Description
11 1/8x13 A3r Prop Yanta | Boat Supply Store
This 11 1/8 x 13 A3r propeller from POLARIS PROPELLER USA is engineered for optimal thrust and efficiency on a variety of marine applications. Its A3r designation signifies a specific blade geometry designed to reduce ventilation and improve hole-shot performance, making it ideal for planing hull vessels. For boaters operating in the Gulf Coast region seeking responsive acceleration, this aluminum propeller delivers reliable power transfer for everyday use.
Key Features
- Delivers optimal thrust for efficient propulsion.
- Engineered for reduced ventilation and improved hole-shot.
- Durable aluminum construction for longevity.
- Designed for responsive acceleration.
- 11 1/8 x 13 pitch for a balance of speed and power.
- A3r blade geometry for enhanced performance.
- Direct replacement for specified engine models.
- Ensures reliable power transfer for daily operation.
Specifications
| Product Specifications | |
|---|---|
| Diameter | 11 1/8 inches |
| Pitch | 13 inches |
| Material | Aluminum |
| Blade Count | 3 |
| Series | A3r |
Who This Is For
This propeller is for boat owners and operators requiring a standard-duty replacement or upgrade for their outboard motor. It suits those prioritizing consistent performance and efficient hole-shot for their planing hull vessels.
How It Compares
| Feature | 11 1/8x13 A3r Prop Yanta | Other Aluminum Propellers |
|---|---|---|
| Diameter | 11 1/8 inches | Typically less capable |
| Pitch | 13 inches | Typically less capable |
| Blade Count | 3 | Typically less capable |
| Material | Aluminum | Typically less capable |
Common Concerns Answered
Will this propeller fit my specific outboard model?
Verify your outboard's recommended propeller diameter and pitch against the specifications of this 11 1/8 x 13 propeller to ensure compatibility. Consult your outboard's service manual for exact fitment details.
How does the A3r designation affect performance?
The A3r blade geometry is engineered to enhance hydrodynamic efficiency, reducing cavitation and improving the prop's grip on the water for a better initial acceleration and sustained planing.
Is aluminum the best material for this application?
Aluminum propellers offer a balance of durability, weight, and cost-effectiveness, making them suitable for a wide range of recreational boating applications where they can absorb minor impacts without catastrophic failure.
Frequently Asked Questions
What is the recommended engine size for a 11 1/8 x 13 propeller?
Propeller pitch selection is dependent on engine RPM range, boat hull design, and load. A 13-inch pitch is typically suited for mid-range horsepower outboards aiming for a balance of acceleration and top-end speed.
How do I measure propeller diameter and pitch?
Diameter is measured from the center of the prop shaft to the tip of one blade, then doubled. Pitch is the theoretical distance the propeller would travel in one revolution, often indicated on the propeller hub.
Can this propeller be used in saltwater environments?
Yes, aluminum propellers are commonly used in saltwater. Regular rinsing with fresh water after use is recommended to prevent corrosion and maintain optimal performance.
What is the benefit of a 3-blade propeller?
Three-blade propellers generally offer the best all-around performance, providing a good balance between acceleration, top-end speed, and fuel efficiency for most boat types.
How often should a propeller be inspected or replaced?
Inspect your propeller for nicks, bends, or erosion before each outing. Replacement is generally recommended when significant damage is present or performance is noticeably degraded.
