The Dyn'Aéro MCR4S is a four-seat development of the

French French (french: français(e), link=no) may refer to: * Something of, from, or related to France ** French language, which originated in France, and its various dialects and accents ** French people, a nation and ethnic group identified with Franc ...

two seat, single engine

Dyn'Aéro MCR01 The Dyn'Aéro MCR01 is a two-seat, low-wing, all-composite carbon fibre light aircraft that was originally manufactured by Dyn'Aéro and is now available in kit form and ready-to-fly through SE Aviation. Development The MCR01 is a variant of th ...

. It first flew in early 2000 and is sold as a kit for homebuilding in several versions by SE Aviation of

Pontarlier Pontarlier ( ; Latin: ''Ariolica'') is a commune and one of the two sub-prefectures of the Doubs department in the Bourgogne-Franche-Comté region in eastern France near the Swiss border. History Pontarlier occupies the ancient Roman station of ...

.Tacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 2015–16'', pages 25 & 96. Flying Pages Europe SARL, 2015.

Design and development

The MCR4S is a four-seat development of the

and retains many similarities. Both types are

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 ...

, single engine monoplanes with

T-tail A T-tail is an empennage configuration in which the tailplane is mounted to the top of the fin. The arrangement looks like the capital letter T, hence the name. The T-tail differs from the standard configuration in which the tailplane is ...

s. The major changes are an increase in

fuselage The fuselage (; from the French ''fuselé'' "spindle-shaped") is an aircraft's main body section. It holds crew, passengers, or cargo. In single-engine aircraft, it will usually contain an engine as well, although in some amphibious aircraft t ...

length to accommodate an extra row of seats with generous windows and the replacement of the

flaperons A flaperon (a portmanteau of flap and aileron) on an aircraft's wing is a type of control surface that combines the functions of both flaps and ailerons. Some smaller kitplanes have flaperons for reasons of simplicity of manufacture, while ...

seen on the long span variants of the MCR01, which have wings of about the same span as those of the MCR4S, with slotted flaps. The wing and all control surfaces of the MCR4S have

carbon fibre Carbon fiber-reinforced polymers (American English), carbon-fibre-reinforced polymers (Commonwealth English), carbon-fiber-reinforced plastics, carbon-fiber reinforced-thermoplastic (CFRP, CRP, CFRTP), also known as carbon fiber, carbon compo ...

spars and ribs, to which preformed aluminium skins are glued. The wings have constant chord and carry 3° of dihedral. The

ailerons An aileron (French for "little wing" or "fin") is a hinged flight control surface usually forming part of the trailing edge of each wing of a fixed-wing aircraft. Ailerons are used in pairs to control the aircraft in Flight dynamics, roll (or ...

are short, leaving the rest of the trailing edge of each wing divided between two double slotted, three position flaps.

Winglets Wingtip devices are intended to improve the efficiency of fixed-wing aircraft by reducing drag. Although there are several types of wing tip devices which function in different manners, their intended effect is always to reduce an aircraft' ...

were introduced in 2001 and modified to have straight (in plan) trailing edges from 2002. The MCR4S has a T-tail with an

all-moving tailplane A stabilator is a fully movable aircraft horizontal stabilizer. It serves the usual functions of longitudinal stability, control and stick force requirements otherwise performed by the separate parts of a conventional horizontal stabilizer and el ...

. The

fin A fin is a thin component or appendage attached to a larger body or structure. Fins typically function as foils that produce lift or thrust, or provide the ability to steer or stabilize motion while traveling in water, air, or other fluids. Fin ...

is an integral part of the carbon fibre

monocoque Monocoque ( ), also called structural skin, is a structural system in which loads are supported by an object's external skin, in a manner similar to an egg shell. The word ''monocoque'' is a French term for "single shell". First used for boats, ...

fuselage shell which also features a small

ventral Standard anatomical terms of location are used to unambiguously describe the anatomy of animals, including humans. The terms, typically derived from Latin or Greek language, Greek roots, describe something in its standard anatomical position. Th ...

fin. The cabin seats up to four, depending on the variant, in two side-by-side rows. Entry is via the large, forward hinged, two piece

canopy Canopy may refer to: Plants * Canopy (biology), aboveground portion of plant community or crop (including forests) * Canopy (grape), aboveground portion of grapes Religion and ceremonies * Baldachin or canopy of state, typically placed over an a ...

