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TYPE UNIFLEX
Exact alignment and the concentric installation of a propeller shaft in a boat are always delicate and misalignment after setting with water remains always possible. Flexible coupling VETUS Uniflex solves this problem. Independently of the characteristics of flexible couplings described low, Uniflex coupling has the 2 following advantages: centering is ensured and misalignment can reach 2 degrees. This coupling is appropriate for the engines assembled on silentblocs and equipped with a flexible stuffing box. Installed under an angle of 2° the maximum mode on the tree will not have to exceed 1500 t/mn.
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Standard flexible coupling 6 has a conical hub with concentric tightening guaranteeing the perfect concentric tightening of the tree without machining. From where time-savings.
TYPE 6: hole of centering 20 mm or cylindrical boring and keyslot for tree 0 25,30,35 Misters With connections 4 " and 5 " for, inter alia, Hurth, Velvet, TD, ZF and PRM.
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TYPE BULLFLEX
Flexible coupling "BULLFLEX" brings a greater flexibility between the engine and the line of trees. New flexible coupling "BULLFLEX" was especially conceived to ensure a better filtration of the vibrations. The vibrations of the couple due to a change of mode engine or an operation with too low mode are filtered by these flexible rubber supports. The alleged rubber elements allow a quiet connection and without vibrations between the engine and the line of trees. Coupling BULLFLEX is reinforced against shearing in the pin and the 2 directions of rotation, in order to ensure an optimal connection in all circumstances.
Another strong point of the BULLFLEX is excel it alignment of the line of trees. On the basis of the principle that a perfect alignment of the engine and line of trees are often a tedious operation, coupling "BULLFLEX" will make an easy operation of it.
Even with a variation of alignment of 2°, the line of trees will be centered perfectly on the oil cake of coupling of the reverser. Because of the mode of tightening of the hub, the tree will be always well centered in flexible coupling and the assembly and, more important, uncoupling become a simple tèche. The line of trees does not need an expensive machining: cross to the length, trim and assemble; it is all.
Standard couplings BULLFLEX 1,2 and 4 have connections 4 " for the reverser. Models 8 and 16 have connections 4 and 5 ". Model 32 is provided with 6 tapped holes M16 on a circle of diameter 120,65. This allows the assembly of the BULLFLEX on the majority of models HURTH, VELVET, TD, ZF and PRM.
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The Evolution Flexible Shaft Coupling (EFSC) solves misalignment, absorbs and dampens shock loads and shaft vibrations, prolongs the life of machinery, and isolates metal-to-metal for quietness.
The EFSC is comprised of four major components: 1) a spool flange machined to bolt directly to the reduction flange; 2) a large circular rubber flex joint that's replaceable; 3) a split flange coupling for the shaft with pinch bolts, set bolts, and keyway; 4) a retainer cover that serves to protect the rubber flex joint, capture all bolts, and improve overall strength of the unit.
The Evolution Flexible Shaft Coupling uses quality construction and few parts and is easily installed.
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Bollinger Shipyard's Machine/Hydraulic Shops are full service machining facilities with line boring capabilities. They are equipped with computer controlled technology in the manufacture, repair and reconditioning of propeller shafts, stern tubes, bow and stern thrusters, chemical pumps, rudders and other underwater gear. Bollinger has five ABS approved welding procedures used in the manufacturing and repair of shafts.
Bollinger's Quick Repair machine shop outside of New Orleans, LA USA, covers over 32,000 sq. ft. and is among the largest and best equipped machine shops in the nation. It features lathes swinging 32" over the carriage, and 52' between centers and vertical and horizontal boring mills with capacities up to 18'2" in diameter.
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For use with less powerful engines, VETUS have designed and developed a shaft assembly - with shaft diameters of 0 25 mm and G 30 mm - which can be installed with a minimum of fuss. Machining, threading and keyway cutting have all been taken care of by VETUS. In addition, these shaft assemblies protect the environment lubrication is ensured by means of raw water, without use of grease or oil. The stern tube is provided with a dual shaft seal, eliminating the need for a stuffing box. These propeller shaft assemblies feature a propeller nut with integrated zinc anode
as standard supply
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AVAILABLE DIAMETERS FROM DIAM. 3/4" TO DIAM. 8", ALL LENGHTS AVAILABLE UP TO 12 CM, ALL SURVEYS BUREAU VERITAS, LLOYD'S REGISTER, ..
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The Evolution Marine Shaft System (EMSS) is a complete shaft system from engine to propeller. It's comprised of two major components: 1) the "oil-lubricated section" containing a '22' alloy stainless steel shaft enclosed in a 316L stainless steel shaft log tube with aft bearing housing and forward thrust bearing housing, and 2) the internal connecting shaft with a splined slip joint and flexible joints at each end.
