propeller
fan that transmits rotational motion into thrust
manoeuvring thruster
transversal propulsion device built in to some ships and boats
chopper
propeller design used on boats
variable pitch propeller
propeller with blades that can be rotated to control their pitch while in use
cleaver
type of propeller
contra-rotating propellers
two-propeller design for improving low-airspeed maneuverability
propeller
aircraft component which converts engine torque into forward thrust
ducted propeller
Marine propeller with a non-rotating nozzle
Folding propeller
Propeller with blades that fold open when rotating
composite propeller
Type of ship's propeller
toroidal propeller
toroid-shaped propeller for higher efficiency and lower noise