Oar
rotor ?
may i know the other term of propeller blade particular in ship propeller There is no alternative term for "propeller blade", but the entire prop is sometimes called a screw.
A propeller governor is a piece of equipment that slows a propeller allowing it to be set so that it cannot exceed a certain speed. It is sometimes called a constant speed unit.
propeller
propeller cap
It's called a propeller.
It is called a rotor, and it more closely resembles a wing than a propeller blade
In the corner of the Gadget Room, there is a shelving unit and the large propeller hat is on the left side of the central shelf.
It is called prop wash.
Sometimes the propeller on a boat is called a screw & they used to be made of lead. So they would be found at the end of the propeller shaft.
Some ships do. It is called a reduction gear and takes power from the engine and transmits it to the shaft and propeller. Other ships use direct drive, electric motors, steam or other schemes to power the propeller.