propeller
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propeller
A technical component with several rotating blades that generates thrust through its rotation and thus serves to power airplanes or ships, or to move air in fans.
Der Propeller des kleinen Flugzeugs begann sich mit lautem Dröhnen zu drehen.
The propeller of the small airplane began to spin with a loud roar.
In connection with 'Propeller' (propeller), verbs are often used that describe its function. The most common are 'sich drehen' (to rotate/spin) for the movement and 'antreiben' (to drive/power) for the purpose.
Der Motor startet und der Propeller beginnt sich langsam zu drehen.
The engine starts and the propeller slowly begins to spin.
The word 'Propeller' (propeller) is often used as the second part of compound nouns to specify the type of propeller. Examples are 'Schiffspropeller' (ship propeller), 'Flugzeugpropeller' (airplane propeller), or 'Heckpropeller' (tail rotor/rear propeller).
Der Schiffspropeller wurde bei der Kollision mit dem Felsen beschädigt.
The ship's propeller was damaged in the collision with the rock.
From the context, it is usually clear what kind of propeller is meant. Words like 'Flugzeug' (airplane), 'Boot' (boat), 'Schiff' (ship), 'Drohne' (drone), or 'Ventilator' (fan) indicate the exact use.
Der Ventilator an der Decke hat einen sehr leisen Propeller.
The fan on the ceiling has a very quiet propeller.
screw
'die Schraube' and 'der Propeller' can refer to the same component on ships or airplanes: a part that rotates and creates propulsion. 'Propeller' is the more general word and usually clearer for learners, especially with airplanes, boats, or fans. 'Schraube' is used in this meaning mainly in technical contexts, for example in 'die Schiffsschraube' (ship's propeller). The words can be confusing because 'Schraube' much more often means the small metal part with a thread. When the topic is propulsion through rotating blades, 'Propeller' is usually clearer.
Der Propeller des kleinen Flugzeugs dreht sich schon.
The propeller of the small airplane is already spinning.
Die Schraube des Bootes wurde durch einen Stein beschädigt.
The boat's propeller was damaged by a stone.