Description
Turning Point Mach3 OS Stainless Steel Propeller | Boat Supply Store
Engineered for maximum efficiency and durability, this 3-blade, right-hand stainless steel propeller is designed to optimize performance on high-horsepower outboard engines (90hp and larger) and select sterndrives. Featuring a 15.625-inch diameter and a 13-inch pitch, its advanced Mach3™ OS™ design incorporates refined blade geometry and significantly larger exhaust ports for superior engine breathing and improved fuel economy. The proprietary TP17™ stainless steel construction offers 20% higher chromium content for enhanced strength and corrosion resistance, making it ideal for demanding offshore applications or powering large pontoon configurations.
Key Features
- Superior Hole Shot from aggressive progressive rake and blade geometry.
- Enhanced Bow Lift achieved through refined blade profiling.
- Class-Leading Cornering stability and maneuverability.
- Exceptional Durability via proprietary TP17™ stainless steel (20% higher chromium).
- Increased Corrosion Resistance due to advanced material composition.
- Improved Engine Efficiency from 40% larger free-flowing exhaust ports.
- Robust Construction for high-performance applications.
- Precise Handling on a variety of large horsepower vessels.
Specifications
| Product Specifications | |
|---|---|
| Blades | 3 |
| Rotation | Right Hand |
| Material | Proprietary TP17™ Stainless Steel |
| Diameter | 15.625" |
| Pitch | 13" |
| Model | OS-1613 |
| Exhaust Ports | Large Free Flowing (40% more exhaust flow area vs. competitive product) |
Who This Is For
This propeller is engineered for owners of high-horsepower outboard engines (90hp+) and specific sterndrives, including Mercury Alpha One™, Bravo One™, and Volvo Penta® SX models. It is an optimal upgrade for bay boats, offshore center consoles, and high-capacity pontoons/tri-toons seeking significant performance and handling improvements.
How It Compares
| Feature | Turning Point Mach3 OS Stainless Steel Propeller | Competitor |
|---|---|---|
| Diameter | 15.625" | 15.625", 15.5" |
| Pitch | 13" | — |
| Blades | 3 | 3, 4 |
| Material | Proprietary TP17™ Stainless Steel | Stainless Steel (X7 Alloy), Stainless Steel |
| Exhaust Ports | Large Free Flowing (40% more area vs. competitive) | Standard, Standard |
Common Concerns Answered
Why is the hub kit not included with this propeller?
The hub kit is sold separately to ensure universal compatibility with a wide range of engine models and sterndrives. Selecting the correct hub kit for your specific application is critical for proper fitment and performance, preventing damage to your drivetrain.
Is this propeller significantly more expensive than aluminum options?
Yes, high-performance stainless steel propellers like this one typically have a higher initial purchase price than aluminum propellers due to their superior material strength, durability, and advanced design features. This investment yields long-term benefits in performance and longevity.
What can cause vibration with a new propeller?
Vibration can occur if the propeller is not properly balanced or installed. Ensuring the correct hub kit is used and that all components are seated correctly, as per the manufacturer's guidelines, is essential for smooth operation.
Frequently Asked Questions
What are the exact diameter and pitch of the Turning Point Express Mach3 OS OS-1613 propeller?
The Turning Point Express Mach3 OS OS-1613 propeller has a diameter of 15.625 inches and a pitch of 13 inches.
What types of boats benefit most from the Turning Point Express Mach3 OS OS-1613 propeller?
This propeller is ideal for owners of large horsepower bay boats, offshore center consoles, and high-horsepower pontoon or tri-toon vessels seeking improved performance, hole shot, and handling.
Which engine sizes and gearcase types are compatible with this propeller?
It is designed for large horsepower outboard engines (90hp and larger with a 4.75" gearcase) and specific sterndrives such as Mercury Alpha One™, Bravo One™, and Volvo Penta® SX.
What is the material composition of the Turning Point Express Mach3 OS OS-1613 propeller?
The propeller is constructed from Turning Point's proprietary TP17™ stainless steel, which features 20% higher chromium content for increased strength and corrosion resistance compared to standard stainless steel.
Does the Turning Point Express Mach3 OS OS-1613 propeller include a hub kit?
No, a hub kit is not included with the propeller and must be purchased separately to ensure correct fitment for your specific engine and sterndrive application.
