Description
Michigan Wheel 10 3/8 X 12 1/2 A3r Prop | Boat Supply Store
This aluminum propeller is engineered to enhance acceleration and midrange performance for a variety of outboard applications. With a 10 3/8-inch diameter and a 12 1/2-inch pitch, it is designed to optimize fuel efficiency and cruising speed. The A3r series is ideal for light, fast boats or as a replacement for damaged OEM propellers on smaller vessels operating in bays and shallow inlets.
Key Features
- Optimized for improved acceleration
- Enhanced midrange performance
- Durable aluminum construction
- Efficient fuel consumption
- Direct replacement compatibility
- Precision balanced for smooth operation
- Corrosion-resistant finish
- Designed for light, fast boats
Specifications
| Product Specifications | |
|---|---|
| Diameter | 10 3/8" |
| Pitch | 12 1/2" |
| Material | Aluminum |
| Series | A3r |
| Blade Count | 3 |
Who This Is For
Boaters seeking to improve their vessel's acceleration and cruising speed will benefit from this propeller. It is particularly suitable for owners of smaller, lighter craft looking for a performance upgrade or a reliable replacement.
How It Compares
| Feature | Michigan Wheel 10 3/8 X 12 1/2 A3r Prop | Quicksilver |
|---|---|---|
| Diameter | 10 3/8" | 10 1/4" |
| Pitch | 12 1/2" | — |
| Material | Aluminum | Aluminum |
| Blade Count | 3 | 3 |
Common Concerns Answered
Will this propeller fit my outboard motor?
This propeller is designed as a direct replacement for many common outboard applications. Verify your motor's propeller shaft splines and bolt pattern compatibility with the specifications for the M072132 SKU.
How does the A3r series differ from other Michigan Wheel propellers?
The A3r series is engineered for improved acceleration and midrange thrust, making it ideal for lighter vessels or applications where quicker hole shot is a priority over top-end speed.
Is the aluminum construction durable enough for saltwater use?
Yes, this propeller features a corrosion-resistant coating designed to withstand marine environments, including saltwater exposure, when properly maintained.
Frequently Asked Questions
What is the recommended application for a 10 3/8 x 12 1/2 propeller?
This propeller size is generally well-suited for smaller outboard motors on boats weighing between 500-1500 lbs, prioritizing acceleration and efficient cruising at moderate speeds.
How do I determine the correct pitch for my boat?
Pitch selection depends on your boat's weight, hull type, and engine's WOT (Wide Open Throttle) RPM range. Consult your engine's manual or a marine professional for precise recommendations.
What are the benefits of a 3-blade propeller?
Three-blade propellers typically offer a good balance of acceleration, top-end speed, and fuel efficiency, making them a versatile choice for many boat types.
Can this propeller be used for trolling?
While not specifically designed as a dedicated trolling propeller, its efficient design can provide adequate thrust for slow-speed maneuvering in calm conditions.
What maintenance is required for an aluminum propeller?
Rinse the propeller with fresh water after each use, especially in saltwater, and inspect regularly for nicks or damage. Proper maintenance ensures optimal performance and longevity.
