Baumgärtl Heliofly III

The Heliofly was a backpack gyroplane of the Austrian inventor Paul Baumgartl.

History

At the Vienna Exhibition in 1946 he exhibited for the first time before his Heliofly I. None of the built prototypes ever went into production.

Versions

The construction is in this case carried on the back like a backpack, does not have a drive and uses the principle of autorotation in helicopters. It has been developed Heliofly to jump off of hills or mountains, and thus to be able to overcome great distances. With its 17.5 kg this backpack gyroplane was easy mitzutragen and create.

This model of a backpack helicopter (English Backpack helicopter ) was designed in 1942 and has two opposite single-bladed rotors, which thus form a coaxial rotor. Each driven by an Argus As 8, 8 PS Argus motor, the rotor has a diameter of 4.75 m and a weight of 20 kg.

The first model, which was not designed as a compact helicopter, this model has a seat on an iron frame with skids as landing device. When driving a 16 hp motor is used. This device weighed only 35 kg take-off weight was about 120 kg. The rotor diameter was 6.1 m.