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3-Blade vs. 4-Blade Force Propellers.    
3-Blades
3-blade Force props are great on most boats as they offer good all around performance, better efficiency, and can achieve higher speeds. Switching from 4 to 3-blades generally requires a 1" pitch increase.
3-Blade vs. 4-Blade
4-Blades
4-blade Force props work well with bass, pontoon & high performance boats as they provide better acceleration, keep a boat on plane with fewer RPM's, and produce less vibration at high speeds. Switching from 3 to 4-blades generally requires a 1" pitch decrease.

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Aluminum vs. Stainless Steel Force Propellers.    
Aluminum
Aluminum Force props are a great choice for small and medium sized boats. They are inexpensive and under normal conditions can last for many years. When running your boat in an area where striking the bottom is likely, aluminum blades can flex, helping prevent damage to your engine.
Aluminum vs. Stainless Steel
Stainless Steel
Stainless steel Force props are ideal for large or heavy boats and boats running in saltwater. Although more expensive than aluminum, stainless steel Force props are more durable and will last longer. When running your boat at speeds over 50 mph, stainless Force props will perform better than aluminum.

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Differences in Propeller Diameter.    
Diameter is the width of the circle that the Force prop would make when rotating.

Prop diameter does not affect the fit of the prop on a boat.

The diameter of your Force prop can vary by up to 1/2" with no discernable change in performance.

Caution: Before increasing the diameter of your Force prop, make sure there will be enough clearance between the blades and cavitation plate or anode on your engine.
Propeller Diameter

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Pitch: Diameter: Differences in Diameter
Material: Stainless vs. Aluminum Blades: 3-Blade vs. 4-Blade
Your Engine:
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The below propeller brands will fit on your selected Force engine. However, to ensure proper loading of your engine, please choose the propeller size that most correctly matches your existing propeller. Please use the engine filter above to narrow your Force propeller options to your specific engine. Please CLICK on the below brands to see the list of products associated to that brand.

Michigan Wheel Apollo Propellers

Apollo Stainless Steel Propellers are top of the l...

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Michigan Wheel Apollo Propellers
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Apollo Stainless Steel Propellers are top of the line outboard propellers, known for ultimate performance. Apollo stainless steel propellers are designed by the leading replacement boat prop manufacturer (Michigan Wheel) for the past 100 years. Michigan Wheel Apollo props provide a proven combination of performance and durability that will wake...

Michigan Wheel Vortex Propellers

Michigan Wheel Vortex propeller, high performance ...

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Michigan Wheel Vortex Propellers
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Michigan Wheel Vortex propeller, high performance aluminum outboard propeller utilizing the XHS™ hub system. Vortex Aluminum Propellers include features such as high performance blade geometry, precision balanced blades, and high powdercoat finish. Designed by the leading replacement boat propeller manufacturer for the past 100 years. Vortex ...

Michigan Wheel Ballistic Propellers

Michigan Wheel Marine produces various lines of ou...

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Michigan Wheel Ballistic Propellers
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Michigan Wheel Marine produces various lines of outboard propellers, each with its own distinct characteristics and applications. The Ballistic Propeller, for instance, is designed for those who need explosive speeds and reliable performance in aggressive environments. It is made of premium quality materials that have been selected for their superi...

Michigan Wheel Michigan Match Propellers

Michigan Wheel Michigan Match propellers are among...

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Michigan Wheel Michigan Match Propellers
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Michigan Wheel Michigan Match propellers are among the finest propellers available, made from superior materials and by superior craftsmen. In the Michigan Match prop, you'll find high-strength, fine-grade alloys that ensure longer prop life. Michigan Match props have a high gloss black powder coat finish that minimizes speed loss from drag and ...

SOLAS Rubex Aluminum Propellers

Solas RUBEX Aluminum Boat Propellers Solas Rubex ...

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SOLAS Rubex Aluminum Propellers
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Solas RUBEX Aluminum Boat Propellers Solas Rubex Aluminum propellers are known for: Exclusive Solas squeeze casting process Wide blade design specifically for 4-stroke engines Outstanding acceleration and top speed Interchangeable with Flo-Torq & XHS Systems Solas Rubex 2-piece propellers are designed to eliminate the chatter and vibration se...

SOLAS Rubex Stainless Propellers

SOLAS RUBEX Stainless Steel Boat Propellers SOLAS...

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SOLAS Rubex Stainless Propellers
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SOLAS RUBEX Stainless Steel Boat Propellers SOLAS RUBEX stainless steel props are known for: Top notch cruising performance Large diameter and blade area for larger boat loads Awesome high speed performance without sacrificing cruising speeds Excellent fuel economy for offshore boats Interchangeable with Flo-Torq & Vortex Systems Reduce vibr...

SOLAS Rubex HR4 Stainless Propellers

RUBEX HR4 Stainless Steel Boat Propellers SOLAS S...

