Rotax is the brand name for a range of

internal combustion engine An internal combustion engine (ICE or IC engine) is a heat engine in which the combustion of a fuel occurs with an oxidizer (usually air) in a combustion chamber that is an integral part of the working fluid flow circuit. In an internal c ...

s developed and manufactured by the

Austria Austria, , bar, Östareich officially the Republic of Austria, is a country in the southern part of Central Europe, lying in the Eastern Alps. It is a federation of nine states, one of which is the capital, Vienna, the most populous ...

n company BRP-Rotax

GmbH & Co KG A (abbreviated "KG", ; from + ) is the German name for a limited partnership business entity and is used in German, Belgian, Dutch, Austrian, and some other European legal systems. In Japan, it is called a '' gōshi gaisha''. Its name derives ...

(until 2016 BRP-Powertrain GmbH & Co. KG), in turn owned by the Canadian Bombardier Recreational Products. Rotax four-stroke and advanced

two-stroke A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a power cycle with two strokes (up and down movements) of the piston during one power cycle, this power cycle being completed in one revolution of ...

engines are used in a wide variety of small land, sea and airborne vehicles. Bombardier Recreational Products (BRP) use them in their own range of such vehicles. In the light aircraft class, in 1998 Rotax outsold all other aero engine manufacturers combined.Gunston, W.; "''World Encyclopaedia of Aero Engines''", 4th Edition, Patrick Stephens Ltd, 1998, Page 170.

History

The company was founded in 1920 in

Dresden Dresden (, ; Upper Saxon: ''Dräsdn''; wen, label= Upper Sorbian, Drježdźany) is the capital city of the German state of Saxony and its second most populous city, after Leipzig. It is the 12th most populous city of Germany, the fourth ...

, Germany, as ROTAX-WERK AG. In 1930, it was taken over by

Fichtel & Sachs ZF Sachs AG, also known as Fichtel & Sachs, was founded in Schweinfurt in 1895 and was a well-known German family business. At its last point as an independent company, the company name was Fichtel & Sachs AG. In 1997, the automotive supplier wa ...

and transferred its operations to

Schweinfurt Schweinfurt ( , ; ) is a city in the district of Lower Franconia in Bavaria, Germany. It is the administrative centre of the surrounding district (''Landkreis'') of Schweinfurt and a major industrial, cultural and educational hub. The urban ag ...

, Germany. Operations were moved to

Wels Wels (; Central Bavarian: ''Wös'') is a city in Upper Austria, on the Traun River near Linz. It is the county seat of Wels-Land, and with a population of approximately 60,000, the eighth largest city in Austria. Geography Wels is in the ...

, Austria, in 1943 and finally to

Gunskirchen Gunskirchen is a town in the Austrian state of Upper Austria. Geography Gunskirchen lies in the Hausruckviertel. About 11 percent of the municipality is forest, and 78 percent is farmland. Internal combustion engine maker Rotax has been headquart ...

, Austria, in 1947. In 1959, the majority of Rotax shares were taken over by the Vienna-based Lohner-Werke, a manufacturer of car and railway wagon bodies. In 1970, Lohner-Rotax was bought by the Canadian Bombardier Inc. The former Bombardier branch, Bombardier Recreational Products, now an independent company, uses Rotax engines in its ground vehicles,

personal water craft A personal watercraft (PWC), also called water scooter or jet ski, is a recreational watercraft that a rider sits or stands on, not within, as in a boat. PWCs have two style categories, first and most popular being a runabout or "sit down" whe ...

, and

snowmobile A snowmobile, also known as a Ski-Doo, snowmachine, sled, motor sled, motor sledge, skimobile, or snow scooter, is a motorized vehicle designed for winter travel and recreation on snow. It is designed to be operated on snow and ice and does not ...

Applications

Snowmobiles

Ski-Doo Ski-Doo is a brand name of snowmobile manufactured by Bombardier Recreational Products (originally Bombardier Inc. before the spin-off). The Ski-Doo personal snowmobile brand is so iconic, especially in Canada, that it was listed in 17th place ...

snowmobiles from Bombardier Recreational Products are equipped with Rotax engines, including two-stroke and four-stroke, turbocharged and naturally aspirated, two- and three-cylinder models.

