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Andreasson BA-4B

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Andreasson BA-4B
Role Sports biplane
Manufacturer Homebuilt
Designer Björn Andreasson
First flight 1966
Developed from Andreasson BA-4
Developed into Andreasson BA-11

The Andreasson BA-4B is a single-seat aerobatic biplane which was marketed for homebuilding and also produced complete.

Design and development

Swedish-built first prototype BA-4B at Shoreham Airport, England, in February 1988
At Old Warden, June 2014

The BA-B4B was based on Andreasson's 1944 wooden BA-4 revised to take advantage of more modern construction techniques, such as the use of sheet metal. The first example was built by apprentices at the Malmö Aircraft Industry (M.F.I.).[1] It is a single-bay, staggered, equal-bay biplane with fixed tailwheel undercarriage. P.J.C Phillips acquired world-wide production rights for complete, rather than kit built, version and marketed them in the UK through Crosby Aviation.[2] In the US the B-4B was marketed by Larry Karp as the Canary Hawk.

Operational history

In 2014 there were six BA-4Bs on the UK civil register, one Crosby built and the others homebuilt. Three of these have the Continental O-200-A engine but the other three use Lycoming flat fours with outputs between 81 kW (108 hp) and 119 kW (160 hp).[3] In 2009 four BA-4Bs remained on the Swedish register.[4]

Variants

Andeasson B-4
Wood and fabric biplane first flown in 1944, powered by a 21 kW (28 hp) Scott Squirrel.[1]
Andreasson B-4B
All-metal version. First prototype built by M.F.I apprentices in c.1964. Plans marketed.[5]
Crosby (Andreasson) B-4B
Sold complete, powered by a 75 kW (100 hp)* Rolls-Royce Continental O-200-A flat four.[2]
Crosby (Andreasson) Super B-4B
As B-4B but with a 89 kW (120 hp)* Rolls-Royce Continental O-240-A flat four.[2]

Specifications (Crosby (Andreasson) BA-4B)

Data from Jane's All the World's Aircraft 1974/5[2]

General characteristics

  • Crew: One
  • Length: 4.67 m (15 ft 4 in)
  • Wingspan: 5.64 m (18 ft 6 in)
  • Wing area: 8.36 m2 (90.0 sq ft)
  • Empty weight: 295 kg (650 lb)
  • Max takeoff weight: 460 kg (1,014 lb)
  • Fuel capacity: 56.3 L (12.4 imp gal; 14.9 US gal) internal. Provision for external tank holding extra 50 L (11.0 imp gal; 13.2 US gal)
  • Wing loading, maximum: 54.7 kg/m2 (11.2 lb/sqft)
  • Powerplant: 1 × Rolls-Royce Continental O-200-A flat four, 75 kW (100 hp)
  • Propellers: 2

Performance

  • Maximum speed: 241 km/h (150 mph, 130 kn) level flight, sea level
  • Cruise speed: 217 km/h (135 mph, 117 kn) 75% power at 2,134 m (7,000 ft)
  • Stall speed: 73 km/h (45 mph, 39 kn) power on
  • Range: 573 km (356 mi, 309 nmi) standard fuel, 75% power
  • Rate of climb: 6.1 m/s (1,200 ft/min) maximum at seal level

See also

Related development

Notes

  1. ^ a b Airlife's World Aircraft p.44
  2. ^ a b c d Jane's All the World's Aircraft 1974/5 p.205
  3. ^ http://www.caa.co.uk
  4. ^ Partington
  5. ^ Jane's All the World's Aircraft 1974/5 p.181

References

Wikimedia Commons has media related to Andreasson BA-4.
  • Taylor, John W R (1974). Jane's All the World's Aircraft 1974-75. London: Jane's Yearbooks. pp. 181, 205. ISBN 0 354 00502 2. {{cite book}}: Cite has empty unknown parameter: |coauthors= (help)
  • Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 60.
  • Partington, Dave (2010). European registers handbook 2010. Air Britain (Historians) Ltd. ISBN 978-0-85130-425-0. {{cite book}}: Cite has empty unknown parameter: |coauthors= (help)
  • britishaircraft.co.uk
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