Description
12 1/4 x 9 S3r Prop Stella Polaris | Boat Supply Store
This 12 1/4 inch diameter by 9 inch pitch S3r Stella propeller from Polaris is engineered for superior thrust and improved planing efficiency on a range of inboard/outboard engines. Its three-blade design minimizes vibration and cavitation, providing a smoother ride and increased fuel economy. Optimized for direct replacement on many small to medium-sized outboard applications, it ensures reliable performance for recreational boating on lakes like Lake Conroe.
Key Features
- Optimized for enhanced thrust and planing performance
- Reduced vibration and cavitation from three-blade configuration
- Increased fuel efficiency compared to standard props
- Durable construction for extended service life
- Precise fitment for specific engine models
- Corrosion-resistant materials for saltwater environments
- Engineered for smoother operation
- Direct replacement for OEM propellers
Specifications
| Product Specifications | |
|---|---|
| Diameter | 12 1/4" |
| Pitch | 9" |
| Blade Count | 3 |
| Material | Aluminum Alloy |
Who This Is For
This propeller is designed for boat owners seeking to upgrade their vessel's performance and efficiency. It is ideal for those operating smaller to medium-sized boats with compatible inboard/outboard engines who prioritize a smoother ride and better fuel economy.
How It Compares
| Feature | 12 1/4 x 9 S3r Prop Stella Polaris | Solas |
|---|---|---|
| Diameter | 12 1/4" | 12 1/4" |
| Pitch | 9" | — |
| Blade Count | 3 | 3 |
Common Concerns Answered
Will this propeller fit my engine?
This propeller features standard fitment for many inboard/outboard engines. Always verify your engine's specific propeller requirements against the product specifications and consult your owner's manual or a marine technician for confirmation before purchase.
How durable is this propeller?
Constructed from a robust aluminum alloy, this propeller is designed to withstand the rigors of marine use, offering resistance to corrosion and impact for a long service life.
Can I expect improved fuel economy?
Yes, the S3r Stella design is engineered to optimize hydrodynamic efficiency, which can result in improved fuel economy and better overall performance compared to older or less efficient propeller designs.
Frequently Asked Questions
What is the recommended RPM range for this propeller?
The optimal RPM range is application-specific and depends on your engine and hull type. Consult your engine's performance data or a marine professional for precise recommendations.
Is propeller installation difficult?
Installation difficulty is rated as 1, indicating it is a straightforward process for most mechanically inclined boaters. Basic tools and adherence to torque specifications are typically required.
What material is this propeller made from?
This propeller is constructed from a high-strength aluminum alloy, chosen for its balance of performance, durability, and corrosion resistance in marine environments.
What does the 'S3r' designation signify?
The 'S3r' designation typically refers to a specific blade design or series from Polaris Propellers, indicating advanced hydrodynamic shaping for enhanced performance characteristics.
How does a 12 1/4" x 9" specification benefit my boat?
A 12 1/4" diameter generally provides good thrust for planing, while a 9" pitch is suitable for engines that operate in a mid-to-higher RPM range, balancing acceleration and top-end speed.
