To improve jet output by increasing rotation output to 10-23 thousand times of an existing steam turbine rotation output in a liquid metal solar heat engine.

In the liquid metal solar heat engine, a plurality of same diameter same shape multiple stage moving blade group multiple stage turbine are accelerated by gravity of liquid metal, part of superheated steam, and part of combustion gas, atmospheric pressure same velocity same volume liquid metal power is increased to 10-23 thousand times of the existing steam turbine rotation power, almost all superheated steam and combustion gas are supplied to a combination engine jet part 78S and used for fuel injection combustion, and large size various airships, various airplanes, and various aircrafts are driven with targets of 10-100 time pressure, 10 time heat quantity jet and 100-1,000 time jet thrust space reach of a short time existing jet aircraft. Consequently, space utilization with low fuel consumption and low CO2 emission is made popular, limited resources such as fossil fuel is left offspring, and global warming is prevented.