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A boat propeller shaft, particularly for inboard systems, is a critical component designed to transmit power from the engine to the propeller, facilitating the propulsion of the boat. The propeller shaft passes through the hull via a stuffing box or seal, which prevents water entry while allowing the shaft to rotate freely. This setup is crucial for efficient boat operation, ensuring that the propeller receives the engine's power without any significant power loss, thus maintaining optimal performance and fuel efficiency in marine vessels.
1-2 weeks delivery time Price incl. 19% VAT The CV joint in the Python-Drive kit P30-R for shafts with a diameter of 19 to 30 mm, a maximum torque of 30 Kgm (294 Nm), a maximum stop of 4.3 kN. For 50 hp (3000 RPM) engines with a 2.5: 1 gearbox. Coupling diameter 100 mm, length 145, 165 or 195 mm (choice)
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1-2 weeks delivery time Price incl. 19% VAT The CV joint in the Python-Drive kit P200-W for shafts with a diameter of 50 to 60 mm, a maximum torque of 200 Kgm (1960 Nm), a maximum stop of 30 kN. For 200 hp (2200 RPM) engines with a 3:1 gearbox. Coupling diameter 148 mm, coupling length 225 mm (choice)
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Our managers will contact you and clarify the terms of the order
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1-2 weeks delivery time Price incl. 19% VAT The CV joint in the Python-Drive kit P200-T for shafts with a diameter of 40 to 60 mm, a maximum torque of 200 Kgm (1960 Nm), a maximum stop of 18 kN. For 250 hp (2400 RPM) engines with a 2.5: 1 gearbox. Coupling diameter 148 mm, coupling length 225 mm (choice)
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Our managers will contact you and clarify the terms of the order
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1-2 weeks delivery time Price incl. 19% VAT The CV joint in the Python-Drive kit P200-Q for shafts with a diameter of 45 to 60 mm, a maximum torque of 200 Kgm (1960 Nm), a maximum stop of 22 kN. For 200 hp (2200 RPM) engines with a 3:1 gearbox. Coupling diameter 148 mm, coupling length 225 mm (choice)
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Our managers will contact you and clarify the terms of the order
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1-2 weeks delivery time Price incl. 19% VAT The CV joint in the Python-Drive kit P140-T for shafts with a diameter of 40 to 55 mm, a maximum torque of 140 Kgm (1370 Nm), a maximum stop of 18 kN. For 160 hp (2500 RPM) engines with a 3:1 gearbox. Coupling diameter 128 mm, coupling length 180 or 225 mm (choice)
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1-2 weeks delivery time Price incl. 19% VAT The CV joint in the Python-Drive kit P110-T for shafts with a diameter of 35 to 50 mm, a maximum torque of 110 Kgm (1080 Nm), a maximum stop of 18 kN. For 175 hp (2400 RPM) engines with a 2:1 gearbox. Coupling diameter 108 mm, coupling length 180 or 225 mm (choice)
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1-2 weeks delivery time Price incl. 19% VAT The CV joint in the Python-Drive kit P110-S for shafts with a diameter of 35 to 45 mm, a maximum torque of 110 Kgm (1080 Nm), a maximum stop of 12 kN. For 135 hp (2800 RPM) engines with a 3:1 gearbox. Coupling diameter 108 mm, coupling length 180 or 225 mm (choice)
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1-2 weeks delivery time Price incl. 19% VAT Essential stern gland sealing solution, designed specifically for marine applications. Crafted from 100% pure, asbestos-free Rameh fibres, this packing seal ensures optimum performance and longevity. It's lightly lubricated with premium-quality grease using the established Diaplex method. Rameh's inherent properties make it stand out: it retains elasticity, is straightforward to install, possesses solid volume, offers minimal friction, and promises an extended lifespan. Sold by the meter, with the length of the side of the square in the section being indicated as size A.
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€ 13,66
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1-2 weeks delivery time Price incl. 19% VAT Don't know how to get stuffed stuffing? Ramen makes a special device for this. Specified packing size in mm (length of square side).
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€ 63,23
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1-2 weeks delivery time Price incl. 19% VAT The propeller shaft key should be reliable and hold the screw with high quality. This key will be the most correct option, because it is made of stainless steel of the highest quality, and it has nothing to do with sea water. Only quality products for your propellers.
