Junkers K 37

__NOTOC__

The Junkers S 36 was a twin-engine mailplane developed in Germany in the late 1920s that was further developed in Sweden as a multi-role military aircraft, albeit unsuccessfully, under the designation K 37. The design itself was a low-wing cantilever monoplane of largely conventional design, featuring twin tails and fixed, tailwheel undercarriage. Construction was metal throughout and skinned, in typical Junkers fashion, with corrugated duralumin. The engines were mounted in nacelles on the wings, and the crew was accommodated in three open cockpits, including one in the very nose of the aircraft.

This design lent itself readily to military applications: the twin tails permitted a good field of fire for a tail gunner, and the open cockpit in the nose offered an ideal position for a crewman to act as a observer, bombardier and/or nose gunner. The S 36 prototype was flown to Sweden, where it was militarised by Junkers subsidiary AB Flygindustri at Limhamn. Proposed as a fighter or reconnaissance-bomber, the K 37 could operate at altitudes unattainable by (other) fighters of the day, rendering it effectively immune from interception. The type was demonstrated in civil form at the "Aerial Garden Party" at Heston in July 1929, and in military form as a model at the Olympia Aero Show, complete with a dummy observer with swivelling machine gun to demonstrate the field of fire.

No sales resulted, and the development of new and more capable fighter aircraft negated the advantages offered by the type. However, the Japanese Army Air Force was sufficiently interested in the type for Mitsubishi to purchase manufacturing rights in 1931, and AB Flygindustri also provided one or two pattern aircraft. A K 37 was operated with success during the Invasion of Manchuria and led the Army to order heavy and light bombers from Mitsubishi based on the design. These were developed as the Ki-1 and Ki-2 respectively, the former sharing little with the Junkers design other than its general configuration, but the latter featuring wings essentially the same as the K 37 fitted with extra ailerons.

pecifications (K 37)

aerospecs
ref=
met or eng?= eng

crew=Three
capacity=
length m=11.40
length ft=37
length in=5
span m=20.05
span ft=65
span in=9
swept m=
swept ft=
swept in=
rot number=
rot dia m=
rot dia ft=
rot dia in=
dia m=
dia ft=
dia in=
width m=
width ft=
width in=
height m=4.60
height ft=15
height in=1
wing area sqm=54.2
wing area sqft=583
swept area sqm=
swept area sqft=
rot area sqm=
rot area sqft=
volume m3=
volume ft3=
aspect ratio=
wing profile=
empty weight kg=2,600
empty weight lb=5,720
gross weight kg=4,500
gross weight lb=9,900
lift kg=
lift lb=

eng1 number=2
eng1 type=Siemens-built Bristol Jupiter VI
eng1 kw= 440
eng1 hp= 590
eng1 kn=
eng1 lbf=
eng1 kn-ab=
eng1 lbf-ab=
eng2 number=
eng2 type=
eng2 kw=
eng2 hp=
eng2 kn=
eng2 lbf=
eng2 kn-ab=
eng2 lbf-ab=

max speed kmh=224
max speed mph=140
max speed mach=
cruise speed kmh=
cruise speed mph=
stall speed kmh=
stall speed mph=
range km=850
range miles=530
endurance h=
endurance min=
ceiling m=7,000
ceiling ft=23,000
g limits=
roll rate=
glide ratio=
climb rate ms=
climb rate ftmin=
sink rate ms=
sink rate ftmin=

armament1=3 × .303 calibre machine guns
armament2=500 kg (1,100 lb) bombs
armament3=
armament4=
armament5=
armament6= aircontent
see also=
related=
similar aircraft=
lists=

References

*
* [http://hugojunkers.pytalhost.com/ju_s36_a1.htm Hugo Junkers homepage]
* [http://www.airwar.ru/enc/bww1/juk37.html Уголок неба]
*
*