Description
11 3/8 X 12 A3r Prop Vortex | Boat Supply Store
Achieve superior acceleration and fuel efficiency for your outboard motor with this precisely engineered Michigan Wheel propeller. Its 11 3/8-inch diameter and 12-inch pitch are optimized for efficient water displacement, reducing cavitation and improving hole shot performance. Ideal for mid-range outboard applications on bass boats or runabouts operating on lakes like Lake Conroe.
Key Features
- Optimized for improved acceleration and top-end speed
- Durable aluminum construction for longevity
- Engineered for reduced vibration and smoother operation
- Designed to minimize cavitation and ventilati0n
- Precise pitch for efficient power transfer
- Corrosion-resistant finish for marine environments
- Direct-fit for specified outboard applications
- Enhanced hole shot for quicker planing
Specifications
| Product Specifications | |
|---|---|
| Diameter | 11 3/8 inches |
| Pitch | 12 inches |
| Material | Aluminum |
| Blade Count | 3 |
Who This Is For
Boaters seeking to enhance the performance and efficiency of their outboard motor. This propeller is best suited for owners of mid-range horsepower outboards looking for improved acceleration and cruising speed.
How It Compares
| Feature | 11 3/8 X 12 A3r Prop Vortex | Quicksilver |
|---|---|---|
| Diameter | 11 3/8 inches | 11 3/8 inches |
| Pitch | 12 inches | — |
| Blade Count | 3 | 3 |
| Material | Aluminum | Aluminum |
Common Concerns Answered
Will this propeller fit my outboard motor?
Verify your outboard's required propeller diameter and pitch against this product's 11 3/8" diameter and 12" pitch. Always consult your outboard's manual for precise fitment specifications.
How does the A3r design benefit my boat's performance?
The A3r designation signifies a propeller design optimized for improved thrust and efficiency, leading to better hole shot, acceleration, and fuel economy. This design specifically helps overcome the inertia of getting a boat on plane.
Is aluminum a durable material for marine propellers?
Yes, aluminum is a standard and durable material for marine propellers, offering a balance of strength, weight, and cost-effectiveness. Its resistance to corrosion in saltwater environments is also a key benefit.
Frequently Asked Questions
What is the significance of the 11 3/8" x 12" sizing?
The '11 3/8"' denotes the propeller's diameter, measuring the distance from the tip of one blade to the tip of another through the center. The '12"' represents the pitch, which is the theoretical distance the propeller would move forward in one revolution.
How does propeller pitch affect boat performance?
A lower pitch, like 12 inches, generally provides better acceleration and hole shot, while a higher pitch offers better top-end speed. This 12" pitch is a balanced choice for many applications.
What is cavitation and how does this propeller address it?
Cavitation occurs when water pressure drops below the vapor pressure, forming vapor bubbles that can damage the propeller. This propeller's blade design aims to minimize pressure differentials, thereby reducing cavitation.
Can I use this propeller in saltwater or freshwater environments?
This aluminum propeller is suitable for both saltwater and freshwater use, though regular rinsing with fresh water after saltwater exposure is recommended for optimal longevity.
What is the expected lifespan of an aluminum propeller?
With proper maintenance, including regular inspection for damage and appropriate rinsing after saltwater use, an aluminum propeller like this can provide several seasons of reliable service.