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€ 10,43
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1-2 weeks delivery time Price incl. 19% VAT TOR Marine VTR propeller shaft bracket. These brackets are made of bronze. Each model comes complete with bearing grease. A great advantage of these brackets is that they can be set at any angle and at different heights. Thus, you will achieve maximum accuracy when placing. All dimensions in millimeters.
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€ 357,84
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1-2 weeks delivery time Price incl. 19% VAT Pre-screw cutter. It is necessary to take into account the number of knives under the blades of the screw. 2 blades 2 and 3 blades, 3 blades - 3 and 5 blades, 4 blades - 4 blades. Used to protect the screw from networks, wire, packets, etc.
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€ 793,58
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Item:
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1-2 weeks delivery time Price incl. 19% VAT The pre-screw cutter can be installed without removing the screw. Used to protect the screw from networks, wire, packets, etc. The shaft diameter is specified.
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€ 189
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1-2 weeks delivery time Price incl. 19% VAT Zinc anode to protect your propeller shaft. If the vessel is used mainly in salt water, this will be the best means to keep the propeller shaft intact. Take care of your yacht.
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€ 11,15
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1-2 weeks delivery time Price incl. 19% VAT This propeller shaft tip is equipped with a zinc anode, and it itself is made of brass. The best protection for your propeller shaft that does not give in to corrosion. It will last a very long time and will not cause any problems. The best solutions for your vessel.
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€ 47,52
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1-2 weeks delivery time Price incl. 19% VAT The most reliable final element of the propeller shaft. This terminal is made of C45 sea steel. This material will last for many years, is not susceptible to corrosion and other troubles that may arise with metals with salty water. The best products for your yacht.
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€ 20,03
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1-2 weeks delivery time Price incl. 19% VAT The Hollex deadwood tube seal is used with water lubrication of the cardan shaft. It overlaps the axes in the longitudinal direction of the shaft. Sliding ring has polished surface. The combination of stainless steel with carbon will provide an ideal fit. The low coefficient of friction makes the structure durable. The best products from Europe for your ship.
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€ 748,69
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1-2 weeks delivery time Price incl. 19% VAT The Hollex 2V propeller shaft seal is made of bronze.
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€ 353,28
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1-2 weeks delivery time Price incl. 19% VAT Any system must be completed, which is why choosing a high-quality endgame for a propeller shaft is a task that should be treated with pedantry. The Hollex endgame is made of bronze and will best serve you for many years. Purchase only quality products.
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€ 32,28
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1-2 weeks delivery time Price incl. 19% VAT The Hollex 1V propeller shaft seal is made of bronze.
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€ 208,56
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How does the material of an inboard boat propeller shaft impact its performance and longevity?
The material of an inboard boat propeller shaft significantly influences both its performance and longevity. Typically crafted from stainless steel or sometimes bronze, these materials are chosen for their strength, resistance to corrosion, and ability to withstand the harsh marine environment. Stainless steel shafts, for example, offer excellent toughness and resistance to pitting and crevice corrosion, crucial for maintaining the integrity and efficiency of the marine propeller shaft over time. The durability of these materials ensures that the shaft can handle the mechanical stresses of transmitting power from the engine to the propeller without deforming or failing, thereby providing reliable performance and reducing the need for frequent replacements.
What are the common types of bearings used with marine propeller shafts to ensure smooth operation?
Common types of bearings used with marine propeller shafts include cutlass bearings and roller bearings. Cutlass bearings, made from durable rubber and sometimes embedded with brass or other metals, are particularly favored for their ability to handle the high loads and abrasive conditions typical in the marine environment. These bearings ensure smooth operation by allowing the boat propeller shaft to rotate freely while minimizing friction and wear. Roller bearings, although less common in marine settings due to their susceptibility to corrosion, may also be used in some inboard boat propeller shaft designs where sealed units can protect against water ingress, offering efficient rotational performance and reliability.
What maintenance practices are essential for ensuring the longevity of marine propeller shafts?
Regular maintenance is crucial to ensure the longevity of marine propeller shafts. Key practices include frequent inspections for signs of wear or corrosion, particularly on inboard boat propeller shafts which are constantly exposed to marine elements. Lubrication of the shaft and its bearings is also essential to reduce friction and prevent overheating during operation. Additionally, it's important to check the alignment of the shaft periodically to ensure it has not shifted, as improper alignment can lead to uneven wear and potential damage to both the shaft and associated components, thereby maintaining optimal performance of the boat propeller shaft.