Austro Engine AE75R

Last updated

AE75R
Type Aircraft engine
National origin Austria
Manufacturer Austro Engine

The Austro Engine AE75R is an Austrian aircraft engine, that was designed and produced by Austro Engine of Wiener Neustadt for use in ultralight aircraft. [1]

Austria Federal republic in Central Europe

Austria, officially the Republic of Austria, is a country in Central Europe comprising 9 federated states. Its capital, largest city and one of nine states is Vienna. Austria has an area of 83,879 km2 (32,386 sq mi), a population of nearly 9 million people and a nominal GDP of $477 billion. It is bordered by the Czech Republic and Germany to the north, Hungary and Slovakia to the east, Slovenia and Italy to the south, and Switzerland and Liechtenstein to the west. The terrain is highly mountainous, lying within the Alps; only 32% of the country is below 500 m (1,640 ft), and its highest point is 3,798 m (12,461 ft). The majority of the population speaks local Bavarian dialects as their native language, and German in its standard form is the country's official language. Other regional languages are Hungarian, Burgenland Croatian, and Slovene.

Aircraft engine engine designed for use in powered aircraft

An aircraft engine is a component of the propulsion system for an aircraft that generates mechanical power. Aircraft engines are almost always either lightweight piston engines or gas turbines, except for small multicopter UAVs which are almost always electric aircraft.

Austro Engine is an Austrian manufacturer of aircraft engines based at Wiener Neustadt in Lower Austria.

Contents

As of March 2018 the engine was no longer advertised for sale on the company website. [2]

Design and development

The AE75R is a twin-rotor four-stroke, 588 cc (35.9 cu in) displacement, air and liquid-cooled, gasoline Wankel engine design, with a helical gear mechanical gearbox reduction drive with reduction ratio of 2.96:1. It employs dual capacitor discharge ignition and produces 75 hp (56 kW) at 7000 rpm, with a compression ratio of 9.5:1. [1]

Wankel engine internal combustion engine using an eccentric rotary design in place of pistons

The Wankel engine is a type of internal combustion engine using an eccentric rotary design to convert pressure into rotating motion.

Reduction drive Device, containing a different gears.

A reduction drive is a mechanical device to shift rotational speed. A planetary reduction drive is a small scale version using ball bearings in an epicyclic arrangement instead of toothed gears.

Capacitor discharge ignition

Capacitor discharge ignition (CDI) or thyristor ignition is a type of automotive electronic ignition system which is widely used in outboard motors, motorcycles, lawn mowers, chainsaws, small engines, turbine-powered aircraft, and some cars. It was originally developed to overcome the long charging times associated with high inductance coils used in inductive discharge ignition (IDI) systems, making the ignition system more suitable for high engine speeds. The capacitive-discharge ignition uses capacitor discharge current to the coil to fire the spark plugs.

Specifications (IAE75R)

Data from Tacke [1]

General characteristics

Components

Propeller speed reduction unit

A propeller speed reduction unit is a gearbox or a belt and pulley device used to reduce the output revolutions per minute (rpm) from the higher input rpm of the powerplant. This allows the use of small displacement internal combustion automotive engines to turn aircraft propellers within an efficient speed range.

Performance

Compression ratio the ratio of the volume of a combustion chamber from its largest capacity to its smallest capacity

The static compression ratio,, of an internal combustion engine or external combustion engine is a value that represents the ratio of the volume of its combustion chamber from its largest capacity to its smallest capacity. It is a fundamental specification for many common combustion engines.

See also

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References

  1. 1 2 3 Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, pages 256-257. Flying Pages Europe SARL, 2015. ISSN   1368-485X
  2. ↑ Austro Engine (2018). "Products". austroengine.at. Retrieved 11 March 2018.
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