Aircraft

Rotax supplies aircraft engines for ultralight aircraft,

light aircraft A light aircraft is an aircraft that has a maximum gross takeoff weight of or less.Crane, Dale: ''Dictionary of Aeronautical Terms, third edition'', page 308. Aviation Supplies & Academics, 1997. Light aircraft are used as utility aircraft co ...

and

unmanned aerial vehicle An unmanned aerial vehicle (UAV), commonly known as a drone, is an aircraft without any human pilot, crew, or passengers on board. UAVs are a component of an unmanned aircraft system (UAS), which includes adding a ground-based controll ...

Motorcycles

The Can-Am division of Bombardier Inc. developed a line of motorcycles starting in 1971, powered by Rotax engines. The Can-Am motorcycle operation was outsourced to

Armstrong-CCM Motorcycles Armstrong-CCM Motorcycles was a British motorcycle manufacturer based in Bolton, England. Alan Clews formed CCM in 1971 from what was left of BSA's off-road competition team and bought spares to produce his own motorcycles. This was a succe ...

in 1983, with production ending in 1987. Motorcycle manufacturers using Rotax engines, either Rotax-branded or branded for the OEM, include Aprilia, BMW (F and G series), Buell and

KTM KTM AG (Kraftfahrzeug Trunkenpolz Mattighofen, formerly KTM Sportmotorcycle AG) is an Austrian motorcycle, bicycle and sports car manufacturer owned by Pierer Mobility AG and the Indian manufacturer Bajaj Auto. It was formed in 1992 but traces ...

. Can-Am resumed motorcycle production with a series of on-road three-wheel motorcycles, starting with the

Spyder The SPYDER ("Surface-to-air Python and Derby") is an Israeli short and medium range mobile air defence system developed by Rafael Advanced Defense Systems with assistance from Israel Aerospace Industries (IAI). Rafael is the prime contractor a ...

, using Rotax engines. As of 2020, there are three models: the Ryker uses the 2-cylinder 600 ACE and 3-cylinder 900 ACE, the Spyder F3 and the Spyder RT use the 3-cylinder 1330 ACE.

Personal watercraft

As of 2020, all

Sea-Doo Sea-Doo is a Canadian brand of personal watercraft (PWC) and boats manufactured by Bombardier Recreational Products (BRP). All Sea-Doo models are driven by an impeller-driven waterjet. All Sea-Doo PWC models are currently produced at BRP's plants ...

brand personal watercraft from Bombardier Recreational Products are equipped with four-stroke, supercharged and normally aspirated, three-cylinder Rotax engines of the ACE (Advanced Combustion Efficiency) series.

Off-road vehicles

Can-Am Off-Road Can-Am ATVs and side-by-side vehicles are manufactured by BRP / Bombardier Recreational Products a Canadian company, once part of Bombardier Inc. Founded in 1942 as L'Auto-Neige Bombardier Limitée (Bombardier Snow Car Limited) by Joseph-Arma ...

vehicles from Bombardier Recreational Products are equipped with Rotax engines.

Karting

The company introduced the

Rotax Max The Rotax Max 125 Engine is a two-stroke engine designed by Rotax, part of Bombardier Recreational Products (BRP), to provide cost-effective but high speed kart racing. Built in Austria, the engine is liquid cooled, equipped with a balance shaft ...

for karting in 1998, and started organizing the

Rotax Max Challenge The Rotax Max Challenge Grand Finals (RMC) is a kart racing series owned and organized worldwide by Rotax, BRP-Powertrain and its distributors, approved and in compliance with Commission Internationale de Karting, CIK-FIA. Competition takes ...

in 2000. It also introduced the Mojo karting tyres in 2006 and the XPS lubricants in 2010.