. Two large windows light the rear seats, the port side one doubling as an emergency exit. A variety of

Rotax Rotax is the brand name for a range of internal combustion engines developed and manufactured by the Austrian company BRP-Rotax GmbH & Co KG (until 2016 BRP-Powertrain GmbH & Co. KG), in turn owned by the Canadian Bombardier Recreational Product ...

flat four engine A flat-four engine, also known as a horizontally opposed-four engine, is a four-cylinder piston engine with two banks of cylinders lying on opposite sides of a common crankshaft. The most common type of flat-four engine is the boxer-four engine, ...

s may be fitted, driving a two or three blade propeller, which may have fixed or

variable pitch Flight dynamics in aviation and spacecraft, is the study of the performance, stability, and control of vehicles flying through the air or in outer space. It is concerned with how forces acting on the vehicle determine its velocity and attitude w ...

. The MCRS4 has a

tricycle undercarriage 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 ge ...

. The main wheels are mounted on short, vertical legs beneath the wings, as on the Club and ULC variants of the MCR01, with a track of 2.33 m (7 ft 8 in). All undercarriage wheels and legs are faired. The Dyn'Aéro MCR4S flew for the first time on 14 June 2000. The MCR4S structure has been used by

EADS Defence & Security Airbus Defence and Space is the division of Airbus SE responsible for the development and manufacturing of the corporation's defence and space products, while also providing related services. The division was formed in January 2014 during the ...

for its EADS Surveyor 2500

drone Drone most commonly refers to: * Drone (bee), a male bee, from an unfertilized egg * Unmanned aerial vehicle * Unmanned surface vehicle, watercraft * Unmanned underwater vehicle or underwater drone Drone, drones or The Drones may also refer to: ...

Operational history

The first public appearance of the MCR4S was at the International Air Rally held at

Cranfield Cranfield is a village and civil parish in the west of Bedfordshire, England, situated between Bedford and Milton Keynes. It had a population of 4,909 in 2001. increasing to 5,369 at the 2011 Census. The parish is in Central Bedfordshire uni ...

just nine days after the first flight. French certification was gained in June 2001 ( DGAC) and the first customer, aircraft designer Pierre Robin, flew his aircraft shortly afterwards. UK certification (

LAA Laa or LAA may refer to: Laa * Laa an der Thaya, Lower Austria * Laa (Gemeinde Zettling), Styria * Oberlaa, Unterlaa, Erlaa (disambiguation), Laaer Berg * Laamaikahiki, King of Kauai * Laalaa people, an ethnic group in Senegal * Lehar language, a ...

), though sought, had not been achieved by 2009. In mid-2010, 90 MCR4Ss appeared on the civil aircraft registers of European countries excluding Russia.

Variants

''Data from Jane's All the World's Aircraft 2011/12'' :Current (2010) versions are based on the MCRS4S-2002 specification. ;MCR4S evolution :Powered by the new

Rotax 915 iS The Rotax 915 iS is an Austrian aircraft engine, produced by Rotax of Gunskirchen for use in ultralight aircraft, homebuilt aircraft, light-sport aircraft, small helicopters and gyroplanes. The engine was type certified in 2017. The engine was ...

engine and developed by SE Aviation in Pontarlier, France. ;MCR2S Ibis :Two seat configuration with large baggage volume.

Rotax 912 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 ...

engine. ;Pickup :Two seat, lightened to empty, to produce a microlight aircraft with two seats, maximum internal capacity and performance.

Rotax 912UL 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 ...

or ULS engines of . ;Three seat :Three seat, powered by a 60 kW (80 hp)

Rotax 912 UL 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, later ...

or JPX 4TX75 engine. ;Four seat :Four seat, powered by a 74 kW (99 hp) Rotax 912 UL-S engine. ;Four seat Performance :Four seat, powered by an 85 kW (113 hp)

Rotax 914 UL The Rotax 914 is a turbo-charged, four-stroke, four-cylinder, horizontally opposed aircraft engine with air-cooled cylinders and water-cooled cylinder heads. It is designed and built by the Austrian company BRP-Powertrain, owned by Bombard ...

engine. ;CITEC :Powered by a Wilksch-120 90 kW (120 hp) two stroke, three cylinder diesel engine. ; Dyn'Aéro Twin-R :Twin engine version, first flown March 2011. ;MRC ULC :Version lightened to empty weight, with

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 ...

and powered by an

Rotax 912 UL 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, later ...

Rotax 912 ULS 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, later ...

powerplant. The aircraft has a cruise speed of with the engine. ;MRC M :Version of the MRC ULC with

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 Term ...

and powered by a

Rotax 912 UL 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, later ...

powerplant.

Specifications (Four seat Performance)

References

External links

*
MCR 4S on SE Aviation
(in French) {{DEFAULTSORT:Dyn'Aero MCR4S 2000s French sport aircraft MCR4S Low-wing aircraft Single-engined tractor aircraft T-tail aircraft Aircraft first flown in 2000