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aeronewsline :: Accueil :: Histoire :: Aéronefs 1956 à 1965
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Re: Aeronca 11 Chief
par Maco Lun 21 Juin 2010, 09:27
Like many classic airplanes, it has a significant adverse yaw, powerful rudder and sensitive elevator controls.
It had a well appointed cabin, with flocked taupe sidewalls and a zebra wood grain instrument panel.
There was never a flight manual produced for the 11AC or 7AC series airplanes, as a simple placard system was deemed enough to keep a pilot out of trouble.
It had a well appointed cabin, with flocked taupe sidewalls and a zebra wood grain instrument panel.
There was never a flight manual produced for the 11AC or 7AC series airplanes, as a simple placard system was deemed enough to keep a pilot out of trouble.
Maco- CLUB
- Messages : 787
Re: Aeronca 11 Chief
par Maco Lun 21 Juin 2010, 09:29
Production history
The model 11 Chief was designed and built by [Vous devez être inscrit et connecté pour voir ce lien].
While it shared the name "Chief" with the [Vous devez être inscrit et connecté pour voir ce lien], the design was not a derivative.
Rather, the post-war 11AC Chief was designed in tandem with the [Vous devez être inscrit et connecté pour voir ce lien] ("Champ")—the Chief with side-by-side seating and yoke controls, and the Champ with tandem seating and joystick controls.
The intention was to simplify production and control costs by building a pair of aircraft with a significant number of parts in common; in fact, the two designs share between 70% and 80% of their parts.
The model 11 Chief was designed and built by [Vous devez être inscrit et connecté pour voir ce lien].
While it shared the name "Chief" with the [Vous devez être inscrit et connecté pour voir ce lien], the design was not a derivative.
Rather, the post-war 11AC Chief was designed in tandem with the [Vous devez être inscrit et connecté pour voir ce lien] ("Champ")—the Chief with side-by-side seating and yoke controls, and the Champ with tandem seating and joystick controls.
The intention was to simplify production and control costs by building a pair of aircraft with a significant number of parts in common; in fact, the two designs share between 70% and 80% of their parts.
Maco- CLUB
- Messages : 787
Re: Aeronca 11 Chief
par Maco Lun 21 Juin 2010, 09:32
The tail surfaces, wings, ailerons, landing gear, and firewall forward—engine, most accessories, and cowling—are common to both airplanes.
The Chief and the larger Aeronca Sedan also share selected parts, the control wheels, some control system parts, rudder pedals and control systems, so parts passed from plane to plane to save costs.
Production costs and aircraft weights were tightly controlled and Aeronca was among the first to use a moving conveyor assembly line, with each stage taking about 30 minutes to complete.
The 11AC Chief entered production at Aeronca in early 1946, with upgraded versions introduced as the 11BC (also called the "Chief") and 11CC "Super Chief," in June 1947 and 1948, respectively.
The Chief and the larger Aeronca Sedan also share selected parts, the control wheels, some control system parts, rudder pedals and control systems, so parts passed from plane to plane to save costs.
Production costs and aircraft weights were tightly controlled and Aeronca was among the first to use a moving conveyor assembly line, with each stage taking about 30 minutes to complete.
The 11AC Chief entered production at Aeronca in early 1946, with upgraded versions introduced as the 11BC (also called the "Chief") and 11CC "Super Chief," in June 1947 and 1948, respectively.
Maco- CLUB
- Messages : 787
Re: Aeronca 11 Chief
par Maco Lun 21 Juin 2010, 09:35
Aeronca was at the time headquartered at [Vous devez être inscrit et connecté pour voir ce lien], [Vous devez être inscrit et connecté pour voir ce lien], but production facilities there were heavily utilized with the 7AC Champion line; because of this, the model 11 aircraft were assembled at the [Vous devez être inscrit et connecté pour voir ce lien] in [Vous devez être inscrit et connecté pour voir ce lien], Ohio.
While the Vandalia location was first used only for the assembly of parts fabricated at Middletown, activities there later expanded to include some fabrication work.
Only later, toward the end of production did the Chief line return to Middletown.
While the Vandalia location was first used only for the assembly of parts fabricated at Middletown, activities there later expanded to include some fabrication work.
Only later, toward the end of production did the Chief line return to Middletown.
Maco- CLUB
- Messages : 787
Re: Aeronca 11 Chief
par Maco Lun 21 Juin 2010, 09:38
Aeronca ceased all production of light aircraft in 1951. Production of the Chief, which had been outsold by its sibling the Champ by a margin of nearly 4 to 1, had already ended by 1950, with only a few planes produced in 1948-1949.
