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CallAir Model A

The Call-Air Model A is an American two- to three-seat utility aircraft designed by the Call brothers and built by the Call Aircraft Company, later developed into a successful line of agricultural aircraft.

Model A
CallAir A-2
Role Cabin monoplane and agricultural aircraft
Manufacturer Call Aircraft Company
First flight 1940
Number built 218

Design and development edit

The Model A was designed by the Call family, who were Wyoming ranchers. The aircraft was ready to be produced in 1940 but the start of World War II delayed the start of production to 1946. The family had formed the Call Aircraft Company (known as Call-Air) to produce the aircraft. The prototype Model A was powered by a Continental A-80 engine but was redesignated the Model A-1 when re-engined with an Avco Lycoming O-235-A engine. A United States type certificate was awarded in July 1944 and the production model was designated the Model A-2. The Model A-2 was a two-seat braced low-wing monoplane with fabric-covered wooden wings and fabric-covered welded steel tube. It had a fixed tailwheel landing gear. Further models were introduced with different engines. Examples of the three-seat A-4 were converted for agricultural use followed by a new-build agricultural version the A-5. In 1962 the assets of the company were acquired at auction by the Intermountain Manufacturing Company (IMCO) who developed their own version the IMCO CallAir A-9. IMCO was later taken over by the Aero Commander division of the Rockwell Standard Corporation and later became part of North American Rockwell, the design was further developed and redesignated.

Variants edit

A
Continental A-80-engined prototype, one built converted to A-1
A-1
Re-engined with an Avco Lycoming O-235-a engine, four built and prototype converted.
A-2
Two-seat cabin monoplane production version powered by an Avco Lycoming O-290-a engine, 16 built.
A-3
125 hp (93 kw) Continental C-125-2-powered version, 15 built.
A-4
Two/three-seat cabin monoplane version powered by a 135 hp (101 kw) Avco Lycoming O-290-D2 engine, 65 built.[1]
A-5
Open-cockpit two-seat agricultural version of the A-4, 74 built.
A-5T Texan
A-5 with revised fuselage structure, nine built.
A-6
Improved version of A-5 with Avco Lycoming O-360-A1A engine, 34 built.
A-7
Similar to A-5 powered by West Coast Dusting-built Continental W-670-240 engine. One converted from an A-6
A-7T
Proposed development of A-7 with higher gross weight

Specifications (A-2) edit

Data from Jane's all the World's Aircraft 1947[2]

General characteristics

  • Crew: 1
  • Capacity: 1 pax
  • Length: 23 ft 5 in (7.15 m)
  • Wingspan: 35 ft 10 in (10.91 m)
  • Height: 6 ft 0 in (1.83 m) tailup
  • Wing area: 181.6 sq ft (16.87 m2)
  • Empty weight: 975 lb (442 kg)
  • Gross weight: 1,550 lb (703 kg)
  • Fuel capacity: 30 US gal (25 imp gal; 110 L)
  • Powerplant: 1 × Lycoming O-290B or C 4-cyl. horizontally-opposed air-cooled piston engine, 125 hp (93 kW) at2,600 rpm
  • Propellers: 2-bladed Sensenich fixed pitch wooden propeller

Performance

  • Maximum speed: 112 mph (180 km/h, 97 kn)
  • Cruise speed: 102 mph (164 km/h, 89 kn) *Landing speed: 42 mph (36 kn; 68 km/h)
  • Range: 332 mi (534 km, 289 nmi)
  • Service ceiling: 17,500 ft (5,300 m)
  • Rate of climb: 1,000 ft/min (5.1 m/s)
  • Wing loading: 8.53 lb/sq ft (41.6 kg/m2)
  • Fuel consumption: 0.458 lb/mi (0.129 kg/km)
  • Power/mass: 12.4 lb/hp (7.51 kg/kW)
  • Take-off run: 142 yd (130 m)
  • Landing run: 100 yd (91 m)

References edit

  1. ^ Bridgman, Leonard, ed. (1958). Jane's All the World's Aircraft 1958-59. London: Jane's All the World's Aircraft Publishing Co. Ltd. pp. 271–272.
  2. ^ Bridgman, Leonard, ed. (1947). Jane's all the World's Aircraft 1947. London: Sampson Low, Marston & Co. p. 195c.

Further reading edit

  • The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing.
  • Simpson, R. W. (1995). Airlife's General Aviation. Shrewsbury: Airlife Publishing. pp. 103–04.
  • Kilber, Ron (August 1999). "A Wing, a Prayer, and a CallAir". Custom Planes: 28.

