Mitsubishi Ki-109
1944
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Mitsubishi Ki-109

Derived from the Ki-67 Hiryu bomber as a heavy interceptor, the Ki-109 was originally conceived in two versions: the Ki-109-ko mounting two obliquely-firing 37mm cannon and the Ki-109-otsu equipped with radar and a 40cm searchlight. The intention was that the two versions of the aircraft would work as a team. Soon thereafter the Ki-109 project was redefined as a bomber interceptor mounting a 75mm Type 88 cannon with which it could attack its quarry while remaining beyond the range of opposing defensive armament. Converted from a Ki-67 airframe and retaining the dorsal, lateral and tail gun positions of the bomber, and the Mitsubishi Ha-104 engines each rated at 1900hp for take-off, the first Ki-109 prototype was completed in August 1944. The second prototype was powered by Ha-104ru engines with Ru-3 turbo-superchargers, and it was intended that these would be installed in the final 22 aircraft of an initial batch of 42 Ki-109s. The first series Ki-109 dispensed with the dorsal and lateral gun positions, retaining only the tail position which mounted a single 12.7mm machine gun. Primary armament was the single 75mm cannon with 15 shells individually loaded by the co-pilot. In the event, production difficulties with the Ru-3 turbo-supercharger prevented its application to any series Ki-109s, and only 20 production aircraft were completed, these having standard Ha-104 engines.

Mitsubishi Ki-109


Specification 
 MODELKi-109
 CREW4
 ENGINE2 x Army Type 4, 1425kW
 WEIGHTS
    Take-off weight10800 kg23810 lb
    Empty weight7424 kg16367 lb
 DIMENSIONS
    Wingspan22.5 m74 ft 10 in
    Length17.95 m59 ft 11 in
    Height5.8 m19 ft 0 in
    Wing area65.85 m2708.80 sq ft
 PERFORMANCE
    Max. speed550 km/h342 mph
    Range2200 km1367 miles
 ARMAMENT1 x 75mm cannon, 1 x 12.7mm machine-guns

3-View 
Mitsubishi Ki-109A three-view drawing (752 x 989)

Comments
bombardier, 24.05.2011

This plane has a GUN.

Dale, 22.12.2010

Looking to find a 1/72 model of this plane to complete my collection.........thanks D

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