Description
9 7/8 X 10 A3r Propeller | Boat Supply Store
Optimize your small outboard's thrust and efficiency with this MICHIGAN WHEEL A3r propeller, engineered for a 9 7/8 inch diameter and 10 inch pitch. This 3-blade aluminum propeller is specifically designed to deliver robust acceleration and maintain consistent planing speeds for lighter craft operating in coastal or lake environments. Its durable construction ensures reliable operation for recreational boating and light fishing applications.
Key Features
- Optimized Thrust for improved acceleration and hole shot.
- Durable Aluminum Construction for long-lasting performance.
- 3-Blade Design for balanced performance and efficiency.
- Precise Pitch of 10 inches for effective power transfer.
- Standard Diameter of 9 7/8 inches for broad compatibility.
- Corrosion Resistant Finish for marine environments.
- Designed for Outboard Motors for seamless integration.
- Engineered for Performance in various marine conditions.
Specifications
| Product Specifications | |
|---|---|
| Diameter | 9 7/8" |
| Pitch | 10" |
| Blades | 3 |
| Material | Aluminum |
| Hub Type | A3r |
Who This Is For
This propeller is ideal for owners of smaller outboard-powered vessels seeking to enhance acceleration and maintain cruising speed. It is a suitable replacement for boats used in freshwater or light saltwater conditions.
How It Compares
| Feature | 9 7/8 X 10 A3r Propeller | Solas |
|---|---|---|
| Diameter | 9 7/8 inches | 9.875 inches |
| Pitch | 10 inches | — |
| Blades | 3 | 3 |
| Material | Aluminum | Aluminum |
Common Concerns Answered
Will this propeller fit my outboard motor?
The 'A3r' hub designation indicates compatibility with specific outboard engine splines. Always verify your engine's propeller shaft spline count and ensure it matches the A3r hub specification for proper installation.
How durable is an aluminum propeller for saltwater use?
While aluminum propellers offer excellent value and performance, they can be susceptible to corrosion in prolonged saltwater immersion. Regular rinsing with fresh water and proper maintenance will extend its service life.
What is the difference between propeller pitch and diameter?
Diameter refers to the circle the propeller blades sweep, affecting the volume of water moved. Pitch is the theoretical distance the propeller would travel in one revolution; a higher pitch generally means higher speed but requires more engine power.
Frequently Asked Questions
What is the purpose of a 3-blade propeller versus a 2-blade or 4-blade?
Three-blade propellers offer a balance of acceleration, top-end speed, and fuel efficiency, making them the most common choice for general-purpose boating.
What does the 'A3r' in the model number signify?
The 'A3r' typically refers to the propeller's hub system, indicating the spline count and type of mounting required for your specific outboard engine. Consult your outboard's service manual for precise hub compatibility.
How do I clean and maintain this aluminum propeller?
After use, rinse the propeller thoroughly with fresh water to remove salt and debris. Periodically inspect for nicks or bends, and if necessary, smooth minor imperfections with fine-grit sandpaper. Apply a light coating of marine grease to the shaft before installation.
Is this propeller suitable for high-speed applications?
This propeller is designed for general performance enhancements. For specialized high-speed applications, higher performance materials and designs may be more appropriate. This model offers a strong balance for typical recreational use.
What is the recommended RPM range for this propeller?
The optimal operating RPM range is dictated by your specific outboard engine's specifications. This propeller is designed to achieve your engine's wide-open throttle (WOT) target RPM as specified by the manufacturer.
