 ...

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 ...

* Sabre Wildcat * Star Bee Total Bee

Specifications (MZ 202)

References

External links