AVIATRANSFORMER Russian patent published in 2014 - IPC B60F5/02 

FIELD: aircraft engineering.

SUBSTANCE: aviatransformer comprises fuselage with streamlined canopy with bottom shaped to boat bottom, three-wheel undercarriage, engine with pusher propeller, top wing with left and right outer wings folding along fuselage side surface, upper centre-section, empennage with two aerodynamic fins. Fuselage bottom is shaped to boat bottom and comprises boards changing at mid section to two bottom parallel hydrodynamic keels of invariable width with bases located in one horizontal plane. Fuselage bottom part between hydrodynamic keels is composed of short-span airfoil. Said hydrodynamic keels are smoothly conjugated with aerodynamic keels at fuselage tail bottom section.

EFFECT: improved takeoff and landing.

5 cl, 4 dwg