Variable-pitch propellers

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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
CPPs

Controllable pitch propellers (CPPs) are used when requirements exceed what a fixed pitch propeller can offer. The pitch is adjusted during operation ...

boat propeller
boat propeller
FP-A

... expensive than the FP propeller and the spare parts are much more expensive. Due to this we do not recommend this propeller, unless it is impossible to design a fixed pitch propeller. The ...

sailboat propeller
sailboat propeller
CPP

Controllable pitch propellers (CPP) for sailing vessels, or other vessels that need feathering have the same properties as a conventional controllable pitch propeller, ...

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 ...

sailboat propeller
sailboat propeller
E3 Orion

E3 Orion is a cutting-edge feathering propeller made by EWOL using high-resistance stainless steels Its core is made up of gears that allow the blades to navigate according to the fluid threads of the water while sailing ...

sailboat propeller
sailboat propeller
E4 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

... 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
SCP 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
4901

Diameter: 10 in
Pitch: 11 in - 17 in

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
ship propeller
ship propeller

... marine propellers: CPP series, FPseries propellers for large container propeller, Yacht propller,Bow thurster ,Azimuth thruster, propulsion system. 2.We can supply ABS, GL,BV, LR, ...

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
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
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

... 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 ...

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 ...

tugboat propeller
tugboat propeller

... using designs optimised for each vessel type. The key to vessel performance lies in design of the propeller! This is true whether an open propeller or Kort nozzle system.

ship propeller
ship propeller
Custom

This five blade Wageningen-B custom design propeller with variable pitch distribution features a cambered pressure face and is manufactured to ISO Class I. - Built to Bureau Veritas ...

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Michigan Marine Propulsion
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