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Stipa-Caproni Flying Barrel (take-off footage only)

Bomberguy Bomberguy·339 videos
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Uploaded on Sep 30, 2007

The principle of ducted fans is well understood now. They require a duct with correct tapering at each end and a low drag but powerful engine at its core. Multiple-bladed propellers, or a fan as on a modern high-bypass turbofan are needed for efficiency. Placing a Tiger Moth engine inside a fat tube doesn't cut it. An Italian government engineer, Luigi Stipa, convinced the Caproni Company to build an aircraft to test his theory that a tubular fuselage gave significant extra thrust to a conventional engine and propeller. The resulting Caproni-Stipa aircraft had a corpulent annular fuselage, which concealed a Gipsy engine and two-bladed propeller. All this achieved was high drag and low noise, although the landing speed was reduced to 68km/h. Performance was otherwise lower than a conventional airframe with the same powerplant.

Stipa claimed that the outer fuselage was profiled to generate lift. It was said that this contributed 37% of the total. The Stipa's pilot and passenger had to sit in cockpits perched atop the fuselage. An inherent flaw in the design is that there is little room for any payload. Humped surfaces around the cockpits would have seriously impeded the view of pilot and passenger unless they leaned to one side, which would have been essential during take-off and landing.

Specification CREW 2
ENGINE 1 x 120hp de Havilland Gipsy III inline piston engine
WEIGHTS Take-off weight 800 kg 1764 lb
DIMENSIONS Wingspan 14.28 m 46 ft 10 in Length 5.88 m 19 ft 3 in Height 3.00 m 9 ft 10 in
PERFORMANCE Max. speed 131 km/h 81 mph

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Top Comments

  • jacktheripped

    do a barrel roll

    · 51

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  • MrAndyBones

    Although it appeared to be a simple "fan", It was actually propelled by a stream of bird blood and shredded feathers.

    · 20

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Video Responses


All Comments (304)

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  • SuperAviatar

    funny really... the ducted fan only makes sense if it is in pods under or over the wings...

    See the Edgely Optica for a more ingenious solution.... still a bit of overcomplication.

    Better propeller design makes the duct superfluous.

    ·

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  • Ethan Surbaugh

    hah! That's the first thing I thought of next as well!! The caproni campini!

    ·

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    in reply to Scooter George (Show the comment)
  • AXESMI

    The World's First Salad Shooter! LOL

    ·

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  • cainiaowu

    so cuuuuuuuuttttttttttteeeeeeeeee­!

    ·

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  • GEORGIOS INFA

    freaking uglyyyyy !!

    ·

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  • Scooter George

    Those wacky Italians. In the thirties they built a jet that used a pisron engine to drive the compressor. It had no turbine. Went about 200 MPH.

    ·

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  • MyMiniminx

    Wow!!!

    ·

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  • James Stevens

    The mig 15 was not invented at this time. Jet engines were only being experimented with at this stage.

    ·

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    in reply to AwardUTube (Show the comment)
  • 45656778990

    Такие делали потом реактивные.

    ·

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  • Guilherme Ricardo Hasselmann

    soh fauto diminuir o escape atras e tranformar o tubo em uma camara de combustao...seria o primeiro aviao jato propursor!uashuashuahsuahsu

    ·

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