Other system components include the engine adapter, mounting flanges, and monitor tank with its fittings and hoses.
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The main problem in the design phase of a shaft is to confer minimum vibration and enough mechanical strength to ensure the safety of the system in any condition.
The propeller shaft, which is developed in a single dimension, is subject to torsion even at high rpm, and it is here that our company demonstrates its technological potential.
We make shafts on NC lathes that, in the bigger diameters, allow for the best degree of precision.
This translates into a perfect response to design data and the final product delivered to the client. Perfectly aligned shafts are an indispensable condition for a low level of vibration and the longevity of the installation.
Our production of propeller shafts includes a range from 25 to 205 mm diameter and over 7 m in length. We use AISI 304, AISI 316, V174, and MARINOX 25 stainless steel.
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If your yacht is fitted with a hydraulic gearbox and the propeller continues to rotate when under sail with the engine turned off, it is likely that the gearbox will not be sufficiently lubricated. Autolock has been developed to solve this problem and provides the following significant advantages:-
- Stops prop rotation when sailing.
- Reduces gearbox wear.
- Reduces prop drag.
- Stops cruising prop noise.
- Manufactured from stainless steel and other non-corrosive materials.
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The SCHOTTEL Pump-Jet (SPJ) operates on the principle of a centrifugal pump. An impeller sucks in water from under the hull and forces it into a pump housing. The outlet nozzles are fitted in the bottom plate, making it possible for the jet to be installed in a flat-bottomed hull too.
With a compact design, low loss of buoyancy and low suction effect, Pump-Jets with power ratings up to 3500 kW develop a high thrust even in extremely shallow water and over a wide speed range. Like all SCHOTTEL products, they are distinguished by their excellent manoeuvring properties - as propulsion units for inland and coasting vessels or as independent manoeuvring and standby systems for seagoing ships.
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The SCHOTTEL Navigator (NAV) can readily be installed as a complete, self-contained propulsion package on virtually any watercraft. Its main components are the chassis, engine or motor, clutch, cardan shaft and Rudderpropeller.
SCHOTTEL Navigators are highly flexible, easy-to-maintain propulsion systems for vessels of simple design.
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Intermittent operation with large variations in engine speed and power
Average engine operating
hours limit: 2500 hours/year
(for hydraulic gearboxes smaller than the ZF 2000 series, 2000 hours/year).
Typical hull forms: Planing and semi-displacement.
Typical applications: Private and charter, sport/leisure activities, naval and police activities.
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* Reverse reduction TWO SPEED transmission equipped with electric shift from first to second speed. .
* Suitable for high performance applications in luxury motoryachts, sport fishers, express cruisers and light duty applications. .
* Fully works tested, reliable and simple to install .
* Design, manufacture and quality control standards comply with ISO 9001 .
* Compatible with all types of engines and propulsion systems, including waterjets and surface- piercing propellers, as applicable .
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This "Sail Drive" is deliverable for all marine engines VETUS up to 80 CV included. There is the choice between two ratios of drive unit, are 2.49: 1 or 2.23: 1. The case is exactly the same one for the two versions (see like example the drawing of installation of the M4.17 engine). There is no difference either as for the ratios in drive unit before or back. This can be advantageous in the case of a twin-engine application, as in a catamaran, with a left propeller rotation and the other line. Another advantage of this SaiIDrive is that it can be provided with the section under water in transferred position 180°. This allows and facilitates an installation engine very compact drive unit, with the back of the boat.
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A 360° rotating hydraulic drive for sailing boats, motorized sloops, etc.
Incredible manoeuvrability (360° rotating drive annex propeller!)
No rudder required
No propeller shaft required
Quick and easy assembly
No gearbox
The engine may be positioned in any convenient place
Suitable for diesel engines of up to 30kW (40 hp)
The WillDo Rotadrive has been designed with a view to simplicity in use, optimal manoeuvrability and a minimum amount of moving components. In order to accomplish this, we have selected a hydraulic drive. The assembly consists of four main components:
1. A hydraulic pump, connected to the diesel engine which is permenantly rotating, as long as the engine is running. The flow of the hydraulic pump is controlled by changing the number of revolutions of the engine.
2. The connection between the hydraulic pump and the Rotadrive is made by means of three flexible tubes of 25, 20 and 14 mm diameter, respectively.
3. The Rotadrive is equipped with an integrated tank or, if preferred without a tank. In that case the seperate hydraulic tank could be installed in any convenient place and position.
