Variable-pitch propellers

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14 companies | 30 products
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ship propeller
ship propeller

... by MAN Alpha CP Propellers - customised to match their individual operational requirements, power modes and optimising points. MAN Alpha controllable pitch propeller -Standard Mk ...

boat propeller
boat propeller
EHWS

... controllable pitch propeller normally offers better performance than fixed pitch propellers at all rotational speeds. Our high performance propellers ...

boat propeller
boat propeller
EHW

... controllable pitch propeller normally offers better performance than fixed pitch propellers at all rotational speeds. Our high performance propellers ...

boat propeller
boat propeller
FR

Fixed pitch adjustable propellers are used when the optimal propeller design is not known or if fixed pitch propellers are not available. This solution ...

sailboat propeller
sailboat propeller
Hi-Speed Orion

In brief: The EWOL Hi-Speed ​​propeller for sailboat is available with Sail Drive transmission or shaft line, 3 blades. It is built in stainless steel with high mechanical and corrosion resistance. It has micrometric ...

sailboat propeller
sailboat propeller
Hi-Speed Pegasus

... , great maneuverability of the boat, but at the same time delicate and safe reversals for the inverter. Like all EWOL propellers, E4 PEGASUS maintains exceptional characteristics thanks to the quality of the materials ...

ship propeller
ship propeller

... automatic reduction of the propeller pitch in case of overload conditions or excessive towing warp strain/ winch load). Come-home devices are efficient and easy to use if, for any reason, the controls ...

speedboat propeller
speedboat propeller
CONTROLABLE PITCH PROPELLER

... CHOOSE A VARIABLE PITCH PROPELELR? If your boat is working under various conditions, various trips, various speeds ... SAILBOAT Change the pitch for a minimum resistance ...

boat propeller
boat propeller
CLASSIC 2

... design • 40 years of proven performance and reliability • Lowest sailing drag of any feathering propeller • Outstanding reverse power • Internally adjustable pitch • 2 Blade is ideal for racing boats ...

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MaxProp
ship propeller
ship propeller
XS / XL

... environmentally friendly high-efficiency controllable pitch propellers. Our controllable pitch propellers developed utilizing the expertise and advanced technology accumulated ...

ship propeller
ship propeller
SCP CP series

... comprehensive equipment PRECISION PERFORMANCE The SCP allows the propeller blades to be adjusted in pitch for manoeuvring and to adapt to changing operating conditions. The propellers ...

boat propeller
boat propeller
H20

The list of Autoprop advantages, and the reasons to fit one, is now so long that the propeller has its own website. Auto pitching, auto feathering, the same thrust in astern as ahead, less prop-walk in astern, a brand ...

boat propeller
boat propeller

... centre pressure. STRENGTHS POINTS. WHY CHOOSE JPROP The advantages of J Prop propellers are well know to sailing enthusiasts: the possibility of adjusting the pitch blades feathering for minimum ...

ship propeller
ship propeller

Controllable Pitch Propellers are mainly used on Coastal and inland vessels, Propeller designs are matched to the vessel's hull and its operating profile, to deliver the optimum in propeller ...

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Fountom Marine
boat propeller
boat propeller
S5

... for when the time comes to refurbish the propeller (items with * are included in the kit) Available to suit shafts from 7/8 to 1-1/2 inches diametre. Note ! most shaft threads need to be cut shorter to fit propeller ...

ship propeller
ship propeller
CPP

For over three decades various ship types have been equipped with SCHAFFRAN hydraulically operated controllable pitch propellers (CPP) and shaft installations and are operated successfully. Through distinct ...

boat propeller
boat propeller
4901

Art no: 4901 Propeller diameter: 10,4" Pitch range: adjustable from 11" to 17" Spline count: 14 Propeller shaft diameter: 19mm Gear Case diameter: 74/78mm Included in box: -Propeller ...

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ProPulse

How to choose this product

variable-pitch-propeller

A variable pitch propeller resembles an ordinary propeller. However, the inclination of its blades can be altered to change its angle of attack with respect to the water.

Applications

These propellers optimize performance under different load conditions. For this reason, they are often used on tugboats.

Technologies

Such propellers operate as do others, by creating a pressure difference between the forward and aft blade surfaces. However, an internal mechanism allows the angle of the blades to change while the vessel is underway. In some, the pitch can be inverted, allowing the vessel to move backward without changing the rotational direction of the engine.

How to choose

Propeller size will depend on vessel size and engine power. Another factor is the operation of the servomotor controlling blade pitch. The propeller's constituent material also should be considered. Variable pitch propellers often are custom-built. Manufacturers have software and special equipment to aid selection.

Advantages

- Flexibility
- Optimum performance
- Efficiency

Disadvantages

- High cost