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  • Douglas SBD Dauntless

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    Description

    The Douglas SBD Dauntless is a World War II American naval scout plane and dive bomber that was manufactured by Douglas Aircraft from 1940 through 1944

    General Information

    The SBD was also flown by the United States Marine Corps, both from land air bases and aircraft carriers. The SBD is best remembered as the bomber that delivered the fatal blows to the Japanese carriers at the Battle of Midway in June 1942. The type earned its nickname "Slow But Deadly" (from its SBD initials) during this period.

     

    During its combat service, the SBD proved to be an excellent naval scout plane and dive bomber. It possessed long range, good handling characteristics, maneuverability, potent bomb load, great diving characteristics from the perforated dive brakes, good defensive armament, and ruggedness. One land-based variant of the SBD – omitting the arrestor hook — was purpose-built for the U.S. Army Air Forces, as the A-24 Banshee.

     

    Design work on the Northrop BT-1 began in 1935. In 1937, the Northrop Corporation was taken over by Douglas, and the active Northrop projects continued under Douglas Aircraft Corporation. The Northrop BT-2 was developed from the BT-1 by modifications ordered in November 1937, and provided the basis of the SBD, which first entered service in mid-1939. Ed Heinemann led a team of designers who considered a development with a 1,000 hp (750 kW) Wright Cyclone engine. The plane was developed at the Douglas El Segundo, CA plant, and that facility, along with the company's Oklahoma City plant, built almost all the SBDs produced. One year earlier, both the U.S. Navy and Marine Corps had placed orders for the new dive bomber, designated the SBD-1 and SBD-2 (the latter had increased fuel capacity and different armament). The SBD-1 went to the Marine Corps in late 1940, and the SBD-2 to the Navy in early 1941, replacing the SBU Corsair and Curtiss SBC Helldiver squadrons on US carriers. Distinctive perforated split flaps or "dive-brakes" had been incorporated into the BT-1 to eliminate tail buffeting during diving maneuvers. Unusual for carrier aircraft, folding wings were not chosen for the design, opting instead for structural strength.

     

    For more information on development and design, operational history and variants, click here.

     

     

    Douglas Dauntless 5.jpg

    Douglas Dauntless B-25.jpg

    Douglas Dauntless liftoff.jpg

    Douglas Dauntless parked.jpg

    Specifications

    Seats:
    Crew: two.
    Length:
    33 ft 1.25 in (10.0902 m)
    Wingspan:
    41 ft 6.375 in (12.65873 m)
    Height:
    13 ft 7 in (4.14 m)
    Wing Area:
    325 sq ft (30.2 sq m)
    Wing Loading:
    28.8 lb/sq ft (141 kg/sq m)
    Empty Weight:
    6,404 lb (2,905 kg)
    MTOW:
    10,700 lb (4,853 kg), Gross weight: 9,359 lb (4,245 kg)
    Fuel Capacity:
    260 US gal (220 imp gal; 980 l) in non-metallic self-sealing fuel tanks
    Powerplant:
    1 × Wright R-1820-60 Cyclone 9-cylinder air-cooled radial piston engine, 1,200 hp (890 kW)
    Vne:
    Maximum speed: 255 mph (410 km/h, 222 kn) at 14,000 ft (4,300 m)
    Cruise Speed:
    185 mph (298 km/h, 161 kn)
    Range:
    1,115 mi (1,794 km, 969 nmi), Ferry range: 1,565 mi (2,519 km, 1,360 nmi)
    Rate of Climb:
    1,700 ft/min (8.6 m/s)
    Service Ceiling:
    25,530 ft (7,780 m)

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