This marked the last time the Chief design was built in the United States.
This marked the last time the Chief design was built in the United States.
Maco- CLUB
- Messages : 787
Re: Aeronca 11 Chief
par Maco Lun 21 Juin 2010, 09:40
The design was sold in the mid-1950s to [Vous devez être inscrit et connecté pour voir ce lien], who held the design until the late 1960s or early 1970s.
The [Vous devez être inscrit et connecté pour voir ce lien], built by [Vous devez être inscrit et connecté pour voir ce lien] between 1958 and 1968, was very similar to the Super Chief.
Some sources say that the Pushpak was produced under [Vous devez être inscrit et connecté pour voir ce lien] from Trytek, while others suggest that the Pushpak design resulted from [Vous devez être inscrit et connecté pour voir ce lien].
The Pushpak can be identified by the smaller rudder surface which is squared off at mid-fin and the larger vertical tail that is found on the 11CC.
The [Vous devez être inscrit et connecté pour voir ce lien], built by [Vous devez être inscrit et connecté pour voir ce lien] between 1958 and 1968, was very similar to the Super Chief.
Some sources say that the Pushpak was produced under [Vous devez être inscrit et connecté pour voir ce lien] from Trytek, while others suggest that the Pushpak design resulted from [Vous devez être inscrit et connecté pour voir ce lien].
The Pushpak can be identified by the smaller rudder surface which is squared off at mid-fin and the larger vertical tail that is found on the 11CC.
Maco- CLUB
- Messages : 787
Re: Aeronca 11 Chief
par Maco Lun 21 Juin 2010, 09:42
Ownership of the Chief design passed to [Vous devez être inscrit et connecté pour voir ce lien] in the early 1970s, around the same time they acquired the 7 series Champion/Citabria and its derivative designs.
In 1973 Bellanca considered producing an updated version of the Chief for flight training, but the aircraft never entered production.
The model 11 designs are currently owned by [Vous devez être inscrit et connecté pour voir ce lien], which acquired them sometime before 1991.
Ownership of the design in the period between Bellanca's liquidation in 1982 and the American Champion acquisition is
unclear.
In 1973 Bellanca considered producing an updated version of the Chief for flight training, but the aircraft never entered production.
The model 11 designs are currently owned by [Vous devez être inscrit et connecté pour voir ce lien], which acquired them sometime before 1991.
Ownership of the design in the period between Bellanca's liquidation in 1982 and the American Champion acquisition is
unclear.
Maco- CLUB
- Messages : 787
Re: Aeronca 11 Chief
par Maco Lun 21 Juin 2010, 09:44
Design
Like the [Vous devez être inscrit et connecté pour voir ce lien], [Vous devez être inscrit et connecté pour voir ce lien], [Vous devez être inscrit et connecté pour voir ce lien], and [Vous devez être inscrit et connecté pour voir ce lien] with which it competed, the Chief features side-by-side seating.
As with many light aircraft of the time, including the Taylorcraft B and Piper Vagabond, the Chief's [Vous devez être inscrit et connecté pour voir ce lien] and tail surfaces are constructed of welded metal tubing.
The outer shape of the fuselage is created by a combination of wooden [Vous devez être inscrit et connecté pour voir ce lien] and [Vous devez être inscrit et connecté pour voir ce lien], covered with fabric.
The cross-section of the metal fuselage truss is triangular, a design feature which can be traced all the way back to the
earliest [Vous devez être inscrit et connecté pour voir ce lien] design of the late 1920s.
Like the [Vous devez être inscrit et connecté pour voir ce lien], [Vous devez être inscrit et connecté pour voir ce lien], [Vous devez être inscrit et connecté pour voir ce lien], and [Vous devez être inscrit et connecté pour voir ce lien] with which it competed, the Chief features side-by-side seating.
As with many light aircraft of the time, including the Taylorcraft B and Piper Vagabond, the Chief's [Vous devez être inscrit et connecté pour voir ce lien] and tail surfaces are constructed of welded metal tubing.
The outer shape of the fuselage is created by a combination of wooden [Vous devez être inscrit et connecté pour voir ce lien] and [Vous devez être inscrit et connecté pour voir ce lien], covered with fabric.
The cross-section of the metal fuselage truss is triangular, a design feature which can be traced all the way back to the
earliest [Vous devez être inscrit et connecté pour voir ce lien] design of the late 1920s.
Maco- CLUB
- Messages : 787
Re: Aeronca 11 Chief
par Maco Lun 21 Juin 2010, 09:45
The strut-braced [Vous devez être inscrit et connecté pour voir ce lien] of the Chief are, like the fuselage and tail surfaces, fabric covered, utilizing aluminum [Vous devez être inscrit et connecté pour voir ce lien] and wood spars.
