Description
Turning Point Mach3 OS Propeller Left Hand 15.6" x 17" | Boat Supply Store
Engineered for high-horsepower applications, this 3-blade, left-hand rotation propeller delivers unparalleled performance for demanding offshore and bay boat operations. Its aggressive 15.6-inch diameter and 17-inch pitch, combined with proprietary TP17™ stainless steel construction, ensure superior corrosion resistance and durability. Featuring a large diameter design for optimal mid-range fuel economy and massive free-flowing exhaust ports providing 40% more exhaust flow area than competitive products, this propeller significantly enhances hole shot, bow lift, and cornering capabilities.
Key Features
- Unmatched hole shot and bow lift from aggressive rake and blade geometry.
- Superior corrosion resistance and durability with proprietary TP17™ stainless steel (20% higher chromium).
- Enhanced fuel economy across the mid-range via a large diameter, three-blade design.
- Exceptional handling and cornering due to optimized blade geometry.
- Massive free-flowing exhaust ports offer 40% greater exhaust area, reducing backpressure.
- Engineered for high-horsepower outboard and sterndrive applications.
- Optimized performance for bay boats, offshore center consoles, and high-horsepower pontoons.
- Left-hand rotation designed for twin-engine counter-rotation setups or specific single-engine configurations.
Specifications
| Product Specifications | |
|---|---|
| Blade Count | 3-Blade |
| Rotation | Left Hand |
| Material | Stainless Steel (TP17™) |
| Diameter | 15.6" |
| Pitch | 17" |
| MPN | 31511720 |
| Exhaust Flow Area | 40% more than competitive product |
Who This Is For
Owners of high-horsepower vessels, including bay boats, offshore center consoles, and large pontoons, seeking to maximize hole shot, fuel efficiency, and handling. Ideal for those with 90hp and larger outboards or specific sterndrive applications requiring enhanced performance.
How It Compares
| Feature | Turning Point Mach3 OS Propeller Left Hand 15.6" x 17" | Competitor |
|---|---|---|
| Blade Count | 3 | 3, 4 |
| Diameter | 15.6" | 15.5", 15.5" |
| Pitch | 17" | — |
| Material | Proprietary TP17™ Stainless Steel | Stainless Steel, Stainless Steel |
| Rotation | Left Hand | Left Hand, Left Hand |
| Exhaust Flow Area | 40% more than competitive product | Not Specified, Not Specified |
Common Concerns Answered
Do I need to purchase a separate hub kit for this propeller?
Yes, the Turning Point Express Mach3 OS propeller requires a separate hub kit, which must be purchased according to your specific engine make and model to ensure proper fitment and performance.
Is selecting the correct propeller difficult?
While some users report a learning curve, Turning Point provides extensive resources, including a propeller selection guide, to help you identify the optimal propeller for your boat and engine combination, minimizing guesswork.
Why is this propeller more expensive than aluminum options?
This propeller is constructed from proprietary TP17™ stainless steel, offering significantly higher strength, durability, and corrosion resistance compared to aluminum, leading to sustained optimal performance and longevity in harsh marine environments.
Frequently Asked Questions
What is the material of the Turning Point Express Mach3 OS propeller?
The propeller is constructed from proprietary TP17™ stainless steel, which features 20% higher chromium content for enhanced corrosion resistance and durability.
What type of boats is the Turning Point Express Mach3 OS propeller designed for?
This propeller is specifically designed for high-horsepower applications on demanding boats such as bay boats, offshore center consoles, and high-horsepower pontoons/tri-toons.
What is the pitch and diameter of this propeller?
The propeller has a diameter of 15.6 inches and a pitch of 17 inches.
What are the benefits of the Mach3 OS series over previous models?
The Mach3 OS series offers enhanced exhaust flow with massive free-flowing exhaust ports providing 40% more exhaust flow area than competitive products, contributing to improved engine efficiency and performance.
What engine sizes and types are compatible with this propeller?
This propeller is compatible with 90hp and larger outboards featuring a 4.75" gearcase from all engine manufacturers, as well as Mercury® Alpha One™ and Bravo One™, and Volvo® Penta® SX sterndrives.
