The Aerocomp VM-1 Esqual is a
Swedish ultralight aircraft
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 ...
, produced by Arsi AB (formerly Aerocomp AB) of
Alingsås
Alingsås () is a locality and the seat of Alingsås Municipality in Västra Götaland County, Sweden. It had 24,482 inhabitants in 2010.
Geography
Geographically the city is situated by the outlet of the small rivulet Säveån into lake Mjö ...
.
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 17. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X][Tacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 2015-16'', page 16. Flying Pages Europe SARL, 2015. ]
Design and development
The aircraft was originally designed in Spain by Vol Mediterrani to comply with the
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 mainta ...
microlight rules and production was later moved to Sweden. It features a cantilever
low-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 ...
, a two-seats-in-
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 ...
enclosed 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 ...
or
conventional landing gear
Conventional landing gear, or tailwheel-type landing gear, is an aircraft undercarriage consisting of two main wheels forward of the center of gravity and a small wheel or skid to support the tail.Crane, Dale: ''Dictionary of Aeronautical Ter ...
and a single engine in
tractor configuration
In aviation, the term tractor configuration refers to an aircraft constructed in the standard configuration with its engine mounted with the propeller in front of it so that the aircraft is "pulled" through the air. Oppositely, the pusher co ...
. Early versions used conventional landing gear but the current manufacturer is producing the nosewheel version. A retractable gear version is under development.
The aircraft is made from high density
PVC foam and
epoxy
Epoxy is the family of basic components or Curing (chemistry), cured end products of epoxy resins. Epoxy resins, also known as polyepoxides, are a class of reactive prepolymers and polymers which contain epoxide groups. The epoxide functional ...
resin composites. Standard engines available are the
Rotax 912S,
Jabiru 2200
The Jabiru 2200 is a lightweight naturally aspirated, pushrod four-stroke, flat four, air-cooled aircraft engine produced by Jabiru Aircraft.
Design and development
The conventional direct-drive engine is fitted with an alternator, silencers ...
,
Jabiru 3300
The Jabiru 3300 is a lightweight four-stroke, horizontally opposed "flat-six" air-cooled aircraft engine produced by Jabiru Aircraft. The engines are direct drive and fitted with alternators, silencers, vacuum pump drives and dual ignition syst ...
and the
ULPower UL260i
The ULPower UL260i is a family of aircraft engines, produced by ULPower in Belgium.
Design
The UL260i series are all lightweight, four-cylinder, four-stroke, horizontally-opposed, air-cooled, direct drive engine designs that feature FADEC with ...
four-stroke
A four-stroke (also four-cycle) engine is an internal combustion (IC) engine in which the piston completes four separate strokes while turning the crankshaft. A stroke refers to the full travel of the piston along the cylinder, in either direct ...
powerplants. The landing gear is made from
7175-T6 aluminum alloy
An aluminium alloy (or aluminum alloy; see spelling differences) is an alloy in which aluminium (Al) is the predominant metal. The typical alloying elements are copper, magnesium, manganese, silicon, tin, nickel and zinc. There are two principa ...
and employs a freely-castering nosewheel and main wheels brakes for steering. The wing features electrically-actuated
flaps. Manual
trim is standard with electric trim optional.
Specifications (VM-1 Esqual)
See also
References
External links
*{{Official website, http://www.esqual.se/
2000s Swedish ultralight aircraft
Homebuilt aircraft
Single-engined tractor aircraft