Description
7.5x7 A3r Prop | Boat Supply Store
This 7.5x7 A3r aluminum propeller is engineered to restore optimal thrust and fuel efficiency to your outboard motor. Its three-blade design with a 7-inch pitch and 7.5-inch diameter is optimized for planing hull displacement in moderate load conditions. It is an ideal replacement for your existing propeller when seeking reliable performance for recreational boating on lakes like Lake Conroe.
Key Features
- Optimized Thrust for efficient planing.
- Durable Aluminum Construction for longevity.
- 7.5-inch Diameter suitable for various hulls.
- 7-inch Pitch for effective acceleration.
- Three-Blade Design for balanced performance.
- Direct Fit Replacement for seamless installation.
- Corrosion Resistant Finish for marine environments.
- Engineered for BRP Outboards for guaranteed compatibility.
Specifications
| Product Specifications | |
|---|---|
| Diameter | 7.5 inches |
| Pitch | 7 inches |
| Blades | 3 |
| Material | Aluminum |
| Model | A3r |
Who This Is For
Boaters requiring a direct-fit, durable aluminum propeller to maintain or restore their outboard motor's operational efficiency. This is suitable for users with specific diameter and pitch requirements for their vessel's performance needs.
How It Compares
| Feature | 7.5x7 A3r Prop | Mercury Marine |
|---|---|---|
| Diameter | 7.5 inches | 7.5 inches |
| Pitch | 7 inches | — |
| Blades | 3 | 3 |
| Material | Aluminum | Aluminum |
Common Concerns Answered
Will this propeller fit my outboard motor?
This 7.5x7 A3r propeller is specifically designed for compatible BRP US INC outboard motors. Always verify your engine's propeller specifications to ensure exact fitment before purchase.
How durable is the aluminum construction?
The aluminum alloy used in this propeller is selected for its robust strength and resistance to marine corrosion, providing reliable performance in saltwater and freshwater environments.
What is the expected performance improvement?
This propeller's pitch and diameter are engineered to optimize thrust and planing capabilities, potentially improving acceleration and fuel efficiency compared to a worn or improperly sized propeller.
Frequently Asked Questions
What is the meaning of 'A3r' in the product name?
'A3r' designates the specific blade design and airfoil profile of this propeller model, indicating its intended performance characteristics and efficiency.
How does a 7-inch pitch affect boat performance?
A 7-inch pitch means the propeller advances approximately 7 inches forward with each full rotation, influencing the boat's acceleration and top-end speed; this pitch is generally suited for efficient planing in moderate speed applications.
What is the significance of the 7.5-inch diameter?
The 7.5-inch diameter determines the surface area of the propeller blades, impacting the amount of water they can displace and thus affecting the overall thrust and load-carrying capacity of the engine.
Is propeller balancing important for this unit?
While this propeller is manufactured to precise standards for balance, ensuring your engine's propeller shaft is free of debris and correctly installed is crucial for vibration-free operation and optimal performance.
What is the best method for cleaning and maintaining this aluminum propeller?
Rinse the propeller thoroughly with fresh water after each use to remove salt and debris. Mild soap and a soft brush can be used for cleaning; avoid abrasive materials that could damage the finish.
