Description
13 5/8 x 13 Q A3r Prop | Boat Supply Store
Optimized for mid-range horsepower outboards, this 13 5/8 x 13 Q A3r propeller from Polaris Propeller USA, Inc. delivers efficient thrust for a variety of hull types. Its robust aluminum construction is engineered to withstand the demands of marine environments, providing reliable power transfer for speeds and acceleration. This prop is an ideal upgrade for boaters seeking to restore or enhance the performance of their 40-140hp outboard motors, suitable for applications ranging from light offshore fishing to coastal cruising.
Key Features
- Engineered for optimal thrust with 40-140hp outboards
- Durable aluminum alloy construction for longevity
- 13 5/8 inch diameter and 13 inch pitch for balanced performance
- Q series blade design for improved efficiency
- A3r designation indicates specific performance characteristics
- Direct fit for compatible outboard models
- Corrosion-resistant finishes for saltwater durability
- Cost-effective performance enhancement
Specifications
| Product Specifications | |
|---|---|
| Diameter | 13 5/8 inches |
| Pitch | 13 inches |
| Blade Count | 3 |
| Material | Aluminum Alloy |
| Series | A3r |
| Engine Compatibility | 40-140hp |
Who This Is For
This propeller is designed for owners of 40-140hp outboard engines seeking a direct replacement or performance upgrade. It is particularly suited for those who value efficiency and durability in their propulsion system for recreational boating applications.
How It Compares
| Feature | 13 5/8 x 13 Q A3r Prop | Michigan Wheel |
|---|---|---|
| Diameter | 13 5/8 inches | 13 1/2 inches |
| Pitch | 13 inches | — |
| Blade Count | 3 | 3 |
| Material | Aluminum Alloy | Aluminum Alloy |
Common Concerns Answered
Will this propeller fit my specific outboard model?
This propeller is designed for outboards in the 40-140hp range. Verify your engine's specific propeller shaft spline count and rotation against the manufacturer's recommendations to ensure compatibility. Always consult your outboard's service manual for precise fitment details.
Is this propeller suitable for saltwater use?
Yes, the aluminum alloy construction with appropriate corrosion-resistant coatings makes this propeller suitable for saltwater environments. Regular rinsing with fresh water after saltwater use will further prolong its lifespan and performance.
How will this propeller affect my boat's performance?
A 13 5/8 x 13 pitch propeller is designed to offer a balance between top-end speed and hole-shot acceleration for engines in its rated horsepower range. Depending on your hull type and current propeller, you may experience improved fuel efficiency or better planing capabilities.
Frequently Asked Questions
What does the 'Q A3r' designation mean on this propeller?
The 'Q' typically refers to a specific blade design series, often indicating performance characteristics such as efficiency or handling. 'A3r' further specifies the particular rake and cupping profile of the blade, which impacts thrust and ventilation. These designations are proprietary to Polaris Propeller USA, Inc.
What is the significance of the 13 5/8 inch diameter and 13 inch pitch?
The 13 5/8 inch diameter provides a certain blade surface area, while the 13 inch pitch dictates the distance the propeller would theoretically travel in one revolution. This combination is engineered for optimal performance on 40-140hp engines, balancing speed and torque.
Can I use this propeller on a different horsepower engine?
It is critical to match the propeller's specifications, including horsepower rating, to your outboard engine. Using a propeller that is too small or too large can lead to engine lugging, overheating, or over-revving, potentially causing damage. This propeller is rated for 40-140hp.
What tools are required for propeller installation?
Standard tools for propeller installation typically include a socket wrench set to remove the existing propeller nut and washer, and a torque wrench to properly tighten the new propeller nut to the manufacturer's specified torque. Always refer to your outboard's service manual for exact procedures.
How often should I inspect my propeller?
It is recommended to inspect your propeller for nicks, dents, bends, or corrosion before and after each outing. Regular inspections help ensure optimal performance and can identify potential issues before they cause damage or reduce efficiency.