Balloon boat is rescue boat with airframe and propulsion unit, and boat is connected to balloon materials, can travel over water as boat or travel through air as airship

摘要

The balloon boat is a rescue boat with an airframe and propulsion unit. The boat is connected to balloon materials, can travel over the water as a boat or travel through the air as an airship. The balloon can be used for the conveyance of freight. The propulsion unit has a propeller, a shaft, coal combustion chamber and gearing.