Toroidal tail structure for tethered aeroform balloon

Details Toroidal tail structure for tethered aeroform balloon Toroidal tail structure for tethered aeroform balloon

1975-12-18

1976-11-23

Blix, Trygve M.

Aeronautics and astronautics

Aircraft, lighter-than-air

Balloons

244 31, B64B 150

Patent

active

039932699

ABSTRACT:
A tethered aeroform balloon having an inflated toroid tail structure secured to the balloon hull by means of a plurality of rope lines for supporting the drag forces and the weight and steering forces of the tail structure. The inflated tail structure has a substantially symmetrical air foil section with support diaphragms secured inside the tail structure. The tail structure is inflated by an electric motor powered fan supported on the tail structure. A pressure switch prevents over inflation of the tail structure. A check valve prevents the escape of air from the tail structure when the fan is not running.

REFERENCES:
patent: 3119579 (1964-01-01), Borgesson et al.
patent: 3395877 (1968-08-01), MacFadden et al.

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