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Fokker M 9 / K.I

Страна: Германия

Год: 1915

Fighter

Fokker - E.IV - 1915 - Германия<– –>Fokker - W 4 - 1915 - Германия


O.Thetford, P.Gray German Aircraft of the First World War (Putnam)


Fokker M 9 (K1)
  April 1915 saw the appearance of the M 9, the only twin-engined Fokker aircraft of the First World War. The twin fuselages were modified M 8s, each with its own tail surfaces, there being no rigid connecting surface aft. The central nacelle housed a crew of three, and 80 h.p. Oberursel rotaries were mounted at cither end. The Kl designation implied Kampfflugzeug but was soon modified to the G classification. Only one M 9 was built, and relatively few flights were made.


W.Green, G.Swanborough The Complete Book of Fighters


FOKKER K I (M 9) Germany

  Original in concept in having a push-pull engine configuration and twin fuselage booms, the M 9 was developed without official encouragement as an offensive fighter, the sole prototype being completed in April I 1915. Also known by the designation K I (the "K” prefix indicating Kampfflugzeug, or ‘‘Battle Aircraft”), the M 9 utilised two fuselages, complete with tail assemblies from conventional M 7 two-seat sesquiplanes. These I were married by means of a biplane structure to a central nacelle which carried single 80 hp seven-cylinder rotary Oberursel U O engines fore and aft, with the pilot seated between. The nose of each M 7 fuselage accommodated a cockpit for a gunner. No rigid structure connected the two fuselages aft of the nacelle and, in consequence, the booms tended to twist when the wings warped. The M 9 was perfunctorily flight tested by Anthony Fokker. He complained of the flexing of the tailbooms and the marked tail heaviness which rendered control difficult. As Fokker was by then preoccupied with testing the M 5K/MG (E I) monoplane, further development of the M 9 was abandoned. No data relating to this short-lived experimental fighter have apparently survived.

W.Green, G.Swanborough - The Complete Book of Fighters
Highly original in concept, the M 9 alias K I utilised twin fuselages and two engines mounted on the fuselage centreline.
O.Thetford, P.Gray - German Aircraft of the First World War /Putnam/
Fokker M 9 (K1)
W.Green, G.Swanborough - The Complete Book of Fighters