External links edit

    callair, model, call, model, american, three, seat, utility, aircraft, designed, call, brothers, built, call, aircraft, company, later, developed, into, successful, line, agricultural, aircraft, model, callair, role, cabin, monoplane, agricultural, aircraft, m. The Call Air Model A is an American two to three seat utility aircraft designed by the Call brothers and built by the Call Aircraft Company later developed into a successful line of agricultural aircraft Model A CallAir A 2 Role Cabin monoplane and agricultural aircraft Manufacturer Call Aircraft Company First flight 1940 Number built 218 Contents 1 Design and development 2 Variants 3 Specifications A 2 4 References 5 Further reading 6 External linksDesign and development editThe Model A was designed by the Call family who were Wyoming ranchers The aircraft was ready to be produced in 1940 but the start of World War II delayed the start of production to 1946 The family had formed the Call Aircraft Company known as Call Air to produce the aircraft The prototype Model A was powered by a Continental A 80 engine but was redesignated the Model A 1 when re engined with an Avco Lycoming O 235 A engine A United States type certificate was awarded in July 1944 and the production model was designated the Model A 2 The Model A 2 was a two seat braced low wing monoplane with fabric covered wooden wings and fabric covered welded steel tube It had a fixed tailwheel landing gear Further models were introduced with different engines Examples of the three seat A 4 were converted for agricultural use followed by a new build agricultural version the A 5 In 1962 the assets of the company were acquired at auction by the Intermountain Manufacturing Company IMCO who developed their own version the IMCO CallAir A 9 IMCO was later taken over by the Aero Commander division of the Rockwell Standard Corporation and later became part of North American Rockwell the design was further developed and redesignated Variants editA dd Continental A 80 engined prototype one built converted to A 1A 1 dd Re engined with an Avco Lycoming O 235 a engine four built and prototype converted A 2 dd Two seat cabin monoplane production version powered by an Avco Lycoming O 290 a engine 16 built A 3 dd 125 hp 93 kw Continental C 125 2 powered version 15 built A 4 dd Two three seat cabin monoplane version powered by a 135 hp 101 kw Avco Lycoming O 290 D2 engine 65 built 1 A 5 dd Open cockpit two seat agricultural version of the A 4 74 built A 5T Texan dd A 5 with revised fuselage structure nine built A 6 dd Improved version of A 5 with Avco Lycoming O 360 A1A engine 34 built A 7 dd Similar to A 5 powered by West Coast Dusting built Continental W 670 240 engine One converted from an A 6A 7T dd Proposed development of A 7 with higher gross weight dd Specifications A 2 editData from Jane s all the World s Aircraft 1947 2 General characteristicsCrew 1 Capacity 1 pax Length 23 ft 5 in 7 15 m Wingspan 35 ft 10 in 10 91 m Height 6 ft 0 in 1 83 m tailup Wing area 181 6 sq ft 16 87 m2 Empty weight 975 lb 442 kg Gross weight 1 550 lb 703 kg Fuel capacity 30 US gal 25 imp gal 110 L Powerplant 1 Lycoming O 290B or C 4 cyl horizontally opposed air cooled piston engine 125 hp 93 kW at2 600 rpm Propellers 2 bladed Sensenich fixed pitch wooden propeller Performance Maximum speed 112 mph 180 km h 97 kn Cruise speed 102 mph 164 km h 89 kn Landing speed 42 mph 36 kn 68 km h Range 332 mi 534 km 289 nmi Service ceiling 17 500 ft 5 300 m Rate of climb 1 000 ft min 5 1 m s Wing loading 8 53 lb sq ft 41 6 kg m2 Fuel consumption 0 458 lb mi 0 129 kg km Power mass 12 4 lb hp 7 51 kg kW Take off run 142 yd 130 m Landing run 100 yd 91 m References edit Bridgman Leonard ed 1958 Jane s All the World s Aircraft 1958 59 London Jane s All the World s Aircraft Publishing Co Ltd pp 271 272 Bridgman Leonard ed 1947 Jane s all the World s Aircraft 1947 London Sampson Low Marston amp Co p 195c Further reading editThe Illustrated Encyclopedia of Aircraft Part Work 1982 1985 Orbis Publishing Simpson R W 1995 Airlife s General Aviation Shrewsbury Airlife Publishing pp 103 04 Kilber Ron August 1999 A Wing a Prayer and a CallAir Custom Planes 28 External links edit nbsp Wikimedia Commons has media related to CallAir A 2 Vintage Aircraft Museum Retrieved from https en wikipedia org w index php title CallAir Model A amp oldid 1092426264, wikipedia, wiki, book, books, library,

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