Andreasson BA-4B
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| BA-4B | |
|---|---|
 | |
| General information | |
| Type | Sports biplane |
| Manufacturer | Homebuilt |
| Designer | |
| History | |
| 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.
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-wing biplane with fixed tailwheel undercarriage. P.J.C Phillips acquired worldwide 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 (Midget)
- 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]
