A boat propeller is a crucial component in the propulsion system of a boat, responsible for converting the engine's rotational power into forward or backward thrust. They come in various sizes and styles, each designed to match specific boat types and performance needs. The design of the propeller affects the boat's speed, handling, and fuel efficiency, making its selection important for optimal boat performance. In our online shop, we stock a variety of options to match your boat's specifications. Ensure you choose the right hub and bearing for a smooth fit and operation, whether you need a right-hand (RH) prop or another configuration. Our knowledgeable customer support team is ready to assist you in finding the perfect propeller to enhance your boat's performance and reliability.
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1-2 weeks delivery time The Michigan Power PL375 3-Blade Propeller DAR 75% is designed for high-speed vessels, providing excellent thrust and fuel efficiency. With a 75% disk area ratio (DAR), it offers optimal performance with relatively smaller diameters, ideal for high-capacity vessels. Built from high-strength manganese bronze and nickel aluminum bronze, it ensures superior durability and corrosion resistance. Perfect for powerboats and high-performance watercraft.
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$ 4,758.66
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1-2 weeks delivery time The Michigan Power PL375 3-Blade Propeller DAR 75% is designed for high-speed vessels, providing excellent thrust and fuel efficiency. With a 75% disk area ratio (DAR), it offers optimal performance while maintaining a compact design. This propeller is built from manganese bronze and nickel aluminum bronze for exceptional durability and corrosion resistance, making it ideal for high-capacity watercraft in harsh marine environments.
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$ 5,810.30
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1-2 weeks delivery time The Michigan Power PL485 4-Blade Propeller DAR 85% is designed for high-speed vessels, offering superior thrust and fuel efficiency. With an 85% disk area ratio (DAR), it provides excellent performance in small diameter propellers, ideal for high-capacity applications. Constructed from manganese bronze and nickel aluminum bronze, this propeller ensures durability, resistance to corrosion, and optimal performance in demanding marine conditions.
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$ 1,715.35
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1-2 weeks delivery time The Michigan Power PL485 4-Blade Propeller DAR 85% is designed for high-speed vessels, offering excellent thrust and power efficiency. Featuring an 85% disk area ratio (DAR), it is perfect for applications with relatively small screw diameters and high capacities. Constructed from durable materials, including manganese bronze and nickel aluminum bronze, this propeller ensures a long lifespan and optimal performance in demanding conditions.
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$ 2,688.42
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1-2 weeks delivery time The Michigan Power PL485 4-Blade Propeller DAR 85% is designed for high-speed vessels requiring excellent thrust and power efficiency. With an 85% disk area ratio (DAR), this propeller is perfect for applications with relatively small screw diameters and high capacities. Crafted from durable materials like manganese bronze and nickel aluminum bronze, it ensures long-lasting durability and optimal performance even in demanding conditions.
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$ 6,154.55
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1-2 weeks delivery time The Michigan Power PL485 4-Blade Propeller DAR 85% is designed for high-speed vessels requiring excellent thrust and power efficiency. With an 85% disk area ratio (DAR), this propeller is perfect for applications with relatively small screw diameters and high capacities. Crafted from durable materials like manganese bronze and nickel aluminum bronze, it ensures long-lasting durability and optimal performance under demanding conditions.
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$ 8,052.32
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1-2 weeks delivery time The Michigan Power PL506 5-Blade Propeller DAR 106% is designed for high-performance vessels requiring maximum thrust and efficiency. With a 106% disk area ratio (DAR), it delivers superior propulsion in a compact size. The 5-blade design ensures smooth operation, reduced cavitation, and improved fuel efficiency. Constructed from manganese bronze and nickel aluminum bronze, this propeller is built for durability, providing long-term performance in harsh marine environments.
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$ 3,644.70
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1-2 weeks delivery time The Michigan Power PL506 5-Blade Propeller DAR 106% is designed for high-performance vessels requiring superior thrust and efficiency. With a 106% disk area ratio (DAR), it ensures maximum propulsion while maintaining compact diameters. The 5-blade configuration offers smooth operation, reduced cavitation, and improved fuel efficiency. Made from manganese bronze and nickel aluminum bronze, this propeller is highly durable, providing long-lasting performance in challenging marine conditions.
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$ 6,823.23
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1-2 weeks delivery time The Michigan Power PL592 5-Blade Propeller DAR 92% is engineered for high-performance vessels that require enhanced efficiency and optimal thrust. With a 92% disk area ratio (DAR), this propeller provides maximum thrust while maintaining compact size and smooth operation. The 5-blade design ensures reduced vibration, better cavitation resistance, and higher thrust, making it perfect for high-speed and high-capacity applications. Made from manganese bronze and nickel aluminum bronze, this propeller offers excellent durability and corrosion resistance, ensuring long-term performance in harsh marine conditions.