The landing gear of the Chief is in a conventional arrangement, with steel tube main gear which use an oleo strut for shock absorption, and a steerable tailwheel.
All of the models—11AC, 11BC, and 11CC—were approved as [Vous devez être inscrit et connecté pour voir ce lien], with the addition of floats and vertical stabilizer fins; the seaplane versions were designated the S11AC, S11BC, and S11CC, respectively.
The landing gear of the Chief is in a conventional arrangement, with steel tube main gear which use an oleo strut for shock absorption, and a steerable tailwheel.
All of the models—11AC, 11BC, and 11CC—were approved as [Vous devez être inscrit et connecté pour voir ce lien], with the addition of floats and vertical stabilizer fins; the seaplane versions were designated the S11AC, S11BC, and S11CC, respectively.
Maco- CLUB
- Messages : 787
Re: Aeronca 11 Chief
par Maco Lun 21 Juin 2010, 09:48
Variants
Introduced in 1946, the 11AC was the first version of the design and utilized the [Vous devez être inscrit et connecté pour voir ce lien] engine of 65 horsepower (48 kW), featuring also a McDowell mechanical starter.
This McDowell starter was taken from the automotive industry and involved a spring loaded cam device that would spin the propeller through a compression stroke by a pull on a cabin floor mounted lever.
The S11AC was a float plane.
Also, Aeronca built a basic stripped down version of the 11AC called the "Scout," a trainer aircraft.
Introduced in 1946, the 11AC was the first version of the design and utilized the [Vous devez être inscrit et connecté pour voir ce lien] engine of 65 horsepower (48 kW), featuring also a McDowell mechanical starter.
This McDowell starter was taken from the automotive industry and involved a spring loaded cam device that would spin the propeller through a compression stroke by a pull on a cabin floor mounted lever.
The S11AC was a float plane.
Also, Aeronca built a basic stripped down version of the 11AC called the "Scout," a trainer aircraft.
Maco- CLUB
- Messages : 787
Re: Aeronca 11 Chief
par Maco Lun 21 Juin 2010, 09:49
The 11BC model, introduced in 1947, upgraded the engine to a [Vous devez être inscrit et connecté pour voir ce lien] of 85 horsepower (63 kW); the design was otherwise substantially similar to the 11AC save for the addition of an extended dorsal fin in front of the [Vous devez être inscrit et connecté pour voir ce lien] for the purpose of increasing [Vous devez être inscrit et connecté pour voir ce lien].
The 11CC "Super Chief" of 1948 brought an upgraded interior, toe brakes on the pilot’s side, and balanced [Vous devez être inscrit et connecté pour voir ce lien].
The 11CC "Super Chief" of 1948 brought an upgraded interior, toe brakes on the pilot’s side, and balanced [Vous devez être inscrit et connecté pour voir ce lien].
Maco- CLUB
- Messages : 787
Re: Aeronca 11 Chief
par Maco Lun 21 Juin 2010, 09:52
In 1973 Bellanca built and flew a prototype trainer based on the model 11.
The Bellanca Trainer featured a [Vous devez être inscrit et connecté pour voir ce lien] arrangement and appeared to share many parts with the [Vous devez être inscrit et connecté pour voir ce lien] (a derivative of the Champ design).
The Bellanca trainer's cowling, wings and struts, main gear, and horizontal tail surfaces all appeared to have come from the Citabria.
The vertical stabilizer and rudder appeared similar, though shorter vertically in the prototype.
The Bellanca Trainer featured a [Vous devez être inscrit et connecté pour voir ce lien] arrangement and appeared to share many parts with the [Vous devez être inscrit et connecté pour voir ce lien] (a derivative of the Champ design).
The Bellanca trainer's cowling, wings and struts, main gear, and horizontal tail surfaces all appeared to have come from the Citabria.
The vertical stabilizer and rudder appeared similar, though shorter vertically in the prototype.
Maco- CLUB
- Messages : 787
Re: Aeronca 11 Chief
par Maco Lun 21 Juin 2010, 09:54
They were extended to full size after flight testing.
The fuselage of the trainer featured a rear window.
The cabin had a taller modernized instrument panel and other furnishings.
The design was never put into production after being shown to dealers in 1973.
The fuselage of the trainer featured a rear window.
The cabin had a taller modernized instrument panel and other furnishings.
The design was never put into production after being shown to dealers in 1973.
Maco- CLUB
- Messages : 787
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