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... Rolla an unmatched technology database for designing world-renowned propellers. A dedicated pattern for each application assures reliability, performance and longevity. Rolla propellers can be designed ...
... blade stainless steel propeller - Large diameter and blade area for big boat loads - Great high speed performance without sacrificing mid-range speeds - Excellent fuel economy for offshore boats RUBEX NS3 All-around Performance ...
SOLAS Propellers
Diameter: 330 mm - 508 mm
Pitch: 178 mm - 381 mm
... about the function of the folding blades propeller for sailing hulls is: TO REDUCING THE PROPELLER DRAG DURING SAILING (propeller drag is reduced about 90% compared to the traditional ...
Eliche Radice S.p.A.
Diameter: 14 in - 18 in
Pitch: 6 in - 25 in
Our propeller model RAPIDO is leading the innovation race in its field thanks to the special gearless patented mechanism. The strong pre-loaded spring inside the body offers unique characteristics and takes the feathering ...
EWOL Sailboat Propellers
... and with the latest generation “SWORD blades” that are efficient and silent. E3 Andromeda is a cutting-edge feathering propeller made by EWOL using high-resistance stainless steels. Like her larger sisters E3 ORION ...
EWOL Sailboat Propellers
... under difficult environmental conditions such as strong winds, limited spaces, rough seas, etc. EWOL Orion propeller, available for both the shaft line and the anti-shock device for Sail-Drive called ...
EWOL Sailboat Propellers
Diameter: 368 mm - 495 mm
Pitch: 18 mm - 24 mm
A simple and innovative solution of triple or four-blade propeller with gearless feathering. Under sail, the composite blades of the Kiwiprops orient themselves independently and freely like weather vanes in the water ...
Diameter: 394 mm - 521 mm
Pitch: 18 mm - 24 mm
A simple and innovative solution of triple or four-blade propeller with gearless feathering. Under sail, the composite blades of the Kiwiprops orient themselves independently and freely like weather vanes in the water ...
Our products combine the best aspects of ZF and of FH propellers. This is because both were a part of Masson-Marine at some point in their history. Our propellers are assembled in France or in China, ...
We design and build fixed pitch propellers and all their equipment. Here are the main dimensions of the available models. Please contact us for further information.
... propose you custom propellers made specially for your application. We can work on different materials: Manganese bronze, Aluminum bronze, Stainless steel, Aluminum ... We can also make hubs with splines. All custom ...
MAUCOUR FRANCE
Diameter: 305 mm - 508 mm
Pitch: 6 in - 16 in
The cruising sailors’ propeller. Its skewed sections are designed to reduce vibration. The HYDRASAIL offers a similar performance under power to a conventional 3 blades propeller, but due to its reduced ...
MAUCOUR FRANCE
Diameter: 305 mm - 610 mm
Pitch: 6 in - 17 in
The HYDRAPOISE 3.45 is ideal for low powered displacement workboats and auxiliary sail craft. The aerofoil sections are designed to give optimum performance and manoeuvrability. Manufactured from high tensile manganese bronze as standard, ...
MAUCOUR FRANCE
... vessels have one propeller, but there are those that use two, or rather rarely three or four propellers. Besides classic type propellers, there are also nozzle propellers, ...
SCAM-Marine d.o.o.
SCAM-Marine d.o.o.
SCAM-Marine d.o.o.
Diameter: 16 in - 17 in
Pitch: 10 in - 15 in
Reintroducing the Flexofold 2-Blade Racing Folding Propeller! Optimized for competitive and performance-driven sailors, this proven design is back - exclusively available in a 16’’ left-hand version with pitches ...
Flexofold ApS
Diameter: 15 in - 18 in
Pitch: 9 in - 16 in
Composite boat propellers - the new generation of folding propellers Taking advantage of modern composite materials, the Flexofold Composite boat propeller hub is not only immune to ...
Flexofold ApS
Diameter: 12 in - 20 in
Pitch: 6 in - 18 in
... gearing. Integrated and easily replaceable anodes on the propeller hub. Large shock absorbers for quiet opening of the propeller. Special innerhub to protect the saildrive and gearbox from the propeller ...
Flexofold ApS
Diameter: 13 in - 22 in
The Eco Power propeller for shaft line is available up to 250 horsepower and represents the evolution of the tried and tested J Prop Classica. Like the latter, it is designed with a symmetrical section ...
MARINE PROPELLER - JPROP
Diameter: 13 in - 22 in
... significantly higher performance in reverse, compared to conventional propellers, thanks to the automatic rotation of the blades of 180° The latest generation J Prop is the ideal propeller for sailing ...
MARINE PROPELLER - JPROP
Diameter: 13 in - 38 in
... self-adjusting variable pitch propeller The advantages of JPROP propellers are well known to all sailing enthusiasts: - The ability to vary the step; - The design of the blades, designed to minimize ...