4. The Rotadrive is controlled with the help of a touchscreen on which a windrose is projected. By means of the throttle and the good old steering wheel all control directives are transmitted to the Rotadrive and the diesel engine.
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Handle the Biggest Boats with Authority.
Twin applications up to 55 mph for gas engines up to 450 hp
The unique Bravo Two drive has an unmatched ability to maximize lift and thrust for cruisers and houseboats without breaking a sweat. Due to the girth of the gearcase, Bravo Two is capable of accommodating a huge 20-inch diameter prop with deeper gear ratios. This allows the Bravo Two to deliver high thrust around the dock, a quick time to plane and improved fuel economy putting you in control.
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The Most Popular Sterndrive in the World.
Single or twin applications up to 65 mph for gas engines up to 300 hp
The Alpha® sterndrive earned the title of “world’s most popular sterndrive” because it delivers reliable performance in a value package. Reliable performance means more family fun year after year without missing a beat. Alpha drives slice through the water with an efficient hydrodynamic profile producing very little drag. And because of the Alpha drive’s many maintenance-free features – you’ll enjoy a worry-free ownership experience.
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The Alpha® sterndrive earned the title of “world’s most popular sterndrive” because it delivers reliable performance in a value package. Reliable performance means more family fun year after year without missing a beat. Alpha drives slice through the water with an efficient hydrodynamic profile producing very little drag. And because of the Alpha drive’s many maintenance-free features – you’ll enjoy a worry-free ownership experience.
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Great Performance Starts with Heart. Bravo!
Single, twin, triple applications over 100 mph for gas engines up to 600 hp
If ever there were a reason to stand up and cheer, the Bravo One best-in-class performance is a great place to start. It can deliver boat speeds beyond the triple-digit mark thanks to its exclusive performance torpedo design and dual water pickups. Its handling at low and high speeds is exceptional. Everything about the Bravo One says high performance with sophistication, demonstrated by its best-in-class shifting. Yet underneath is a set of precision machinery just waiting to unleash spine-tingling torque.
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The Arneson Surface Drives are among the most efficient marine propulsion systems in the world. Their surface-piercing propeller design reduces underwater drag by 50% compared to conventional submerged propeller drive systems. The only surfaces to contact the water are propeller blades and a protective skeg. This results in higher overall speed, quicker acceleration, and a better payload to power ratio... AND... 50% less drag significantly improves fuel economy while lowering operating costs.
For work, pleasure, gas, diesel, or turbine power systems capable of torque outputs exceeding 30,000 ft. pounds, the Arneson Surface Drives come in ten model sizes and various configurations for each model. Available in, Aluminum or bronze castings, straight or drop-center models, 12 or 24 volt compatible systems, plus the new Arneson Dual-Fin surface drives available in the ASD8 and ASD10 models.
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Arneson Surface Drives, all model sizes and configurations for applications from 100 HP to over 4,000 HP.
Arneson Surface Drives come in ten different sizes and several different configurations for high performance diesel applications such as Military Patrol Boats, Commercial applications such as Fishing and Work Boats to Performance Yachts such as Magnum, Baia, Pershing, Sunseeker and others.
Arneson Surface Drives are configured for Gasoline applications also for both single engine and multi engine applications for V hulls as well as Catamaran hulls.
In need of Arneson Surface Drive replacement parts? Arneson Industries LLC also carries replacement parts and accessories for all Arneson Surface Drive Models direct to OEM’s, Dealers, Manufacturers and to the general public world wide.
Contact us for your Arneson Surface Drive needs: info@arneson-industries.com
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SURFACE DRIVE SYSTEM IS A COMPLETE PROPULSION PACKAGE INCLUDING DRIVES, PROPELLERS, HYDRAULICS AND STEERING EQUIPMENT, EMERGENCY SYSTEM, CARDAN SHAFT, COUPLING FLANGE, INDICATORS AND SENSORS.
WITH PERFORMANCE, RELIABILITY, LOW MAINTENANCE COST.
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MTU is one of the world's leading manufacturers of drive and power generation systems for watercraft: MTU engines are used on all the world's oceans and in all marine areas.
Custom-tailored automation systems developed and produced in-house by MTU control and monitor the drive technology.
This ensures that our drive systems are optimally tuned and guarantee flawless operation - so they can guarantee you safety, efficiency, and reliability.
MTU always offers you a complete system tailored individually to your ship and extensive service - all from one source
- Everything from one source
- Safety and optimal drive behavior - completely automatic
- The Scope of Supply
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Trimax surface drives are simple, reliable and extremely efficient because they are fully integrated within a specially designed hull form. ZF Trimax provides drawings and technical assistance to carry out modifications to the stern section of standard standard hull forms.
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Boat drive units
