Many aircraft in development by Japan at the time of the surrender of 1945 were ended in whatever state they resided (if they had not already been destroyed, either by the Japanese themselves or by the relentless Allied air campaign). Tachikawa undertook two late-war programs intended as bomber interceptors for the Army under the "Ki-94" designation. As the American Boeing B-29 "Superfortress" high-altitude heavy bomber became the primary concern for the Japanese homeland, a high-altitude fighter capable of intercepting these machines was in order.
The initial Ki-94 offering, later bestowed the designation of "Ki-94-I" was a unique twin-boom, single-engine/twin-propeller fighter design with a centralized fuselage nacelle housing the cockpit, armament and engine. The wing mainplanes were low-mounted with the booms emanating from their trailing edges. The single-seat cockpit was fitted at the center of the fuselage nacelle with the engine in the nose. The aircraft would be powered by one engine installation - a Nakajima Ha-211 18-cylinder air-cooled radial piston type - while driving a twin-propeller arrangement: there was a four-bladed propeller unit at the nose and a second unit at the extreme end of the fuselage nacelle driven via an extension shaft (termed a "push-pull" configuration). Proposed armament was 2 x 37mm cannons along with 2 x 30mm cannons - a formidable frontal "punch" against any Allied bomber of the war.
The follow-up Ki-94-II took on a more conventional design arrangement. A low-wing monoplane planform was used which sat the wings ahead of midships and the cockpit over it. The tail unit utilized a single vertical plane along with two low-set horizontal planes. The engine was held in the nose and a tail-dragger undercarriage featured. A pressurized cockpit was to be used to satisfy the high-altitude requirement. Power came from a Nakajima Ha-219 (Ha-44-12) 18-cylinder of 2,461 horsepower output driving a six-bladed propeller unit. Armament centered on 2 x 30mm Ho-155 series cannons paired with 2 x 20mm Ho-5 cannons - all fitted to the wing elements. There would be provision for carrying 2 x 550 lb drop bombs for the attack role if needed.
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(OPERATORS list includes past, present, and future operators when applicable)
✓Air-to-Air Combat, Fighter
General ability to actively engage other aircraft of similar form and function, typically through guns, missiles, and/or aerial rockets.
✓X-Plane (Developmental, Prototype, Technology Demonstrator)
Aircraft developed for the role of prototyping, technology demonstration, or research / data collection.
Length
39.4 ft (12.00 m)
Width/Span
45.9 ft (14.00 m)
Height
15.3 ft (4.65 m)
Empty Wgt
10,229 lb (4,640 kg)
MTOW
14,220 lb (6,450 kg)
Wgt Diff
+3,990 lb (+1,810 kg)
(Showcased structural values pertain to the base Tachikawa Ki-94 production variant)
(Showcased performance specifications pertain to the base Tachikawa Ki-94 production variant. Performance specifications showcased above are subject to environmental factors as well as aircraft configuration. Estimates are made when Real Data not available. Compare this aircraft entry against any other in our database or View aircraft by powerplant type)
STANDARD (Ki-94-I, proposed):
2 x 37mm cannons
2 x 30mm cannons
STANDARD (Ki-94-II):
2 x 30mm Ho-155 cannons in wings
2 x 20mm Ho-5 cannons in wings
OPTIONAL (Ki-94-II):
2 x 550 lb bombs
Supported Types
(Not all ordnance types may be represented in the showcase above)
Hardpoint Mountings: 2
Ki-94 - Base Series Designation
Ki-94-I - Twin-boom, push-pull configuration; Nakajima Ha-211 engine; armed with 2 x 37mm cannons and 2 x 30mm cannons; mock-up form only.
Ki-94-II - Conventional fighter design; Nakajima Ha-219 engine of 2,461 horsepower driving six-bladed propeller; 2 x 30mm and 2 x 20mm cannons in wings with 2 x 550lb bomb provision.
Ribbon graphics not necessarily indicative of actual historical campaign ribbons. Ribbons are clickable to their respective aerial campaigns / operations / aviation periods.
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Imperial Japan (cancelled)
