Description
13" x 21" A3r Propeller for Yamaha | Boat Supply Store
This 13" x 21" A3r propeller from Michigan Wheel is engineered to optimize thrust and efficiency for compatible Yamaha outboard engines. It features a 13-inch diameter and a 21-inch pitch, designed for enhanced hole shot and sustained cruising speeds. Ideal for saltwater fishing applications in bays and flats, this propeller ensures reliable power delivery for your vessel.
Key Features
- Maximize thrust with a 13" diameter and 21" pitch.
- Engineered for optimal performance on Yamaha outboards.
- Durable aluminum alloy construction for longevity.
- Improved hole shot for quicker acceleration.
- Sustained cruising efficiency for extended range.
- Reliable power transfer for demanding marine environments.
- Designed for specific Yamaha outboard models.
- Direct replacement for increased vessel responsiveness.
Specifications
| Product Specifications | |
|---|---|
| Diameter | 13 inches |
| Pitch | 21 inches |
| Material | Aluminum |
| Blade Count | 3 |
Who This Is For
This propeller is designed for boaters with compatible Yamaha outboard engines seeking improved acceleration and cruising efficiency. It is particularly beneficial for those operating in shallow water environments or frequently engaging in water sports.
How It Compares
| Feature | 13" x 21" A3r Propeller for Yamaha | SOLAS |
|---|---|---|
| Diameter | 13 inches | — |
| Pitch | 21 inches | — |
| Material | Aluminum | Aluminum |
| Blade Count | 3 | 3 |
Common Concerns Answered
Will this propeller fit my specific Yamaha outboard model?
The A3r propeller series is designed for select Yamaha outboard models. Please verify your outboard's specifications against the fitment data to ensure compatibility.
How does the A3r design improve performance?
The A3r design incorporates specific blade geometry and pitch to enhance hydrodynamic efficiency, resulting in improved hole shot and better fuel economy during operation.
Is aluminum the best material for this application?
Aluminum offers an excellent balance of durability, weight, and cost-effectiveness for many outboard applications. It provides sufficient strength for typical operational loads while being less prone to damage from debris compared to some other materials.
Frequently Asked Questions
What is the recommended engine size for this propeller?
This propeller is typically recommended for Yamaha outboard engines within a specific horsepower range designed to utilize a 13" x 21" pitch configuration for optimal performance.
How does pitch affect boat performance?
A higher pitch, like 21 inches, generally results in higher top-end speed and better fuel efficiency at cruising speeds. Conversely, a lower pitch improves acceleration and hole shot.
What does 'A3r' signify in the propeller name?
'A3r' refers to Michigan Wheel's specific propeller series, denoting a particular blade design and performance characteristic engineered for certain engine applications.
Can this propeller be used in saltwater?
Yes, this aluminum propeller is suitable for use in saltwater environments, provided it is properly maintained and rinsed after each use to prevent corrosion.
What is the difference between a 3-blade and a 4-blade propeller?
A 3-blade propeller generally offers better top-end speed and efficiency, while a 4-blade propeller typically provides improved acceleration, better handling in rough water, and reduced vibration.
