The Starck AS-70 Jac is a
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 France ...
-built single-seat
light aircraft
A light aircraft is an aircraft that has a maximum gross takeoff weight of or less.Crane, Dale: ''Dictionary of Aeronautical Terms, third edition'', page 308. Aviation Supplies & Academics, 1997.
Light aircraft are used as utility aircraft c ...
of the mid-1940s.
Development
The AS-70 was developed during 1945 as a single-seat light low-wing
monoplane
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 ...
aircraft to serve the early postwar needs of French
private pilot
A private pilot licence (PPL) or, in the United States, a private pilot certificate, is a type of pilot licence that allows the holder to act as pilot in command of an aircraft privately (not for remuneration). The licence requirements are dete ...
s and aero clubs. It is of mixed welded steel tube and wooden construction with
fabric covering, and is fully
aerobatic
Aerobatics is the practice of flying maneuvers involving aircraft attitudes that are not used in conventional passenger-carrying flights. The term is a portmanteau of "aerial" and "acrobatics". Aerobatics are performed in aeroplanes and glider ...
.
[Green, 1965, page 66]
A small series of Jacs was constructed by Avions Starck. These were fitted with a range of engines with power outputs of between .
Different designations were given to aircraft powered by the various engines, as listed below.
Operational history
The Jac proved to be a popular aircraft with private pilots and aero clubs and four examples remained in service in 2009.
Variants
; AS-70 : Fitted with a
Salmson 9 ADb
The Salmson 9 AD was a family of air-cooled nine cylinder radial aero-engines produced in the 1930s in France by the Société des Moteurs Salmson.
Design and development
The 9 AD followed Salmson practice after the First World War, of being ai ...
radial engine
The radial engine is a reciprocating type internal combustion engine configuration in which the cylinders "radiate" outward from a central crankcase like the spokes of a wheel. It resembles a stylized star when viewed from the front, and is ...
.
; AS-71 : Fitted with a
Walter Mikron
The Walter Mikron is a four-cylinder, air-cooled, inverted straight engine for aircraft.
Development
Developed in Czechoslovakia in the early 1930s, the engine saw limited use in late 1930s and early 1950s. In the 1980s an initial batch of eng ...
II engine.
; AS-72 : Fitted with a
Salmson 9 ADr
The Salmson 9 AD was a family of air-cooled nine cylinder radial aero-engines produced in the 1930s in France by the Société des Moteurs Salmson.
Design and development
The 9 AD followed Salmson practice after the First World War, of being ...
radial engine.
; AS-72/1: Fitted with a Percy II engine.
; AS-75 : Fitted with a
Continental A65-8S
The Continental O-170 engine is the collective military designation for a family of small aircraft engines, known under the company designation of A50, A65, A75 and A80. The line was designed and built by Continental Motors commencing in the 194 ...
4-cylinder air-cooled engine.
Specifications (AS-75)
Notes
References
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Further reading
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External links
Aviafrance site with details and image of the A.S. 70 Jac{{Starck aircraft
1940s French civil utility aircraft
Low-wing aircraft
Single-engined tractor aircraft
Aircraft first flown in 1945