Description
15x21 S3r Prop Soltiga 3 | Boat Supply Store
Optimized for substantial load-carrying capacity and rapid planing, this Polaris Soltiga 3 S3r propeller features a 15-inch pitch and 21-inch diameter. Its advanced blade geometry is designed to minimize slip and maximize thrust, crucial for achieving optimal speeds during waterskiing runs on Lake Travis. This design ensures superior acceleration and sustained high-performance operation, even when the boat is fully loaded.
Key Features
- Maximizes thrust for superior acceleration.
- Optimizes fuel efficiency through reduced slip.
- Engineered for high-performance planing.
- Durable construction for demanding marine environments.
- Precision-balanced for smooth operation.
- Reduces cavitation for quieter performance.
- Ensures efficient power transfer.
- Designed for sustained high speeds.
Specifications
| Product Specifications | |
|---|---|
| Diameter | 21 inches |
| Pitch | 15 inches |
| Blade Count | 3 |
| Series | S3r Soltiga 3 |
Who This Is For
This propeller is engineered for boaters seeking to maximize the performance of their sterndrive or outboard engines, particularly those operating high-speed or tournament tow boats. It is ideal for maximizing acceleration and top-end speed in demanding water conditions.
How It Compares
| Feature | 15x21 S3r Prop Soltiga 3 | Mercury Marine |
|---|---|---|
| Diameter | 21 inches | — |
| Pitch | 15 inches | — |
| Blade Count | 3 | 3 |
| Series | S3r Soltiga 3 | Enertia |
Common Concerns Answered
Will this propeller fit my specific engine model?
Verify your engine's propeller shaft spline count and gearcase size against the propeller's hub kit specifications. Consult your engine's service manual for exact compatibility.
What is the typical performance increase I can expect?
Users report significant improvements in acceleration and hole shot, with reduced slip percentages leading to higher cruising speeds. Actual gains are contingent on your vessel's hull design, weight, and engine tuning.
How durable is this propeller in saltwater environments?
The Soltiga 3 S3r series is constructed with corrosion-resistant alloys and finished to withstand harsh saltwater conditions, ensuring longevity and consistent performance.
Frequently Asked Questions
What is the recommended application for a 15x21 propeller?
A 15-inch pitch and 21-inch diameter is generally suited for high-performance boats and heavier vessels requiring strong acceleration and good top-end speed, often in the 150-300 HP range.
How does the S3r design differ from standard propellers?
The S3r designation indicates an advanced blade profile optimized for specific performance characteristics, often featuring higher aspect ratios and revised rake and cup angles for superior hydrodynamic efficiency.
What is the significance of 'Soltiga 3' in the product name?
'Soltiga 3' identifies this as the third iteration of Polaris's Soltiga propeller line, typically signifying refinements in blade design, material, and performance enhancements over previous models.
Can I use this propeller with a different hub kit?
Yes, this propeller is designed to be compatible with a variety of interchangeable hub kits to accommodate different engine makes and models, ensuring broad application.
What does '15x21' represent on a propeller?
'15x21' refers to the propeller's dimensions: the first number (15) is the pitch in inches, and the second number (21) is the diameter in inches. Pitch dictates how far the propeller would theoretically move the boat forward in one revolution.
