The BK Fliers BK-1 is a single seat

homebuilt aircraft Homebuilt aircraft, also known as amateur-built aircraft or kit planes, are constructed by persons for whom this is not a professional activity. These aircraft may be constructed from "scratch", from plans, or from assembly kits.Armstrong, Kenn ...

Design and development

The Bk-1 was designed and built by Bruce King in 2004 after building a modified

Hummel Bird The Hummel Bird is an experimental/amateur built aircraft designed by Morry Hummel and produced by Hummel Aviation of Byran, Ohio, United States. It is a single-seat, single-engine, all-metal airplane typically powered by a 1/2 VW engine in the ...

. It was patterned after the Hummel Bird, with a full VW engine and larger cockpit and surfaces. Barnes, Sparky
"Bruce King’s Brilliant BK Flier 1.3"
April 2014, ''EAA Experimenter,'' Vol.3 No.4,

Experimental Aircraft Association The Experimental Aircraft Association (EAA) is an international organization of aviation enthusiasts based in Oshkosh, Wisconsin. Since its inception, it has grown internationally with over 300,000 members and nearly 1,000 chapters worldwide. ...

, retrieved January 6, 2021 The BK-1 is an all-aluminum,

monocoque Monocoque ( ), also called structural skin, is a structural system in which loads are supported by an object's external skin, in a manner similar to an egg shell. The word ''monocoque'' is a French term for "single shell". First used for boats, ...

semi-monocoque The term semi-monocoque or semimonocoque refers to a stressed shell structure that is similar to a true monocoque, but which derives at least some of its strength from conventional reinforcement. Semi-monocoque construction is used for, among o ...

, 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 A flaperon (a portmanteau of ''flap'' and ''aileron'') on an aircraft's wing is a type of control surface that combines the functions of both flaps and ailerons. Some smaller kitplanes have flaperons for reasons of simplicity of manufacture, ...

Variants

* BK-1: Original version, originally with conventional landing gear * BK-1.3: 30%-larger version, originally with tricycle gear

Specifications (BK-1)

References

External links

{{commons category, BK Fliers BK-1
"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
Homebuilt aircraft

Design and development

Variants

Specifications (BK-1)

See also

References

External links