Description
8.7x7 A4r Prop Mi Match | Boat Supply Store
This Michigan Wheel aluminum propeller is engineered to optimize thrust for smaller outboard motors, directly addressing the need for efficient hole-shot acceleration and consistent cruising speeds. Featuring a precise 8.7-inch diameter and 7-inch pitch, it is designed for specific engine applications where responsiveness is paramount. It serves as an ideal replacement for anglers targeting shallow water species or recreational boaters operating in protected bays and rivers.
Key Features
- Optimized for superior thrust and acceleration.
- Durable aluminum construction for longevity.
- Precise 8.7-inch diameter for targeted performance.
- 7-inch pitch for efficient cruising.
- Engineered for small outboard applications.
- Reliable Michigan Wheel quality.
- Direct replacement compatibility.
- Reduces cavitation for smoother operation.
Specifications
| Product Specifications | |
|---|---|
| Diameter | 8.7 inches |
| Pitch | 7 inches |
| Blade Count | 4 |
| Material | Aluminum |
Who This Is For
Ideal for owners of smaller outboard engines seeking to improve acceleration and midrange performance. This propeller is best suited for recreational boaters and anglers operating in lakes, rivers, and protected coastal waters.
How It Compares
| Feature | 8.7x7 A4r Prop Mi Match | Other Brand Propeller |
|---|---|---|
| Diameter | 8.7 inches | Typically less capable |
| Pitch | 7 inches | Typically less capable |
| Blade Count | 4 | Typically less capable |
| Material | Aluminum | Typically less capable |
Common Concerns Answered
Will this propeller fit my outboard motor?
This 8.7x7 A4r propeller is designed for specific outboard motor applications. Always verify your engine's recommended propeller size and spline count before purchasing to ensure correct fitment.
Is aluminum a durable material for a propeller?
Yes, aluminum propellers offer a balance of durability and cost-effectiveness. This Michigan Wheel propeller is engineered for the stresses of marine environments while providing reliable performance.
What is the primary benefit of a 4-blade propeller?
A 4-blade propeller typically offers improved hole-shot acceleration and better grip in rough water compared to a 3-blade of similar pitch. This design is beneficial for boats that require quicker planning.
Frequently Asked Questions
What is the significance of the 'A4r' in the product name?
The 'A4r' designation refers to Michigan Wheel's specific design series, indicating a 4-blade configuration with a particular blade rake and airfoil profile optimized for certain engine applications.
How does pitch affect boat performance?
Pitch determines how far a propeller moves through the water in one revolution. A lower pitch, like 7 inches, generally provides better acceleration and top-end RPM, while a higher pitch offers better top speed and fuel economy.
What is the recommended water condition for this propeller?
This propeller is well-suited for a variety of marine environments, including lakes, rivers, and protected coastal waters, where efficient hole-shot and consistent cruising are desired.
Can this propeller be used on saltwater applications?
While aluminum propellers can be used in saltwater, regular cleaning and inspection are crucial to prevent corrosion. For extensive saltwater use, a stainless steel propeller might offer greater longevity.
What is the purpose of the 8.7-inch diameter?
The 8.7-inch diameter is specific to the torque and horsepower of the outboard it's designed for. A correct diameter ensures the engine operates within its optimal RPM range without over-exertion.