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Kawanishi K-200


Long-Ranged, Jet-Powered Flying Boat Aircraft Proposal


Imperial Japan | 1946



"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; No A.I. was used in the generation of this content.
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.

Content ©MilitaryFactory.com; No Reproduction Permitted.
Power & Performance
Those special qualities that separate one aircraft design from another. Performance specifications presented assume optimal operating conditions for the Kawanishi K-200 Long-Ranged, Jet-Powered Flying Boat Aircraft Proposal.
6 x Mitsubishi Ne-330 turbojet engines developing 2,865 thrust each (estimated).
Propulsion
360 mph
580 kph | 313 kts
Max Speed
32,005 ft
9,755 m | 6 miles
Service Ceiling
1,389 miles
2,235 km | 1,207 nm
Operational Range
City-to-City Ranges
Operational range when compared to distances between major cities (in KM).
NYC
 
  LON
LON
 
  PAR
PAR
 
  BER
BER
 
  MOS
MOS
 
  TOK
TOK
 
  SYD
SYD
 
  LAX
LAX
 
  NYC
Structure
The nose-to-tail, wingtip-to-wingtip physical qualities of the Kawanishi K-200 Long-Ranged, Jet-Powered Flying Boat Aircraft Proposal.
3
(MANNED)
Crew
98.4 ft
30.00 m
O/A Length
131.2 ft
(40.00 m)
O/A Width
30.3 ft
(9.25 m)
O/A Height
44,974 lb
(20,400 kg)
Empty Weight
9,259 lb
(4,200 kg)
MTOW
Design Balance
The three qualities reflected below are altitude, speed, and range. The more full the box, the more balanced the design.
RANGE
ALT
SPEED
Armament
Available supported armament and special-mission equipment featured in the design of the Kawanishi K-200 Long-Ranged, Jet-Powered Flying Boat Aircraft Proposal .
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.
Variants
Notable series variants as part of the Kawanishi K-200 family line.
K-200 - Base Project Designation.
Operators
Global customers who have evaluated and/or operated the Kawanishi K-200. Nations are displayed by flag, each linked to their respective national aircraft listing.

Total Production: 0 Units

Contractor(s): Kawanishi Aircraft Company - Japanese Empire
National flag of modern Japan

[ Imperial Japan (proposed/cancelled) ]
Relative Max Speed
Hi: 400mph
Lo: 200mph
Aircraft Max Listed Speed (360mph).

Graph Average of 300 MPH.
Era Crossover
Pie graph section
Showcasing Aircraft Era Crossover (if any)
Max Alt Visualization
Small airplane graphic
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
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Image of the Kawanishi K-200
Image copyright www.MilitaryFactory.com; No Reproduction Permitted

Mission Roles
Some designs are single-minded in their approach while others offer a more versatile solution to airborne requirements.
ANTI-SHIP
MARITIME / NAVY
TRANSPORT
RECONNAISSANCE
X-PLANE
Recognition
Some designs stand the test of time while others are doomed to never advance beyond the drawing board; let history be their judge.
Going Further...
The Kawanishi K-200 Long-Ranged, Jet-Powered Flying Boat Aircraft Proposal appears in the following collections:
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