Products

Aircraft engines

3Xtrim3X55TrainerC-IFUF46Rotax912Sinstallation

Rotax engines designed specifically for light aircraft include both four-stroke and two-stroke models. Current models are: * Rotax 912 series, four-stroke *

Rotax 914 The Rotax 914 is a turbo-charged, four-stroke, four-cylinder, horizontally opposed aircraft engine with air-cooled cylinders and water-cooled cylinder heads. It is designed and built by the Austrian company BRP-Powertrain, owned by Bombardier ...

series, four-stroke *

Rotax 915 The Rotax 915 iS is an Austrian aircraft engine, produced by Rotax of Gunskirchen for use in ultralight aircraft, homebuilt aircraft, light-sport aircraft, small helicopters and gyroplanes. The engine was type certified in 2017. The engine wa ...

series, four-stroke Rotax 503 display

Historical models no longer in production include: *

Rotax 275 The Rotax 275 is a , single-cylinder, two-stroke aircraft engine, built by BRP-Rotax GmbH & Co. KG of Austria for use in Self-launched Gliders. Design The Rotax 275 is a single-cylinder two-stroke engine with an air-cooled cylinder head and ...

, two-stroke *

Rotax 277 The Rotax 277 is a , single-cylinder, two-stroke aircraft engine, that was built by BRP-Rotax GmbH & Co. KG of Austria Austria, , bar, Östareich officially the Republic of Austria, is a country in the southern part of Central Euro ...

, two-stroke *

Rotax 377 The Rotax 377 is a , twin-cylinder, two-stroke aircraft engine, that was built by BRP-Rotax GmbH & Co. KG of Austria for use in ultralight aircraft.Raisner, William: ''LEAF catlog'', pages 6-105. Leading Edge Airfoils, 1995. Development The Ro ...

, two-stroke *

Rotax 447 The Rotax 447 is a , inline 2-cylinder, two-stroke aircraft engine, built by BRP-Rotax GmbH & Co. KG of Austria for use in ultralight aircraft.Raisner, William: ''LEAF catlog'', pages 6-105. Leading Edge Airfoils, 1995. Design and development ...

UL, two-stroke *

Rotax 503 The Rotax 503 is a , inline 2-cylinder, two-stroke aircraft engine, built by BRP-Rotax GmbH & Co. KG of Austria for use in ultralight aircraft.Raisner, William: ''LEAF catlog'', pages 6-105. Leading Edge Airfoils, 1995. As of 2011 the Rot ...

UL, two-stroke *

Rotax 532 The Rotax 532 is a two-stroke, two-cylinder, rotary valve engine, liquid-cooled, gear reduction-drive engine that was formerly manufactured by BRP-Rotax GmbH & Co. KG. It was designed for use on ultralight aircraft.Raisner, William: ''LEAF cat ...

UL, two-stroke * Rotax 535 certified two-stroke *

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 ...

UL, two-stroke *

Rotax 618 The Rotax 618 is a two-stroke, two-cylinder, liquid cooled, gear reduction-drive engine that was formerly manufactured by BRP-Rotax GmbH & Co. KG. It was designed for use on ultralight aircraft.Raisner, William: ''LEAF catalog'', pages 6-105. ...

UL, two-stroke

Karting engines

The Rotax MAX engine karting engine is a two-stroke engine series, launched in 1997.

OEM

The company also produces unbranded engines, parts and complete powertrains for

Original Equipment Manufacturers An original equipment manufacturer (OEM) is generally perceived as a company that produces non-aftermarket parts and equipment that may be marketed by another manufacturer. It is a common industry term recognized and used by many professional or ...

(OEM). Uses include motor bikes and scooters, with complete engines including the

Rotax 122 Rotax is the brand name for a range of internal combustion engines developed and manufactured by the Austrian company BRP-Rotax GmbH & Co KG (until 2016 BRP-Powertrain GmbH & Co. KG), in turn owned by the Canadian Bombardier Recreational Product ...

and Rotax 804.

References

External links

Official WebsiteRotax Aircraft Engines
{{Rotax aeroengines Aircraft engine manufacturers of Austria Bombardier Recreational Products Manufacturing companies established in 1920 Kart manufacturers Motorcycle engine manufacturers Motorcycle manufacturers of Austria Two-stroke gasoline engines Automotive motorsports and performance companies Austrian brands 1920 establishments in Germany Engine manufacturers of Austria Economy of Upper Austria