FIELD: aviation.
SUBSTANCE: hot-air balloon contains the shell with the thermal insulation layer, the heater with the fan, the temperature sensors, the electrically controlled warm air vent in the upper part of the shell and the power supply system, consisting of the ground high-voltage, high-frequency generator, the low-voltage on-board converter, connected by the conducting wire. The low-voltage on-board converter is connected by the electric cable to the heater.
EFFECT: hot-air balloon standing in the raised position time increase.
1 dwg
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