The BB Microlight BB-two seater is a Hungarian

ultralight trike An ultralight trike is a type of powered hang glider where flight control is by weight-shift. These aircraft have a fabric flex-wing from which is suspended a tricycle fuselage pod driven by a pusher propeller. The pod accommodates either a ...

, designed and produced by

BB Microlight BB Microlight is a Hungarian aircraft manufacturer based in Baja, Hungary. The company specializes in the design and manufacture of ultralight trike An ultralight trike is a type of powered hang glider where flight control is by weight-shift ...

Baja, Hungary Baja () is a city with county rights in , southern Hungary. It is the second largest city in the county, after the county seat at Kecskemét, and is home to some 35,000 people. Baja is the seat of the Baja municipality. The environs of Baja hav ...

. The aircraft is supplied as a kit for amateur construction or as a complete ready-to-fly-aircraft.Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011–12'', page 207. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X

Design and development

The aircraft was designed to comply with the Fédération Aéronautique Internationale

microlight 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 aile ...

category, including the category's maximum gross weight of . It is marketed in the United States in the Light-sport Aircraft category as an ELSA by Manta Aircraft. The aircraft features a cable-braced

hang glider Hang gliding is an air sport or recreational activity in which a pilot flies a light, non-motorised foot-launched heavier-than-air aircraft called a hang glider. Most modern hang gliders are made of an aluminium alloy or composite frame cover ...

-style

high-wing A monoplane is a fixed-wing aircraft configuration with a single mainplane, in contrast to a biplane or other types of multiplanes, which have multiple planes. A monoplane has inherently the highest efficiency and lowest drag of any wing co ...

, weight-shift controls, a two-seats-in-

tandem Tandem, or in tandem, is an arrangement in which a team of machines, animals or people are lined up one behind another, all facing in the same direction. The original use of the term in English was in ''tandem harness'', which is used for two ...

open cockpit,

tricycle landing gear Tricycle gear is a type of aircraft undercarriage, or ''landing gear'', arranged in a tricycle fashion. The tricycle arrangement has a single nose wheel in the front, and two or more main wheels slightly aft of the center of gravity. Tricycle g ...

with

wheel pants An aircraft fairing is a structure whose primary function is to produce a smooth outline and reduce drag.Crane, Dale: ''Dictionary of Aeronautical Terms, Third Edition'', page 206. Aviation Supplies & Academics Inc, Newcastle Washington, 1997. ...

and a single engine in pusher configuration. The aircraft is made from bolted-together

aluminum Aluminium (aluminum in American and Canadian English) is a chemical element with the symbol Al and atomic number 13. Aluminium has a density lower than those of other common metals, at approximately one third that of steel. It ha ...

tubing, with its double surface wing covered in

Dacron Polyethylene terephthalate (or poly(ethylene terephthalate), PET, PETE, or the obsolete PETP or PET-P), is the most common thermoplastic polymer resin of the polyester family and is used in fibres for clothing, containers for liquids and foo ...

sailcloth. Its span wing is supported by a single tube-type

kingpost A king post (or king-post or kingpost) is a central vertical post used in architectural or bridge designs, working in tension to support a beam below from a truss apex above (whereas a crown post, though visually similar, supports items above f ...

and uses an "A" frame weight-shift control bar. The standard powerplant is a twin cylinder, air-cooled,

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 ...

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, ...

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 ...

engine, with 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 ...

and the two cylinder, air-cooled, four-stroke,

HKS 700E The HKS 700E is a twin-cylinder, horizontally opposed, four stroke, carburetted aircraft engine, designed for use on ultralight aircraft, powered parachutes and ultralight trikes. The engine is manufactured by HKS, a Japanese company noted f ...

engines optional. The aircraft has an empty weight of without the engine fitted and a gross weight of . Full fuel is . A number of different wings can be fitted to the basic carriage, including the US-made 40% double surface Manta RST and the 80% double surface Manta Orca 12 RST. The Manta RST comes in four sizes, graded by wing area: , , and . The Hungarian-made

BB Microlight BB-02 Serpa BB, Bb, or similar, may refer to: In arts and entertainment *BB, abbreviation for a catalogue of works by Béla Bartók * ''BB'' (album), by Mod Sun (2017) *"BB Talk", 2015 song by Miley Cyrus * BB (Transformers), a character in the franch ...

or the BB Microlight BB-01 Bence are also available.

Specifications (BB-two seater with Serpa wing)

References

External links

* {{BB Microlight aircraft 2000s Hungarian sport aircraft 2000s Hungarian ultralight aircraft Homebuilt aircraft Single-engined pusher aircraft Ultralight trikes BB Microlight aircraft