Aichi M6A1 Seiran | |
| País | Japão |
| Tipo | Avião flutuante lançado por submarino |
| Primeiro voo | 1943 |
| Construído | 28+1 |
O Aichi M6A Seiran foi um avião de ataque lançado por submarino projetado para a Marinha Imperial Japonesa durante a Segunda Guerra Mundial. Era para operar a partir de submarinos classe I-400 cuja missão original era realizar ataques aéreos contra os Estados Unidos.
Fonte: Aichi M6A1 Seiran na Wiki
| Aichi M6A1 Seiran | |
|---|---|
| Fotógrafos | John Heck |
| Localização | Museu Nacional do Ar & Espaço |
| Fotos | 49 |
| Especificações | |
|---|---|
| Papel | Bombardeiro de mergulho/torpedo lançado por submarino |
| Fabricante | Aichi Kokuki KK |
| Primeiro voo | 1943 |
| Introdução | 1945 |
| Aposentado | 1945 |
| Usuário primário | Serviço Aéreo IJN |
| Produzido | 1943-1945 |
| Número construído | 28 |
| Aichi M6A Seiran anda por aí | |
|---|---|
| Fotógrafo | Cees Hendriks |
| Localização | Desconhecido |
| Fotos | 34 |
Compre-me um café| Aichi M6A Seiran anda por aí | |
|---|---|
| Fotógrafo | Oleg Danchenko |
| Localização | Desconhecido |
| Fotos | 27 |
Veja também:
The Phantom of the Deep
O Aichi M6A1 Seiran was one of the most specialized aircraft of WWII. It was designed specifically to be carried by the massive I-400 class submarine aircraft carriers. The Seiran (meaning “Mountain Haze” or “Storm from a Clear Sky”) was intended to be launched via catapult, fly a precision strike mission against targets like the Panama Canal, and then return to the submarine. It represented a pinnacle of Japanese engineering, managing to pack the performance of a land-based dive bomber into a folding airframe that could survive the damp, cramped confines of an underwater hangar.
| Attribute | Technical Specification (M6A1) |
|---|---|
| Papel | Submarine-borne Attack Bomber |
| tripulação | 2 (Pilot and Navigator/Radio Operator) |
| Usina | 1 × Aichi Atsuta 32 liquid-cooled V12 |
| Horsepower | 1,400 hp (1,044 kW) |
| Maximum Speed | 474 km/h (295 mph) with floats / 560 km/h without |
| Armamento | 1 × 13mm Type 2 machine gun (rear); 1 × 800kg bomb or torpedo |
| Envergadura | 12.26 m (40 ft 3 in) — Folded: 2.46 m (8 ft 1 in) |
Design Engineering: The Art of the Fold
- The Folding Mechanism: To fit inside the 3.5-meter diameter hangar of the I-400, the Seiran’s wings rotated 90 degrees to lie flat against the fuselage. Even the vertical and horizontal stabilizers folded down. A trained crew could deploy the aircraft from the hangar to launch-ready in under 7 minutes.
- Liquid-Cooled Power: Unusually for Japanese aircraft, the Seiran used a liquid-cooled engine (the Atsuta 32, a licensed version of the German DB 601). To speed up launches, the submarine’s hangar system could pre-heat the engine oil and coolant, allowing the plane to take off immediately without a long warm-up period.
- Jettisonable Floats: While typically fitted with twin floats for recovery, the floats could be jettisoned in flight to increase speed during an attack. For the Panama Canal mission, the pilots were expected to ditch the planes near the sub and be picked up, as the floats were too heavy for the maximum bomb load.
- Night Strike Capability: The cockpit was equipped with luminescent instrument dials and advanced navigation aids, as the primary mission profile involved launching under the cover of darkness.
Combat History: The Mission That Never Was
- Operation PX: Originally, the Seirans were to be used in a biological warfare attack against the US West Coast. This plan was cancelled by General Umezu, who feared it would start a war of “unlimited proportions.”
- The Panama Canal Target: The primary target shifted to the Panama Canal locks. The goal was to disable the canal and prevent the US from moving its fleet between the Atlantic and Pacific. The Seirans were even painted in US Navy markings as a “ruse de guerre” to get close to the target.
- The Ulithi Atoll Strike: As the war neared its end, the target changed again to the US carrier anchorage at Ulithi. However, the mission was aborted when Japan surrendered while the I-400 was still en route.
- The Lone Survivor: To prevent the technology from falling into Allied hands, most Seirans were catapulted into the sea or pushed overboard at the end of the war. Only one survives today, beautifully restored and on display at the Smithsonian National Air and Space Museum.
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