Description
13.5x21 S3r Stella Vx Prop | Boat Supply Store
This 13 1/2 x 21 pitch Stella Vx propeller from Polaris Propeller USA is engineered for superior thrust and efficiency. Featuring S3r technology, it offers enhanced blade strength and rigidity for aggressive acceleration and top-end speed. Ideal for boaters seeking to maximize planing capabilities and fuel economy on open water or during demanding fishing excursions in the Gulf of Mexico.
Key Features
- Optimized for superior thrust and efficiency
- S3r technology for enhanced blade strength
- Aggressive acceleration and top-end speed
- Durable stainless steel construction
- Precisely balanced for smooth operation
- Corrosion resistant for saltwater environments
- Reduces vibration and cavitation
- Engineered for performance and longevity
Specifications
| Product Specifications | |
|---|---|
| Diameter | 13 1/2 inches |
| Pitch | 21 inches |
| Series | Stella Vx |
| Material | Stainless Steel |
Who This Is For
Boaters requiring enhanced planing and top-end speed for their vessels. Ideal for performance-oriented users who prioritize efficiency and durability in marine propulsion systems.
How It Compares
| Feature | 13.5x21 S3r Stella Vx Prop | Mercury Marine |
|---|---|---|
| Diameter | 13 1/2 inches | 13 1/2 inches |
| Pitch | 21 inches | — |
| Material | Stainless Steel | Stainless Steel |
| Technology | S3r | Typically less capable |
Common Concerns Answered
Will this propeller fit my outboard motor?
Consult your outboard motor's service manual for specific propeller fitment recommendations based on horsepower and drive unit. While this propeller is designed for a wide range of applications, verifying compatibility is crucial for optimal performance and safety.
How does S3r technology improve propeller performance?
S3r technology incorporates advanced blade design and material composition, increasing blade strength and rigidity. This results in more efficient power transfer, reduced flex, and improved responsiveness during acceleration and high-speed operation.
Is stainless steel the best material for marine propellers?
Stainless steel offers superior strength, durability, and corrosion resistance compared to aluminum, making it ideal for demanding marine environments. This material is essential for maintaining propeller integrity and performance over extended periods of use in saltwater or freshwater.
Frequently Asked Questions
What is the recommended application for a 13 1/2 x 21 pitch propeller?
A 13 1/2 x 21 pitch propeller is typically suited for higher horsepower outboard motors and boats that prioritize speed and efficiency. It is often used on V-hull runabouts, bass boats, and performance-oriented vessels where higher top-end speed is desired.
How does pitch affect boat performance?
Propeller pitch determines how far the propeller would move forward in one revolution if it were screwing through a solid. A higher pitch (like 21 inches) generally results in higher top-end speed but requires more engine power to get on plane. A lower pitch sacrifices some top speed for better acceleration and load-carrying ability.
What does 'Stella Vx' signify in the product name?
'Stella Vx' denotes Polaris Propeller USA's premium series, incorporating advanced designs and materials for enhanced performance and durability. The 'Vx' often refers to specific technological advancements within that series.
Are there any specific maintenance requirements for this stainless steel propeller?
While durable, it's advisable to inspect the propeller regularly for any damage or corrosion. Rinse with fresh water after saltwater use and consider a professional inspection and reconditioning annually to maintain optimal performance.
What is the primary advantage of the 'S3r' feature?
The 'S3r' feature refers to a proprietary blade design and construction that significantly increases the propeller's strength and rigidity. This allows for better thrust generation, quicker planing, and improved overall engine performance, especially under load.
