Engineering:BK Fliers BK-1
From HandWiki
| BK Fliers BK-1 | |
|---|---|
| |
| Role | Homebuilt aircraft |
| Manufacturer | BK Fliers |
| Designer | Bruce King |
The BK Fliers BK-1 is a single seat homebuilt aircraft.
Design and development
The Bk-1 was designed and built by Bruce King in 2004 after building a modified Hummel Bird. It was patterned after the Hummel Bird, with a full VW engine and larger cockpit and surfaces.[1][2]
The BK-1 is an all-aluminum, monocoque/semi-monocoque, single-engine, low-wing airplane, with either conventional or tricycle landing gear. The BK-1.3 is a modified version, 30% larger than the original, with full-span flaperons.[2]
Variants
- BK-1: Original version, originally with conventional landing gear
- BK-1.3: 30%-larger version, originally with tricycle gear[2]
Specifications (BK-1)
Data from Manufacturer[3]
General characteristics
- Crew: 1
- Length: 15 ft 4 in (4.67 m)
- Wingspan: 19 ft 4 in (5.89 m)
- Height: 6 ft 5 in (1.96 m)
- Empty weight: 450 lb (204 kg)
- Gross weight: 850 lb (386 kg)
- Fuel capacity: 15 U.S. gallons (57 L; 12 imp gal)
- Powerplant: 1 × VW Great Plains Aircraft Supply Company Volkswagen air-cooled engine, 60 hp (45 kW)
Performance
- Maximum speed: 126 kn (145 mph, 233 km/h)
- Cruise speed: 110 kn (130 mph, 210 km/h)
- Stall speed: 38 kn (44 mph, 71 km/h) Flaperons deployed
- Rate of climb: 750 ft/min (3.8 m/s)
See also
Aircraft of comparable role, configuration and era
References
- ↑ "Build This Airplane for 10 Grand How to get from the dollar store to the runway.". Air & Space Magazine. January 2007.
- ↑ 2.0 2.1 2.2 Barnes, Sparky, "Bruce King’s Brilliant BK Flier 1.3", April 2014, EAA Experimenter, Vol.3 No.4, Experimental Aircraft Association, retrieved January 6, 2021
- ↑ "BK-1 Specs". http://www.bkfliers.com/Specifications.html. Retrieved 20 August 2013.
External links
- "BK1 Around the Pattern," (builder's demo flight video of conventional-gear BK-1), January 24, 2007, bkfliers.com
- "Building a Plane from Scratch," (news video: interview with BK-1 designer Bruce King and video of his tricycle-gear plane in demo flight), July 16, 2013, KSAT news
- BK Flier builder group
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