The Seamax M-22
is a Brazilian single-engine,
amphibious
Amphibious means able to use either land or water. In particular it may refer to:
Animals
* Amphibian, a vertebrate animal of the class Amphibia (many of which live on land and breed in water)
* Amphibious caterpillar
* Amphibious fish, a fish ...
light sport aircraft
A light-sport aircraft (LSA), or light sport aircraft, is a fairly new category of small, lightweight aircraft that are simple to fly. LSAs tend to be heavier and more sophisticated than ultralight (aka "microlight") aircraft, but LSA restrictio ...
(LSA) and
Fédération Aéronautique Internationale
The (; FAI; en, World Air Sports Federation) is the world governing body for air sports, and also stewards definitions regarding human spaceflight. It was founded on 14 October 1905, and is headquartered in Lausanne, Switzerland. It maintai ...
microlight. Originally manufactured by
AirMax Construções Aeronáuticas of
Jacarepaguá
Jacarepaguá (), with a land area of , is a neighborhood situated in the West Zone of Rio de Janeiro, Brazil. In 2010, it had a population of 157,326. The name comes from the indigenous name of the location, "shallow pond of caymans", yakaré (c ...
and called the Airmax SeaMax, since 2015 it has been built by
Seamax Aircraft
Seamax Aircraft is a Brazilian manufacturer of amphibious light sport aircraft (LSA) based in São João da Boa Vista, São Paulo.
History
The company was founded to produce amphibious aircraft in 1997, by designer and engineer Miguel Rosário ...
of
Sao Paulo
SAO or Sao may refer to:
Places
* Sao civilisation, in Middle Africa from 6th century BC to 16th century AD
* Sao, a town in Boussé Department, Burkina Faso
* Saco Transportation Center (station code SAO), a train station in Saco, Maine, U.S ...
.
[Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', page 23. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X][Tacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 2015-16'', page 79. Flying Pages Europe SARL, 2015. ]
Design and development
The Seamax M-22 was designed in 1999. A prototype was flown in 2000 and the first production aircraft left the factory in 2001. The Seamax M-22 is constructed using composite materials and metal components. It has a two-seat,
side-by-side configuration
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 ...
cabin with a
bubble canopy
A bubble canopy is an aircraft canopy constructed without bracing, for the purpose of providing a wider unobstructed field of view to the pilot, often providing 360° all-round visibility.
The designs of bubble canopies can drastically vary; so ...
which is hydraulically raised for access. The
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 confi ...
is
strut-braced
In aeronautics, bracing comprises additional structural members which stiffen the functional airframe to give it rigidity and strength under load. Bracing may be applied both internally and externally, and may take the form of strut, which act in ...
and the tail is a
cruciform tail __NOTOC__
The cruciform tail is an aircraft empennage configuration which, when viewed from the aircraft's front or rear, looks much like a cross. The usual arrangement is to have the horizontal stabilizer intersect the vertical tail somewhere ...
. The aircraft's
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 ...
is retractable for landing on water. It is powered by a
Rotax 912ULS
The Rotax 912 is a horizontally-opposed four-cylinder, naturally aspirated, four-stroke aircraft engine with a reduction gearbox. It features liquid-cooled cylinder heads and air-cooled cylinders. Originally equipped with carburetors, late ...
pusher configuration
In an aircraft with a pusher configuration (as opposed to a tractor configuration), the propeller(s) are mounted behind their respective engine(s). Since a pusher propeller is mounted behind the engine, the drive shaft is in compression in nor ...
engine mounted above the wing to avoid water ingestion.
Versions can be constructed to meet the requirements of both the European microlight and US LSA categories.
A total of 160 had been built by 2018.
Specifications
See also
References
{{reflist
2000s Brazilian civil utility aircraft
Amphibious aircraft
Light-sport aircraft
High-wing aircraft
Single-engined pusher aircraft
Aircraft first flown in 2000