Description
Michigan Wheel 12 5/8 X 21 A3r Prop | Boat Supply Store
Achieve superior acceleration and top-end speed with this Michigan Wheel A3r series propeller, specifically engineered for outboard motor applications. Its 12 5/8 inch diameter and 21 inch pitch are optimized for efficient planing and sustained cruising. This aluminum propeller is designed to reduce cavitation and maximize thrust output for a wide range of hull types commonly found on Texas lakes.
Key Features
- Enhanced thrust for quicker acceleration
- Optimized pitch for higher top-end speeds
- Durable aluminum construction for longevity
- Reduced cavitation for smoother operation
- Precision balanced for minimal vibration
- Engineered for outboard motor efficiency
- Direct replacement for specified models
- Proven A3r series performance
Specifications
| Product Specifications | |
|---|---|
| Diameter | 12 5/8 inches |
| Pitch | 21 inches |
| Material | Aluminum |
| Series | A3r |
Who This Is For
Boaters seeking to maximize their outboard's performance with a durable and efficient aluminum propeller. This prop is ideal for owners of ski boats or bass boats looking for improved hole-shot and cruising speeds.
How It Compares
| Feature | Michigan Wheel 12 5/8 X 21 A3r Prop | Quicksilver |
|---|---|---|
| Diameter | 12 5/8 inches | 12 3/4 inches |
| Pitch | 21 inches | — |
| Material | Aluminum | Aluminum |
| Series | A3r | Vengeance |
Common Concerns Answered
Will this propeller fit my outboard motor?
This propeller is designed as a direct replacement for specific outboard motor applications. Please verify your motor's original propeller specifications to ensure compatibility.
How durable is an aluminum propeller compared to stainless steel?
While aluminum propellers are generally less expensive, they are also more prone to damage from submerged objects. However, this A3r series prop from Michigan Wheel is constructed for robust performance and longevity in typical boating conditions.
What is the benefit of a 21-inch pitch?
A 21-inch pitch is ideal for achieving higher top-end speeds by allowing the engine to reach a higher RPM range at wide-open throttle, assuming your engine has the power to push it.
Frequently Asked Questions
What is the primary advantage of the A3r series propeller?
The A3r series is engineered to provide a balance of performance, delivering improved hole-shot and solid top-end speed for a wide range of outboard applications.
How does the 12 5/8 inch diameter affect performance?
A larger diameter like 12 5/8 inches generally allows the propeller to move more water, contributing to better thrust and acceleration, especially for heavier boats or those needing to get on plane quickly.
Is this propeller suitable for saltwater use?
This aluminum propeller is designed for general marine use. For frequent saltwater environments, consider propeller materials and coatings specifically designed for corrosion resistance.
What is the correct way to measure propeller pitch?
Propeller pitch is measured in inches and represents the theoretical distance the propeller would travel in one revolution if it were moving through a solid medium without slippage.
How often should I inspect my propeller for damage?
It is recommended to inspect your propeller visually for nicks, bends, or erosion before and after each outing, and particularly after striking any submerged objects.