MARINE PROPELLER - JPROP
Diameter: 300 mm - 2,000 mm
Our production of propellers for boats and yachts series is a range of 3-blade propellers, 4-blade propellers, 5-BLADES propellers, 6-blade propellers. ...
Italian Propellers S.r.l.
Diameter: 300 mm - 2,000 mm
Our production of propellers for boats and yachts series is a range of 3-blade propellers, 4-blade propellers, 5-BLADES propellers, 6-blade propellers. ...
Italian Propellers S.r.l.
Diameter: 300 mm - 2,000 mm
Our production of propellers for boats and yachts series is a range of 3-blade propellers, 4-blade propellers, 5-BLADES propellers, 6-blade propellers. ...
Italian Propellers S.r.l.
Diameter: 450 mm - 500 mm
Pitch: 450 mm - 500 mm
... surface perforated propellers Hydraulic and steering equipment The body i s made of all 316L anticorrosive stainless steel Indicators and sensors Double hydraulic cylinder Two kinds of adjustable movable and fixed ...
A top performer for many applications, the Enertia® propeller helps enhance speed and acceleration on a variety of midsize and large boats, including runabouts and pontoons.
Mercury Marine
Pitch: 10 mm - 23 mm
For good overall performance and value, the Black Diamond is your prop. While Black Diamond aluminum propellers are standard equipment on most boats with Mercury Mariner MerCruiser power, they are a perfect replacement ...
Quicksilver
HHI-EMD produces a wide variety of marine propellers with a diameter up to 11 meters and a maximum unit weight of 114 tons. The main materials are manganese bronze and nickelaluminum bronze. HHI-EMD employs a comprehensively ...
Pitch: 24 mm - 34 mm
... drives Performance vent system (PVS) Yes Recommended for Bravo One and Bravo One XR big-block sterndrives Propeller Rotation LH The Maximus Advantage Drop the Throttle The Maximus prop pairs with ...
Mercury Outboards
... Maximum thrust thanks to many years of experience in propeller design Efficient and silent due to modern design methods such as CFD IN DETAIL Precision performance The SCP allows the propeller ...
Diameter: 12 in - 18 in
... folding propeller types. Tests have shown that the efficiency of the 2-blade Gori Propeller in forward is better than most 2- and 3- blade feathering and folding propellers. In reverse, ...
Gori Propeller
Diameter: 18, 17, 16, 15, 14 in
Pitch: 9 in - 16 in
Three-blade fixed propellers designed for marine engines equipped with the Technodrive SP60 saildrive. Crafted from high-quality aluminum, these propellers are meticulously balanced both statically and ...
Diameter: 4,350 mm - 7,000 mm
... margins of strength An optimal propeller for any application Flexibility for efficiently covering all propulsion power requirements of MAN’s engine programs – and for CPPs in particular, the focus is the shaft ...
The four-blade propeller features the same strength and durability as the three-blade propeller. Four blades provide increased torque for heavy loads and maneuverability together with great stern lifting ...
Diameter: 330 mm - 430 mm
Propellers Diameters 330mm to 430mm or 13″ to 17″ Shaft Diameters 22mm to 30mm or 7/8″ to 1.25″ Power For engine up to 40hp
Bruntons Propellers
... comfort ZF offers a large range of fixed pitch propellers for applications in all types of pleasure boats and commercial vessels, which can be tailored according to customer needs. Fixed pitch propellers ...
Diameter: 110 mm - 450 mm
Code Model Diameter 313810CT300 300 35030CT35 / 45 110 35033CT325 ...
... profile for a minimum drag in closed position. Geared blades for simultaneous closure. We do not manufacture folding propellers for saildrives.
FRANCE HELICES
The propeller is a cast element consisting of a set of blades around a central hub and designed to transform an engine's rotary motion into propulsion. It usually has two to seven blades and a diameter ranging from a few centimeters to several meters on large ships.
ApplicationsAll vessel propulsion systems other than hydrojets are equipped with a propeller. This includes drive shaft, pod and other configurations. There are propellers for every type of motor, from the tiniest outboard to those powering supertankers.
TechnologiesThe rotating propeller creates a pressure differential between the forward and aft faces of the blades, sucking water toward itself and pushing it astern, driving the vessel by hydrodynamic thrust. Its primary characteristics are the diameter, the number of blades and their pitch, rake (angle fore or aft with respect to the hub) and cup, or tip curvature.
Some models have folding blades to reduce drag on sailboats. On variable-pitch versions, blade angle of attack changes with boat speed to optimize torque, increasing efficiency and reducing fuel consumption. Certain twin-screw vessels with powerful engines have propellers which rotate in opposite directions.
Choice of propeller will depend on motor type, power, rotational speed and gearing type and ratio. The central axis can be machined as a conical cavity for propeller shafts and outboards or as a crenelated cavity for pods and similar drives. Power transmission type and dimensions are the determining factors.
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