Büttner Easy Plane

Last updated
Easy Plane
Role Paramotor
National origin Germany
Manufacturer Büttner Propeller
Designer Gerald Büttner
Status Production completed
Unit cost
€4,290 (2004)

The Büttner Easy Plane is a German paramotor that was designed by Gerald Büttner and produced by Büttner Propeller of Obernkirchen for powered paragliding. Now out of production, when it was available the aircraft was supplied complete and ready-to-fly. [1]

Germany Federal parliamentary republic in central-western Europe

Germany, officially the Federal Republic of Germany, is a country in Central and Western Europe, lying between the Baltic and North Seas to the north, and the Alps to the south. It borders Denmark to the north, Poland and the Czech Republic to the east, Austria and Switzerland to the south, France to the southwest, and Luxembourg, Belgium and the Netherlands to the west.

Paramotor Small manned parachute aircraft

Paramotor is the generic name for the harness and propulsive portion of a powered paraglider ("PPG"). There are two basic types of paramotors; foot launch and wheel launch. Foot launch models consist of a harness attached to a frame. The frame is used to combine the harness, engine and propeller. The frame also includes a hoop and protective netting to separate the pilot from the propeller and the engine. The pilot wears this Paramotor like a large backpack which then is attached to Paragliding wing. Wheel launch units include some cart, usually having 3 or 4 wheels, with seats for one or two occupants.

Büttner Propeller

Büttner Propeller, also known as Gerald Büttner - Obernkirchen, is a German aircraft manufacturer based in Obernkirchen and founded by Gerald Büttner. The company specializes in the design and manufacture of powered parachutes, paramotors and aircraft propellers. The aircraft are ready-to-fly designs for the European Fédération Aéronautique Internationale microlight and 120 kg categories.

Contents

Design and development

The Easy Plane was designed to comply with the US FAR 103 Ultralight Vehicles rules as well as European regulations. It features a paraglider-style wing, single-place accommodation and a single 20 hp (15 kW) Solo engine in pusher configuration with a 2.85:1 ratio reduction drive and a 115 cm (45 in) diameter Büttner Propeller-designed propeller. The fuel capacity is 5 litres (1.1 imp gal; 1.3 US gal), with an option of a 10 litres (2.2 imp gal; 2.6 US gal) tank. [1]

Pusher configuration arrangement of propellers on an aircraft to face rearward

In a vehicle with a pusher configuration, the propeller(s) are mounted behind their respective engine(s). According to British aviation author Bill Gunston, a "pusher propeller" is one mounted behind the engine, so that the drive shaft is in compression.

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.

As is the case with all paramotors, take-off and landing is accomplished by foot. Inflight steering is accomplished via handles that actuate the canopy brakes, creating roll and yaw. [1]

Specifications (Easy Plane)

Data from Bertrand [1]

General characteristics

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.

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References

  1. 1 2 3 4 Bertrand, Noel; Rene Coulon; et al: World Directory of Leisure Aviation 2003-04, page 66. Pagefast Ltd, Lancaster UK, 2003. ISSN 1368-485X
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