Description
MICHIGAN WHEEL 8.7x7 A4r Prop MI Match | Boat Supply Store
This Michigan Wheel A4r propeller, measuring 8.7 inches in diameter with a 7-inch pitch, is engineered to optimize thrust and fuel efficiency for smaller outboard motors. Its A4r design ensures superior water aeration and cavitation resistance, critical for maintaining performance during aggressive maneuvers or in choppy conditions. Ideal for pontoons, jon boats, or flats skiffs operating in diverse Texas waterways, this prop delivers consistent power delivery for trolling or hole shot.
Key Features
- Optimized Performance for enhanced thrust and fuel economy
- Durable Aluminum Construction for longevity
- A4r Blade Design for superior water aeration
- Cavitation Resistance for consistent power
- 8.7-inch Diameter for specific hull applications
- 7-inch Pitch for tailored engine response
- Direct Fit Replacement for straightforward installation
- Engineered by Michigan Wheel for marine reliability
Specifications
| Product Specifications | |
|---|---|
| Diameter | 8.7 inches |
| Pitch | 7 inches |
| Blade Count | 4 |
| Material | Aluminum |
| Series | A4r |
Who This Is For
Boaters requiring a precise propeller upgrade for smaller outboard motors to improve performance and efficiency. This prop is suitable for owners of jon boats, skiffs, and small recreational vessels seeking optimal hole shot and cruising speeds.
How It Compares
| Feature | MICHIGAN WHEEL 8.7x7 A4r Prop MI Match | Various |
|---|---|---|
| Diameter | 8.7 inches | Typically less capable |
| Pitch | 7 inches | Typically less capable |
| Blade Count | 4 | Typically less capable |
| Material | Aluminum | Aluminum |
Common Concerns Answered
Will this propeller significantly improve my boat's acceleration?
The 8.7x7 A4r propeller is engineered with a specific pitch and blade design to enhance hole shot and mid-range acceleration for compatible outboard engines, often providing a noticeable improvement.
Is this propeller compatible with all outboard motors?
While designed for specific applications, this 8.7x7 A4r prop is best suited for smaller to medium-sized outboards; always verify engine manufacturer recommendations for diameter and pitch suitability.
How durable is an aluminum propeller in saltwater environments?
Michigan Wheel utilizes robust aluminum alloys and protective coatings on their propellers to resist corrosion and abrasion, ensuring longevity even in demanding saltwater conditions with proper maintenance.
Frequently Asked Questions
What is the significance of the 'A4r' designation in this propeller?
The 'A4r' designation signifies a specific blade design developed by Michigan Wheel, known for its aerodynamic characteristics that promote better water flow, reduced drag, and improved efficiency.
What is the recommended RPM range for this 8.7x7 propeller?
Specific RPM range is dictated by the outboard engine's specifications and boat hull. Consult your engine's manual to ensure this 8.7x7 prop operates within the optimal wide-open throttle (WOT) RPM band.
How does the 7-inch pitch affect boat performance?
A 7-inch pitch generally provides quicker acceleration and better low-end torque, making it suitable for boats that frequently operate at lower speeds or require a strong initial push out of the water.
Can this aluminum propeller be used with stainless steel propshaft hardware?
Yes, this aluminum propeller is designed for use with standard marine-grade propshafts, including those made of stainless steel, provided all torque specifications are adhered to during installation.
What is the typical lifespan of an aluminum boat propeller?
With proper care, including regular inspection for damage and marine growth, an aluminum propeller can last many seasons; however, performance can degrade if blades become bent or chipped.