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Kawanishi K-200


Long-Ranged, Jet-Powered Flying Boat Aircraft Proposal (1946)


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The Kawanishi K-200 jet-powered flying boat never materialized beyond the planning stage - the end of the war ended any design hopes for Japan.



Authored By: Staff Writer | Last Edited: 02/06/2020 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site.
The Japanese concern of Kawanishi made a name for itself in service to the Empire by delivering a healthy stable of serviceable floatplane and flying boat aircraft. Before the end of the war in August of 1945, and amidst Japan's worsening war situation, many desperate projects were undertaken by local firms in an effort to meet military requirements put forth. Kawanishi, either through a private initiative or at the behest of the Imperial Japanese Navy (IJN), began work on a new long-range flying boat design before the cessation of hostilities and this became the "K-200" which ultimately saw no prototypes completed, the project terminated with the end of the war.

Kawanishi found success with their conventionally-powered, four-engined H8K flying boat during the war and these served the IJN with distinction from January 1942 onward. With this big aircraft experience, the K-200 took shape as a high-winged development with outboard floats, a boat-like lower hull and traditional, single-finned tail unit. Instead of engines driving propeller blades as in the H8K, six turbojets were projected for power and arranged in two sets of three engine nacelles to be fitted over the wing mainplanes. The cockpit, heavily glazed, was fitted forward of the wings and aft of a nose cone assembly. The standard crew would most likely range between six and eight persons.

Since the K-200 only ever entered the planning stages very little concrete information went on to be finalized before the end. Its usefulness in service would have been limited - early-form Japanese turbojets were thirty devices and short on range though offering the necessary performance. Armament may have followed the established H8K arrangement being a mix of cannon and machine guns for both offensive- and defensive-minded actions - a dorsal turret and tail turret among key features most likely included. The aircraft's war load would have supported torpedoes, depth charges, mines and conventional drop bombs.

The illustration provided is a concept approach to the K-200 utilizing what was known of the design and elements seen in Kawanishi's past maritime products. Presented performance figures are pure estimates.

Specifications



Service Year
1946

Origin
Imperial Japan national flag graphic
Imperial Japan

Status
CANCELLED
Development Ended.
Crew
3

Production
0
UNITS


Kawanishi Aircraft Company - Japanese Empire
National flag of modern Japan Imperial Japan (proposed/cancelled)
(OPERATORS list includes past, present, and future operators when applicable)
Special-Mission: Anti-Ship
Equipped to search, track, and engage enemy surface elements through visual acquisition, radar support, and onboard weaponry.
Maritime / Navy
Land-based or shipborne capability for operating over-water in various maritime-related roles while supported by allied naval surface elements.
Transport
General transport functionality to move supplies/cargo or personnel (including wounded and VIP) over range.
Intelligence-Surveillance-Reconnaissance (ISR), Scout
Surveil ground targets / target areas to assess environmental threat levels, enemy strength, or enemy movement.
X-Plane (Developmental, Prototype, Technology Demonstrator)
Aircraft developed for the role of prototyping, technology demonstration, or research / data collection.


Length
98.4 ft
(30.00 m)
Width/Span
131.2 ft
(40.00 m)
Height
30.3 ft
(9.25 m)
Empty Wgt
44,974 lb
(20,400 kg)
MTOW
9,259 lb
(4,200 kg)
Wgt Diff
+-35,715 lb
(+-16,200 kg)
(Showcased structural values pertain to the base Kawanishi K-200 production variant)
Installed: 6 x Mitsubishi Ne-330 turbojet engines developing 2,865 thrust each (estimated).
Max Speed
360 mph
(580 kph | 313 kts)
Ceiling
32,005 ft
(9,755 m | 6 mi)
Range
1,389 mi
(2,235 km | 4,139 nm)


♦ MACH Regime (Sonic)
Sub
Trans
Super
Hyper
HiHyper
ReEntry
RANGES (MPH) Subsonic: <614mph | Transonic: 614-921 | Supersonic: 921-3836 | Hypersonic: 3836-7673 | Hi-Hypersonic: 7673-19180 | Reentry: >19030


(Showcased performance specifications pertain to the base Kawanishi K-200 production variant. Compare this aircraft entry against any other in our database. View aircraft by powerplant type)
ESTIMATED:
1 x 20mm Type 99 cannon in nose.
2 x 7.7mm Type 99 / Type 92 machine guns at waist / beam positions (one gun per position).
1 x 20mm Type 99 cannon in tail turret.

OPTIONAL:
Unknown stores weight limit consisting of torpedoes, depth charges, and conventional drop bombs.


Supported Types


Graphical image of an aircraft medium machine gun
Graphical image of an aircraft automatic cannon
Graphical image of an aircraft conventional drop bomb munition
Graphical image of an aircraft aerial torpedo
Graphical image of a naval depth charge


(Not all ordnance types may be represented in the showcase above)
Hardpoint Mountings: 2


K-200 - Base Project Designation.


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