Barrel Role: The Stipa-Caproni
For those of you who aren't already acquainted with this early 30's Italian flying barrel of an experiment, here is the Stipa-Caproni for your reading and visual aero-tainment:
Disclaimer: The above color photo of a Stipa-Caproni is actually a 3/5 scale flying replica that was built in Australia and photographed during a test flight in October 2001. It was never flown again and is now on static display in Toowoomba Airfield, Australia.
Here's a brief lowdown from Prof.Wikipedia:
The Stipa-Caproni, also known as the Caproni Stipa, was an experimental Italian aircraft designed in 1932 by Luigi Stipa (1900–1992) and built by Caproni. It featured a hollow, barrel-shaped fuselage with the engine and propeller completely enclosed by the fuselage—in essence, the whole fuselage was a single ducted fan. Although the Regia Aeronautica (Italian Royal Air Force) was not interested in pursuing development of the Stipa-Caproni, its design influenced the development of jet propulsion.
And now for your viewing pleasure, follow this YouTube link and skip the ad to watch vintage footage of the actual Stipa-Caproni during it's test fight. Note the extreme bouncing around in the cockpit upon landing.