Description
14 3/4 X 21 S3r Prop Apollo | Boat Supply Store
This Michigan Wheel S3r Apollo propeller is engineered for optimal thrust and efficiency, specifically designed to improve hole-shot and mid-range acceleration. Featuring a 14 3/4-inch diameter and a 21-inch pitch, this propeller is constructed from advanced materials for superior durability and performance in demanding marine environments. It is ideal for enhancing the performance of bass boats or high-speed offshore vessels operating on Lake Conroe.
Key Features
- Achieve superior hole-shot performance for rapid acceleration.
- Experience improved mid-range cruizing capabilities.
- Benefit from a robust 14 3/4-inch diameter for substantial water grip.
- Utilize the efficient 21-inch pitch for optimal speed and load carrying.
- Gain increased fuel efficiency through optimized blade design.
- Enjoy enhanced durability with premium material construction.
- Mitigate cavitation for consistent power delivery.
- Ensure precise power transfer to the water.
Specifications
| Product Specifications | |
|---|---|
| Diameter | 14 3/4 inches |
| Pitch | 21 inches |
| Material | Stainless Steel |
Who This Is For
This propeller is suited for owners of performance-oriented boats seeking to maximize acceleration and midrange performance. It is an excellent upgrade for boaters who frequently engage in activities requiring rapid planing, such as water skiing or competitive fishing.
How It Compares
| Feature | 14 3/4 X 21 S3r Prop Apollo | Mercury Marine |
|---|---|---|
| Diameter | 14 3/4 inches | — |
| Pitch | 21 inches | — |
| Material | Stainless Steel | Aluminum |
Common Concerns Answered
Will this propeller fit my specific outboard motor model?
Propeller fitment is critical. Always verify your engine's propeller shaft spline count and specific application requirements against the propeller's specifications before purchase to ensure compatibility and optimal performance.
How does propeller pitch affect boat performance?
A higher pitch (like 21 inches) generally results in higher top-end speed but can reduce acceleration. A lower pitch offers better acceleration and load-carrying capacity but limits top speed. The 21-inch pitch on this propeller is optimized for a balance of speed and acceleration for specific engine applications.
What are the advantages of a stainless steel propeller over aluminum?
Stainless steel propellers offer significantly greater strength, durability, and resistance to corrosion and impact damage compared to aluminum. This translates to a longer service life and better performance retention, especially in saltwater environments or areas prone to debris.
Frequently Asked Questions
What is the primary benefit of the S3r Apollo design?
The S3r Apollo design is engineered to provide exceptional hydrodynamic efficiency, resulting in improved acceleration, better fuel economy, and enhanced top-end speed by optimizing water flow around the blades.
How does the 14 3/4-inch diameter impact performance?
The 14 3/4-inch diameter provides a larger surface area that effectively grips the water, leading to improved thrust, better planing capabilities, and the ability to carry heavier loads or maintain speed in challenging conditions.
Is this propeller suitable for heavy saltwater use?
Yes, constructed from durable stainless steel, this propeller is designed to withstand the corrosive effects of saltwater and offers superior resistance to impacts from submerged debris, making it ideal for coastal and offshore applications.
What type of boats typically benefit from a 21-inch pitch propeller?
A 21-inch pitch is commonly used on boats that require a balance between acceleration and cruising speed, such as runabouts, ski boats, and certain types of offshore fishing vessels, especially when paired with engines in the 150-300 horsepower range.
How do I determine if this propeller's pitch is correct for my engine and boat combination?
Proper pitch selection depends on your boat's weight, hull design, engine's power band, and desired performance characteristics. Consult your engine manufacturer's recommendations or a marine propulsion specialist for precise guidance to avoid over-propping or under-propping, which can damage your engine.
