Yokosuka MXY-7 Ohka

Yokosuka MXY-7 Ohka
Pays	Japon
Rôle	Avion d’attaque kamikaze
Premier vol	Octobre 1944
Nombre construit	852

Galerie de photos d’un Yokosuka MXY-7 Ohka, The Yokosuka MXY-7 Ohka (櫻花 Ōka?, « fleur de cerisier »; 桜花 dans l’orthographe moderne) était un avion d’attaque kamikaze à guidage humain utilisé par le Japon vers la fin de la Seconde Guerre mondiale. Les marins américains ont donné à l’avion le surnom de Baka

Source: Yokosuka MXY-7 Ohka sur Wiki

Yokosuka MXY-7 Ohka
Photographe	David Smith
Localisation	Inconnu
Photos	37

Yokosuka MXY-7 Ohka 01

Yokosuka MXY-7 Ohka 02

Yokosuka MXY-7 Ohka 03

Yokosuka MXY-7 Ohka 04

Yokosuka MXY-7 Ohka 05

Yokosuka MXY-7 Ohka 06

Yokosuka MXY-7 Ohka 07

Yokosuka MXY-7 Ohka 08

Yokosuka MXY-7 Ohka 09

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Yokosuka MXY7 Ohka Walk Around
Photographe	Unknow
Localisation	Inconnu
Photos	32

Yokosuka MXY7 Ohka 01

Yokosuka MXY7 Ohka 02

Yokosuka MXY7 Ohka 03

Yokosuka MXY7 Ohka 04

Yokosuka MXY7 Ohka 05

Yokosuka MXY7 Ohka 07

Yokosuka MXY7 Ohka 06

Yokosuka MXY7 Ohka 09

Yokosuka MXY7 Ohka 08

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Voir aussi :

The Spear of Desperation

Lla Yokosuka MXY-7 Ohka was a piloted, rocket-powered kamikaze aircraft used by the Imperial Japanese Navy in the final stages of WWII. Unlike other aircraft adapted for suicide missions, the Ohka was designed from the ground up as a flying bomb. It was carried to the vicinity of the target by a Mitsubishi G4M2e « Betty » mother ship and released. Once detached, the pilot would glide toward the target and then ignite three solid-fuel rockets for a high-speed terminal dive that was nearly impossible to intercept. To the Japanese, it was the « Cherry Blossom »; to the Allies, it was known by the reporting name « Baka » (Japanese for « idiot » Ou « imbécile »).

Attribute	Technical Specification (Model 11)
Rôle	Human-Guided Anti-Ship Missile
Crew	1 (Pilot)
Warhead	1,200 kg (2,646 lb) of Tri-Nitro-Anisole (Ammonal)
Groupe motopropulseur	3 × Type 4 Mark 1 Model 20 solid-fuel rockets
Thrust	800 kg (1,764 lb) total
Top Speed	630 km/h (Level) / 800+ km/h (In dive)
Portée opérationnelle	37 km (23 miles) after release
Envergure	5.12 meters (16 ft 9 in)

Design Engineering: A Ballistic Sledgehammer

The Warhead Nose: The front third of the aircraft was entirely occupied by a massive 1,200 kg armor-piercing bomb. It was designed to penetrate the thick deck armor of Allied aircraft carriers and battleships before detonating deep within the hull.
Wood and Metal Construction: To conserve strategic materials, the wings and tail surfaces were primarily made of wood. Only the central fuselage housing the pilot and warhead was made of aluminum.
Rudimentary Controls: The cockpit was extremely basic, containing only a compass, altimeter, airspeed indicator, and the ignition switch for the rockets. There was no landing gear; the Ohka was a one-way weapon.
Rocket Ignition Sequence: The pilot typically glided as far as possible to conserve fuel. The three rockets provided only about 8 to 10 seconds of powered flight, intended to accelerate the craft to transonic speeds during the final approach to bypass the « curtain of fire » from Allied AA guns.

The Operational Reality

Lla « Betty » Vulnerability: The biggest flaw in the Ohka system was its delivery method. The G4M « Betty » bomber was already vulnerable to interceptors; when burdened with a 4,700 lb Ohka, it became a slow, unmaneuverable target. Most Ohkas were destroyed while still attached to their mother ships.
USS Mannert L. Abele: The most « successful » Ohka mission occurred on April 12, 1945, when an Ohka struck the destroyer USS Mannert L. Abele, breaking the ship in two and sinking it almost instantly.
Psychological Warfare: While the actual number of ships sunk by Ohkas was low, the sight of a rocket-powered aircraft diving at 500 mph was terrifying to Allied sailors and forced a massive increase in the number of « picket » ships used for early warning.
Post-War Evaluation: Captured Ohkas were studied by Allied engineers. They were impressed by the simple but effective aerodynamics of the tiny craft, though the concept was quickly rendered obsolete by the advent of guided surface-to-air and air-to-surface missiles.