The expanding air spins a turbine that rotates the propeller. Because the turbine rotates so quickly, a reduction gear is generally present between the propeller and turbojet engine to lower the ...

There is preS'ented, therefore, the problem of providing a method in which a high-speed turbine may be made to drive a slowly-revolving propeller, thus conserving both turbine and propeller ...

The compressed air is used to drive a Tesla turbine of [Integza]’s design, which is 3D printed on a resin printer. Rather then driving a propeller, the Tesla turbine instead turns a Lily ...