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$ 3,273.53
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1-2 weeks delivery time The Michigan Power PL592 5-Blade Propeller DAR 92% is engineered for high-performance vessels that require enhanced efficiency and optimal thrust. With a 92% disk area ratio (DAR), this propeller provides maximum thrust while maintaining compact size and smooth operation. The 5-blade design ensures reduced vibration, better cavitation resistance, and higher thrust, making it perfect for high-speed and high-capacity applications. Made from manganese bronze and nickel aluminum bronze, this propeller offers excellent durability and corrosion resistance, ensuring long-term performance in harsh marine conditions.
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$ 6,341.92
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1-2 weeks delivery time The Michigan Dyna-Jet Propeller 3 Blade is a classic line of high-performance pleasure boat propellers, renowned for their outstanding speed and performance. Ideal for moderate-size boats up to 40', the Dyna-Jet series offers unparalleled performance, whether you're navigating hard-working fishing boats or seeking maximum speed for your pleasure craft. The propellers are constructed using Michalloy-K Bronze and Michalloy-X Nibral for durability, with a cupped trailing edge available to maximize thrust and minimize cavitation vibration.
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1-2 weeks delivery time The Michigan MMP Saildrive SD Propeller 2-Blade is a high-quality aftermarket propeller designed for Volvo Saildrives 110S, 120S, 130S, 150S, and Yanmar Saildrives. Made from LM-5 alloy with high corrosion resistance, this propeller is built to last and withstand harsh marine environments. It features a Duro-75 Rubber Hub to protect the geartrain and is finished with a 9003 etch primer and matt powder coating for extra durability. This propeller is a direct replacement for OEM and aftermarket Saildrive propellers, ensuring superior performance and reliability.
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$ 635.08
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1-2 weeks delivery time The Michigan MMP Saildrive SD Propeller 3-Blade is an aftermarket high-performance propeller designed for Volvo Saildrives (110S, 120S, 130S, 150S) and compatible Yanmar Saildrives. Made from LM-5 alloy with high corrosion resistance, this propeller is built to last in harsh marine conditions. Featuring a Duro-75 Rubber Hub to protect the geartrain, it comes with a 9003 etch primer and matt powder coating for added durability. This is a direct replacement for OEM and aftermarket Saildrive propellers, offering superior quality and reliability.
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$ 720
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1-2 weeks delivery time The Flexofold FP-2B and FP-3B folding propellers are designed for sailing yachts, offering exceptional performance with minimal drag under sail. Available in 2-blade and 3-blade configurations, these folding propellers are made from high-quality alloys of nickel, bronze, aluminum, and copper, providing outstanding anti-corrosion properties. Known for their smooth, quiet operation, these propellers are an excellent choice for yachts with Saildrive systems (Volvo and Yanmar) and standard shafts. They deliver excellent efficiency, reliability, and ease of maintenance.
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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 The Variprop variable pitch propellers, available in 2, 3, and 4-blade configurations, are designed for cruising yachts with a power range of 6-100 kW. Made from a durable alloy of nickel, aluminum, and bronze (Ni.Al.Br.), these propellers provide excellent maneuverability, smooth travel, and low resistance, making them ideal for both sailing and motoring. The 3-blade version is the standard propeller for many sailing ships, known for its stability, especially in challenging sea conditions.
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1-2 weeks delivery time The Vari-Fold folding propeller is engineered for low resistance and high performance, offering a unique design that reduces drag when not in use. This folding propeller, available in 2, 3, and 4-blade configurations, folds like a mollusk shell, minimizing drag to provide up to 1 knot faster speeds compared to conventional fixed pitch propellers. It is ideal for yachts and vessels with shafts or Saildrive systems.
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1-2 weeks delivery time The Max-Prop Easy Whisper is a variable pitch propeller designed for high performance with extremely low resistance, providing minimal vibrations and maximum efficiency. Available in 2, 3, 4, and 5-blade configurations, this propeller is offered in diameters ranging from 12" to 31" and is suitable for 1" to 2" diameter shafts, as well as Saildrive systems. Its adjustable 2-degree pitch ensures optimal power and balance, making it an excellent choice for sailboats.
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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 The MG Duff Multifit Zinc Anodes are designed to provide sacrificial corrosion protection for Max Prop propeller hubs in three-blade configurations. Manufactured from zinc, the range includes three models for hub sizes Ø63, Ø70 and Ø83 mm. The anodes feature a round shape and differ in their dimensional specifications: CMMP63RZ (A: 60 mm, D: 43.3 mm), CMMP70RZ (A: 68 mm, D: 50.2 mm) and CMMP83RZ (A: 80 mm, D: 56.3 mm). Each model is supplied individually. Select the appropriate anode according to the Max Prop hub size and specified dimensions.
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$ 37.59
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1-2 weeks delivery time The SPW DF107-ALUM Aluminium Screw Anode is designed for the Variprop DF107 propeller hub. Manufactured from aluminium, this sacrificial anode helps protect the propeller hub against galvanic corrosion in marine environments. It is intended for use as a replacement anode on compatible Variprop DF107 installations. Manufacturer part number DF107-ALUM, EAN 8720193061009. Supplied individually.
