Ship propellers

35 companies | 77 products
Ship propeller / variable-pitch / shaft-drive / 4-blade

For over three decades various ship types have been equipped with SCHAFFRAN...

Ship propeller / for yachts / fixed-pitch / shaft-drive

SCHAFFRAN is designing and building ship shaft installations with fixed- and controllable pitch propellers...

Ship propeller / fixed-pitch / shaft-drive / custom

Propeller designs are matched to the vessel’s...

Ship propeller / variable-pitch / shaft-drive / 5-blade

The adjustable bolted propeller (ABP) allows the most efficient...

Ship propeller / fixed-pitch / shaft-drive / 5-blade

Wärtsilä Fixed Pitch Propellers are recommended...

Ship propeller / auto-feathering / controllable / shaft-drive

Looking to save fuel? Take advantage of...

Ship propeller / fixed-pitch / shaft-drive / 4-blade

HI-TRAIL: Used for both pleasure...

Ship propeller / Kaplan / lateral thruster / 4-blade

This serie is currently matched with a nozzle to increase...

Ship propeller / Kaplan / lateral thruster / 5-blade

This serie is currently matched with...

Ship propeller / variable-pitch / shaft-drive

Since decades belong propeller blades and other components...

Yacht propeller / for ships / skew / fixed-pitch

Highly-skewed propellers are now standard...

Ship propeller / variable-pitch / shaft-drive / 4-blade

Helseth Propulsion manufactures three- and...

Ship propeller / variable-pitch / shaft-drive / 4-blade

Helseth Propulsion manufactures three- and...

Ship propeller / variable-pitch / shaft-drive / 4-blade

Helseth Propulsion manufactures three- and...

Ship propeller / fixed-pitch / shaft-drive / 4-blade

Helseth Propulsion manufactures three- and...

How to choose this product

ship-propeller

A ships propeller is the most common means of propulsion for ships. It consists of several blades, resembling those of a fan, mounted on the end of a drive shaft. Propellers differ in their materials, including bronze and aluminum, and their functional details. They can be fixed or variable pitch, surface-piercing propeller or another configuration.

Applications

The propeller transforms the engine's rotary power into thrust with each revolution it makes.

Technologies

Boat propellers work in the same way as airplane wings. Each blade is shaped like an airfoil. Rotation creates a pressure differential between the forward and aft surfaces due to blade profile and angle of attack. This difference results in thrust.

How to choose

Propeller size must be adapted to vessel size and engine power, since undersized blades cannot handle all the engine's power. Constituent material is also a factor. Ship propellers often are custom-built. Manufacturers have software and special equipment to aid in selection.

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