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CAP-4 Paulistinha

The CAP-4 Paulistinha was a military and civilian trainer aircraft built in Brazil during the 1930s and 1940s.

CAP-4 Paulistinha
Brazilian Navy CAP-4 preserved at the Museu Asas de um Sonho
Role Trainer
Manufacturer EAY, CAP
First flight 1935
Number built 1.149

Design and development edit

The CAP-4 was originally developed by Empresa Aeronáutica Ypiranga (EAY) as an unlicensed copy of the Taylor Cub powered by a Salmson 9Ad radial engine. It featured a high strut-braced wing, two enclosed tandem seats, and a steel-tube fuselage with fabric covering. Its tailwheel undercarriage was not retractable.

EAY had built five examples by the time that the firm was purchased by Companhia Aeronáutica Paulista (CAP) in 1942. CAP continued manufacturing the type under the designation CAP-4.

The type was widely successful, with nearly 800 units being produced for Brazil's flying clubs and armed forces, as well as for export to Argentina, Paraguay, Chile, Uruguay and Portugal. At the time of peak production in 1943, a new CAP-4 left the factory every day, and production continued until 1948.

In 1956, Sociedade Aeronáutica Neiva (Neiva) acquired the rights renaming it to P-56 Paulistinha, the design was used as the basis for an agricultural aircraft, the P-56 Agricola, adding a fibreglass chemical hopper and spraybars, but this was unable to compete with imported, purpose-built agricultural aircraft.

Variants edit

EAY-201
original radial engined version
CAP-4
main production version
CAP-4B
air ambulance version (2 prototypes built)
CAP-4C
artillery-spotting version, (Paulistinha Rádio or Paulistinha Observação)
P-56 Agricola
agricultural version by Neiva (60 built)
Paulistinha 56-C
Powered by 90 horsepower (67 kW) Continental C-90-8F/12F engine. 256 built by Neiva between 1958 and 1964.[1]
P56C-1 Paulistinha Rebocador
Paulistinha 56-D
More powerful version with 150 horsepower (110 kW) Lycoming O-320-A1A. Single prototype built, which was designated L-6A by Brazilian Air Force. No production.[1]

Operators edit

  Brazil
  Paraguay
  • Paraguayan Military Aviation 4 aircraft bought in the early 1960s
  • Paraguayan Aeroclub 4 aircraft bought in the 1950s

Specifications (CAP-4) edit

Data from Jane's Fighting Aircraft of World War II [2]

General characteristics

  • Crew: Two, pilot and instructor
  • Length: 6.65 m (21 ft 10 in)
  • Wingspan: 10.10 m (33 ft 2 in)
  • Height: 1.95 m (6 ft 5 in)
  • Wing area: 17.0 m2 (183 sq ft)
  • Empty weight: 320 kg (705 lb)
  • Gross weight: 540 kg (1,190 lb)
  • Fuel capacity: 58 L (15 US gal; 13 imp gal)
  • Powerplant: 1 × Franklin 4AC air-cooled flat-four engine, 48 kW (65 hp)

Performance

  • Maximum speed: 155 km/h (96 mph, 84 kn)
  • Cruise speed: 140 km/h (87 mph, 76 kn)
  • Range: 500 km (310 mi, 270 nmi)
  • Service ceiling: 4,000 m (13,000 ft)
  • Rate of climb: 3.1 m/s (610 ft/min)

References edit

Notes
  1. ^ a b Taylor 1969, p. 10.
  2. ^ Bridgman 1998, p. 100.
Bibliography
  • Bridgman, Leonard (1998) [1946 (Reproduction of 1945/46 Jane's All The World's Aircraft)]. Jane's Fighting Aircraft of World War II. Twickenham, UK: Tiger Books. ISBN 1-85501-994-9.
  • Taylor, John W. R. (1969). Jane's All The World's Aircraft 1969–70. London: Sampson Low Marston & Company. ISBN 0-354-00051-9.
  • Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 230.

