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I had so much fun doing the Mizuno Shinryu rocket fighter, I decided to do another WWII Japanese rocket fighter design proposal that was never built.
The Kokukyoko Syusuishiki Kayaku (“Autumn Water”) started as an unmanned remote control missile project in 1945, intended to engage enemy bombers in a ramming attack. No warhead was installed. The unmanned aircraft was built to (hopefully) survive hitting the tail of a bomber, so it could be recovered and used again.
Unsurprisingly, a piloted version was designed as well. A mock-up was built, but as with so many Axis late war desperation projects, there was no time to get it built and operational before the war ended.
This design is almost a 3FNC project. Performance should be very high if done with a PNC-80K nose and BT-80. Might be more sensible to use 3”’ PSII to make it a little easier to see at altitude.
The tailless swept wing design will keep the CG fairly close to the motor casing and help minimize ballast.
Different illustrations of the design show differing wing planforms, so there is a lot of design freedom there.
The canopy could be a simple Depron box with painted windows, or it could be a built up part using flat sections of transparent plastic.
Should be a quick and easy build. Paint and markings will take more time than construction.
Unicraft produced a 1/72 scale resin model of the Rammer.
The Kokukyoko Syusuishiki Kayaku (“Autumn Water”) started as an unmanned remote control missile project in 1945, intended to engage enemy bombers in a ramming attack. No warhead was installed. The unmanned aircraft was built to (hopefully) survive hitting the tail of a bomber, so it could be recovered and used again.
Unsurprisingly, a piloted version was designed as well. A mock-up was built, but as with so many Axis late war desperation projects, there was no time to get it built and operational before the war ended.
This design is almost a 3FNC project. Performance should be very high if done with a PNC-80K nose and BT-80. Might be more sensible to use 3”’ PSII to make it a little easier to see at altitude.
The tailless swept wing design will keep the CG fairly close to the motor casing and help minimize ballast.
Different illustrations of the design show differing wing planforms, so there is a lot of design freedom there.
The canopy could be a simple Depron box with painted windows, or it could be a built up part using flat sections of transparent plastic.
Should be a quick and easy build. Paint and markings will take more time than construction.
Unicraft produced a 1/72 scale resin model of the Rammer.
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