Description
Turning Point Mach3 OS Stainless Propeller | Boat Supply Store
Engineered for demanding applications, this 3-blade, 15.625" diameter x 15" pitch stainless steel propeller significantly enhances hole shot and bow lift on high-horsepower vessels. Its proprietary TP17™ stainless steel construction provides superior corrosion resistance, while strategically engineered large free-flowing exhaust ports (40% more area than competitors) optimize horsepower utilization. This propeller is ideal for bay boats and offshore center consoles operating in challenging Gulf Coast conditions.
Key Features
- Achieve superior hole shot and bow lift with an aggressive progressive rake and blade geometry.
- Benefit from exceptional durability and corrosion resistance due to proprietary TP17™ stainless steel.
- Experience increased horsepower delivery via large free-flowing exhaust ports, offering 40% more area.
- Maximize performance on bay boats, offshore center consoles, and high-horsepower pontoons.
- Ensure optimal engine breathing and efficiency with advanced exhaust port design.
- Reduce cavitation and improve thrust with precisely engineered blade contours.
- Rely on 316 marine-grade stainless steel for longevity in saltwater environments.
- Achieve precise steering control and stability through refined hydrodynamic profiling.
Specifications
| Product Specifications | |
|---|---|
| 3-Blade | Yes |
| Right Hand | Yes |
| Material | TP17™ Stainless Steel |
| Diameter | 15.625" |
| Pitch | 15" |
| Model | OS-1615 |
| Gearcase Size | 4.75" |
| Fits Outboards | 90hp+ |
| Fits Sterndrives | Mercury® Alpha One™ / Bravo One™, Volvo® Penta® SX |
Who This Is For
Boaters with outboard and sterndrive engines 90hp and above seeking to maximize hole shot, bow lift, and cornering capabilities for performance-oriented craft. Ideal for owners of bay boats, offshore center consoles, and high-horsepower pontoon/tri-toon vessels.
How It Compares
| Feature | Turning Point Mach3 OS Stainless Propeller | Competitor |
|---|---|---|
| Diameter | 15.625" | 15.5", 15.5" |
| Pitch | 15" | — |
| Blades | 3 | 3, 4 |
| Material | TP17™ Stainless Steel | Stainless Steel, Stainless Steel |
| Exhaust Ports | Large Free Flowing | Standard, Standard |
Common Concerns Answered
Is a hub kit included with this propeller?
No, the hub kit is not included and requires a separate purchase to ensure proper fitment with your specific engine and drive system.
Are there any common complaints about this propeller?
While customer sentiment is highly positive, some users note a slight adjustment period to dial in optimal performance with the new prop's advanced design.
How does this propeller compare in price to other options?
This propeller is competitively priced within the premium stainless steel category, offering significant performance gains that justify the investment compared to less advanced alternatives.
Frequently Asked Questions
What type of boats is the Turning Point Express Mach3 OS propeller best suited for?
This propeller is engineered for boats requiring high performance, including bay boats, offshore center consoles, and high-horsepower pontoon/tri-toon vessels, particularly those with larger horsepower outboards and sterndrives.
What engine sizes and types are compatible with the Turning Point Express Mach3 OS propeller?
It is compatible with 90hp and larger 4.75" gearcase outboards, as well as Mercury® Alpha One™ / Bravo One™ and Volvo® Penta® SX sterndrives.
What makes the TP17™ stainless steel material unique and beneficial?
TP17™ stainless steel features 20% higher chromium content than standard marine stainless steel, offering exceptional corrosion resistance and enhanced durability for prolonged exposure to harsh marine environments.
How does the large free-flowing exhaust port design improve performance?
The significantly larger exhaust ports, providing 40% more exhaust flow area than competing propellers, reduce back pressure and allow the engine to breathe more freely, thereby increasing horsepower output and overall performance.
Is a hub kit required for installation, and how do I select the correct one?
Yes, a hub kit is mandatory for installation. You must select the correct hub kit based on your specific outboard or sterndrive model to ensure proper fitment and function; please consult the Turning Point Propeller Selection Guide for assistance.