External links edit

    paulistinha, military, civilian, trainer, aircraft, built, brazil, during, 1930s, 1940s, brazilian, navy, preserved, museu, asas, sonho, role, trainer, manufacturer, first, flight, 1935, number, built, contents, design, development, variants, operators, specif. The CAP 4 Paulistinha was a military and civilian trainer aircraft built in Brazil during the 1930s and 1940s CAP 4 Paulistinha Brazilian Navy CAP 4 preserved at the Museu Asas de um Sonho Role Trainer Manufacturer EAY CAP First flight 1935 Number built 1 149 Contents 1 Design and development 2 Variants 3 Operators 4 Specifications CAP 4 5 References 6 External linksDesign and development editThe CAP 4 was originally developed by Empresa Aeronautica Ypiranga EAY as an unlicensed copy of the Taylor Cub powered by a Salmson 9Ad radial engine It featured a high strut braced wing two enclosed tandem seats and a steel tube fuselage with fabric covering Its tailwheel undercarriage was not retractable EAY had built five examples by the time that the firm was purchased by Companhia Aeronautica Paulista CAP in 1942 CAP continued manufacturing the type under the designation CAP 4 The type was widely successful with nearly 800 units being produced for Brazil s flying clubs and armed forces as well as for export to Argentina Paraguay Chile Uruguay and Portugal At the time of peak production in 1943 a new CAP 4 left the factory every day and production continued until 1948 In 1956 Sociedade Aeronautica Neiva Neiva acquired the rights renaming it to P 56 Paulistinha the design was used as the basis for an agricultural aircraft the P 56 Agricola adding a fibreglass chemical hopper and spraybars but this was unable to compete with imported purpose built agricultural aircraft Variants editEAY 201 original radial engined version CAP 4 main production version CAP 4B air ambulance version 2 prototypes built CAP 4C artillery spotting version Paulistinha Radio or Paulistinha Observacao P 56 Agricola agricultural version by Neiva 60 built Paulistinha 56 C Powered by 90 horsepower 67 kW Continental C 90 8F 12F engine 256 built by Neiva between 1958 and 1964 1 P56C 1 Paulistinha Rebocador Paulistinha 56 D More powerful version with 150 horsepower 110 kW Lycoming O 320 A1A Single prototype built which was designated L 6A by Brazilian Air Force No production 1 Operators edit nbsp Brazil Brazilian Navy nbsp Paraguay Paraguayan Military Aviation 4 aircraft bought in the early 1960s Paraguayan Aeroclub 4 aircraft bought in the 1950sSpecifications CAP 4 editData from Jane s Fighting Aircraft of World War II 2 General characteristicsCrew Two pilot and instructor Length 6 65 m 21 ft 10 in Wingspan 10 10 m 33 ft 2 in Height 1 95 m 6 ft 5 in Wing area 17 0 m2 183 sq ft Empty weight 320 kg 705 lb Gross weight 540 kg 1 190 lb Fuel capacity 58 L 15 US gal 13 imp gal Powerplant 1 Franklin 4AC air cooled flat four engine 48 kW 65 hp Performance Maximum speed 155 km h 96 mph 84 kn Cruise speed 140 km h 87 mph 76 kn Range 500 km 310 mi 270 nmi Service ceiling 4 000 m 13 000 ft Rate of climb 3 1 m s 610 ft min References editNotes a b Taylor 1969 p 10 Bridgman 1998 p 100 Bibliography Bridgman Leonard 1998 1946 Reproduction of 1945 46 Jane s All The World s Aircraft Jane s Fighting Aircraft of World War II Twickenham UK Tiger Books ISBN 1 85501 994 9 Taylor John W R 1969 Jane s All The World s Aircraft 1969 70 London Sampson Low Marston amp Company ISBN 0 354 00051 9 Taylor Michael J H 1989 Jane s Encyclopedia of Aviation London Studio Editions p 230 Aeroclube de Joinville websiteExternal links edit nbsp Wikimedia Commons has media related to CAP 4 Paulistinha Brazilian Naval Air Arm CAP Paulistinha Retrieved from https en wikipedia org w index php title CAP 4 Paulistinha amp oldid 1161287230, wikipedia, wiki, book, books, library,

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