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$ 78.19
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1-2 weeks delivery time The SPW VF70-ANODE Zinc Ring Anode is designed for the VF70 SD to provide sacrificial corrosion protection for metal components. Manufactured from zinc, it features a ring-shaped construction and helps protect equipment against corrosion in marine applications. The anode is intended for use with the VF70 SD and can be identified by manufacturer part number VF70-ANODE and EAN 8720193006307. Supplied individually.
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$ 91.58
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What are the differences between inboard and outboard boat propellers?
Inboard and outboard boat propellers differ primarily in their placement and integration with the boat's engine. Inboard propellers are part of a system where the engine is mounted inside the boat, driving the propeller through a shaft that extends to the hull's exterior. This setup is commonly used in larger boats and offers better protection for the propeller. Outboard propellers, on the other hand, are attached to an outboard motor, which is mounted externally on the stern of the boat. This arrangement provides easier access for maintenance and replacement, and is typical for smaller boats and sailing vessels. Additionally, inboard propellers often require a more complex and protected installation, while outboard setups allow for greater flexibility and ease of handling.
When searching for boat props, it's important to find the right propeller for your boat to ensure optimal performance. We offer a wide range of boat propellers for sale, including performance propellers, sterndrive, and general propeller-GP models. Our inventory includes PowerTech propellers and custom inboard propellers, perfect for ski and wake boats. Our expert team can help you with any custom inboard propeller needs and provide replacement boat propellers. We strive to offer one of the largest selections of boat props at the lowest prices. Whether you're dealing with a bent prop shaft or need a duo blade powertech prop, we aim to provide consistent quality and fuel economy.
How do the materials used in inboard boat props and shaft affect their performance and durability?
The materials used in boat propellers significantly influence their performance and durability. Bronze propellers, commonly used in many inboard applications, offer excellent corrosion resistance and durability, making them suitable for long-term use in saltwater environments. Stainless steel propellers, on the other hand, provide a stronger alternative with greater impact resistance and less flex under load, enhancing performance by maintaining more precise blade shape at higher speeds.
Both materials ensure that the propellers can withstand the harsh marine environment while supporting the specific performance requirements of different types of boats, from sailing vessels to motor-driven crafts.
What is the impact of inboard propellers blade count on a boat’s maneuverability and thrust?
The number of blades on a boat propeller plays a crucial role in determining the boat's maneuverability and thrust. Generally, a propeller with more blades, such as a four or five-blade propeller, provides smoother operation and better traction in the water, which enhances maneuverability at lower speeds and in tight conditions. Fewer blades, like those on a three-blade propeller, typically generate greater top speed and are more efficient, making them ideal for faster inboard and outboard boats. The choice of blade count should align with the boat's intended use and performance goals, whether it's for leisurely sailing or high-speed boating, ensuring optimal propulsion and handling characteristics.
Find the ideal setup for your boating style in our complete range of Outboard Propellers.
What are the basics of inboard boat propellers and how do they differ from other types?
| Aspect | Inboard Propeller System | Other Propulsion Types (Outboard, Sterndrive) |
|---|---|---|
| Engine Location | Mounted centrally inside the hull, forward of the transom. | Engine or drive unit is attached to or through the transom. |
| Propeller Drive | Fixed propeller shaft connected directly to the transmission. | Propeller is on a vertical driveshaft or integrated lower unit. |
| Steering Mechanism | Rudder directs water flow from the propeller for directional change. | The entire motor or drive unit swivels to change thrust vector. |
| Efficiency & Vibration | Long, straight shaft alignment promotes smooth, efficient power transfer. | Universal joints or gears in lower units can absorb more energy. |
| Typical Hull Suitability | Common on larger sailboats, trawlers, cruisers, and workboats. | Dominant on smaller recreational powerboats and runabouts. |
How does choosing between a 3-blade and 4-blade propeller affect performance and fuel efficiency?
A 3 blade propeller often provides a slight edge in top speed and maximum efficiency for lightweight, faster hulls. In contrast, a 4 blade propeller typically offers superior low-speed thrust, smoother operation, and better cruise efficiency for heavier vessels, trading a bit of peak speed for improved grip and handling.
What do diameter and pitch mean when selecting the right inboard propeller?
Diameter is the circle described by the blade tips, governing thrust and load capacity. Pitch is the theoretical forward travel per revolution, dictating speed and engine load.
Together, they define the right prop for your engine and hull:
- A larger diameter increases low-end thrust.
- More pitch allows higher potential speed.
- Incorrect combinations cause over or under-revving.
How does the bore size influence the fit and balance of an inboard boat propeller?
The bore is the central hole that mates the propeller to the tapered shaft. An imprecise fit causes wobbling, vibration, and potential damage to the shaft or strut. A perfectly matched bore, often achieved through CNC machining by brands like Acme Marine, ensures concentric balance and secure keyway engagement for marine propulsion integrity.
Where can you find high-quality inboard propellers for sale from brands like Acme?
Specialist prop shops and major marine distributors maintain an extensive inventory of inboard units from leading manufacturers. Propellers are available directly from select boat builders or through authorized online retailers that cater to yacht and commercial operators. Brands like Michigan Wheel, OJ, and VEEM offer robust options in NiBral material known for its strength and corrosion resistance.