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SOLAS Rubex HR4 Stainless Propellers
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RUBEX HR4 Stainless Steel Boat Propellers SOLAS Stainless Steel High Performance RUBEX Interchangeable Hub Propellers Interchangeable with Flo-Torq & Vortex Systems Reduce vibration to provide longer life to lower units The SOLAS RUBEX Advantage All SOLAS propellers are developed by a state of the art process. Through a sequence of theoreti...

SOLAS Rubex NS3 Stainless Propellers

RUBEX NS3 Stainless Steel Boat Propellers SOLAS S...

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SOLAS Rubex NS3 Stainless Propellers
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RUBEX NS3 Stainless Steel Boat Propellers SOLAS Stainless Steel High Performance RUBEX Interchangeable Hub Propellers Interchangeable with Flo-Torq & Vortex Systems Reduce vibration to provide longer life to lower units SOLAS Rubex Manufacturing Advantages All SOLAS propellers are developed by a state of the art process. Through a sequence of t...

SOLAS RBX Rubex Hub System Kits

Solas Rubex Hub Kits fit Rubex Interchangable Hub ...

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SOLAS RBX Rubex Hub System Kits
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Solas Rubex Hub Kits fit Rubex Interchangable Hub Propellers. All necessary hardware included with easy to follow instructions. - Hub kit constructed of rubber, no plastic to deteriorate - Annodized aluminum spline - Hub will not spin in propeller

Michigan Wheel XHS Hub System Kits

Michigan Wheel's Xchangeable Hub System (XHS™) abs...

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Michigan Wheel XHS Hub System Kits
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Michigan Wheel's Xchangeable Hub System (XHS™) absorbs impact and stress caused by shifting gears and is designed to spin under significant impact to protect your lower end unit. XHS Hub Kits include forward thrust washer, inner hub, and aft drive adapter. These XHS™ Hub Kits are utilzed on the Apollo® Stainless Steel Propellers and Vortex® Alum...

For Force outboard engine owners around the globe, Deep Blue Yacht Supply is your trusted source for all size Force boat propellers. We are committed to providing the best Force props, at the lowest prices, with superior customer service.

Deep Blue Yacht Supply has the largest inventory of Stainless Force & Aluminum Force boat props; you will be sure to find the best prop for your Force outboard.

Deep Blue only sells new Force boat props, which price-wise are very comparable to used props; don’t settle for used boat propellers, when you can buy new Force boat props for around the same amount.

Need help finding the perfect boat propeller for your Force outboard? Use our state of the art Propeller Guide to find the perfect propeller for your Force Outboard. Trust Deep Blue Yacht Supply to help equip your Force Outboard with the best possible boat props. Deep Blue Yacht Supply is able to provide the ultimate sales and service experience, when it comes to selecting the best propellers for your Force Outboard.

Outboard Prop Considerations: The Role of Counter-Rotation

Counter-rotation is only a consideration for those boating enthusiasts who have more than a single motor powering their water craft. With two Force outboard propellers, however, boaters may find that steering becomes an issue. When this happens it is usually an indication that both Force outboard props are rotating in the same direction. This causes the boat to veer off course and requires the operator to constantly pay close attention to navigation, making small course corrections as needed. When weather conditions produce high winds or a lot of wave action, the problem can be magnified.

Using Force boat propellers with counter-rotation can solve most of the issue. Counter-rotation simply means that if one propeller turns in a right-handed direction, the other one will turn in a left-handed direction. Across all ranges of RPM, counter-rotation is effective at improving the navigational performance of the water craft. This is due to the fact that as the clockwise rotation of one propeller causes the boat to list slightly to the right, the counter-clockwise rotation of the other propeller will produce a listing force toward the right. In the aggregate, the two forces largely cancel each other out, allowing the boat operator to enjoy steering that is much more true.

Counter-rotation has really come into its own during the last decade or so. This is because during that time, it became more common for manufacturers to produce recreational water craft that were large enough to truly need a twin engine set up.

Propeller Terminology Unmasked: The Concept of “Rake”

When it comes to the sport and science of boating, “rake” definitely does not refer to a garden implement or the hero of a Regency novel.  Instead, rake in Force Boat Propellers is a precise mathematical measurement related to the blades of the propeller.

In Force Propellers and other brands of props, “rake” refers to the amount of slant the blades exhibit compared to the hub, or central spoke, of the propeller.  Each blade attaches to the hub, but they may slant in one of several directions: forward, backwards, or vertically with no discernible slant at all.  A blade that appears to lean backwards is said to have “aft rake,” while one that leans forward is described as having “forward rake” or sometimes “negative rake.” Perfectly vertical blades that form a 90-degree angle with the hub are said to have no rake.

In Force props, the type and degree of rake will influence how much water flows through the blades of the propeller.  This in turn will affect the performance of watercraft as they are piloted on lakes, rivers, and oceans.

Propellers having aft rake can be useful because they help to lift the bow of the watercraft.  This can help the boat move at faster speeds because less of it will be in the water subject to the drag of friction.  Forward rake has the opposite effect and helps to keep the bow of the boat in better contact with the water, which can be desirable when speed is not an issue.

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