HOT AIR BALLOON Russian patent published in 2017 - IPC B64B1/62 

FIELD: aviation.

SUBSTANCE: hot air balloon comprises a shell having an opening in the wall from below for the entry of the air heated by a burner, a gondola attached to the shell. At the edge of the wall opening, a helical surface is made forming a screw connection with a mating helical surface made around the circumference of the gondola neck. In the wall of the neck there are openings for air passage. The burner is located centrally at the top of the neck and is separated by a partition from the inhabited gondola compartment. Portholes located at an angle of 0-60° to the horizon are installed in the wall of the gondola. A telescope is installed in the floor of the gondola. The gondola is equipped with elements for fixing the landing gear.

EFFECT: simplified hot-air balloon installation, increased convenience of its use.

5 cl, 2 dwg