0 a type of wheel with small flat blades attached around the edge that makes a boat move through the water or that operates a piece of machinery -- （船的）明輪，槳輪
A recessed stern paddle wheel provided propulsion, powered by a wood-burning steam boiler engine.
For very strong shaking, the vanes of the paddle wheel interacted with the gas, forming a convection roll, sustaining their rotation.
An engine rotates the paddle wheel in the water to produce thrust, forward or backward as required.
They also made large mechanical puppet theatres driven by waterwheels and carriage wheels and wine-serving automatons driven by paddle wheel boats.
The smaller hull supports the axle of the paddle wheel which rotates in the river.
The typical paddle wheel steamship was powered by a coal burning engine that required firemen to shovel the coal to the burners.
Each paddle wheel was driven by an individual electric motor, giving outstanding maneuverability.
The force of the water would strike a simple paddle wheel set horizontally in line with the water.
