Description
14.25 X 14.5 N4L Prop | Boat Supply Store
This 14.25 x 14.5 N4L propeller from Johnson Propeller Co., Inc. is engineered to deliver superior thrust and efficiency for gasoline outboard engines.
Key Features
- Optimized for superior hole shot and mid-range acceleration
- Durable aluminum construction for extended service life
- Precision-engineered for efficient fuel consumption
- 14.25" diameter for optimal blade surface area
- 14.5" pitch for effective power transfer
- N4L configuration for enhanced hydrodynamic performance
- Designed to reduce vibration for a smoother ride
- Direct replacement for common OEM applications
Specifications
| Product Specifications | |
|---|---|
| Diameter | 14.25 inches |
| Pitch | 14.5 inches |
| Blade Count | 4 |
| Material | Aluminum |
| Shaft Diameter | 1 1/8 inches |
Who This Is For
Boaters seeking to replace a worn or damaged propeller on their gasoline outboard engine. This propeller is ideal for those prioritizing improved acceleration and efficiency across various marine environments.
How It Compares
| Feature | 14.25 X 14.5 N4L Prop | Not Specified |
|---|---|---|
| Diameter | 14.25 inches | Typically less capable |
| Pitch | 14.5 inches | Typically less capable |
| Blade Count | 4 | Typically less capable |
| Material | Aluminum | Typically less capable |
Common Concerns Answered
Will this propeller fit my specific outboard engine model?
This propeller is designed for engines requiring a 1 1/8 inch prop shaft and matches the specified diameter and pitch. Always verify your engine's OEM propeller specifications and shaft size before purchasing.
How durable is an aluminum propeller compared to stainless steel?
Aluminum propellers offer a cost-effective solution and are generally more resistant to impact damage than stainless steel, though they may require replacement more frequently due to erosion or bends over time.
What is the benefit of a 4-blade propeller?
Four-blade propellers typically offer improved acceleration, better hole shot performance, and reduced vibration compared to three-blade designs, making them suitable for heavier loads or watersports.
Frequently Asked Questions
What does 'N4L' signify in this propeller's designation?
'N4L' refers to the specific blade design and pitch configuration of this propeller, indicating a particular performance characteristic developed by Johnson Propeller Co., Inc.
How does propeller pitch affect boat performance?
Propeller pitch determines the distance the propeller would move forward in one revolution. A higher pitch generally results in higher top speeds but can reduce acceleration, while a lower pitch enhances acceleration but may limit top speed.
Is this propeller suitable for saltwater use?
While constructed from aluminum, propellers used in saltwater environments should be regularly inspected and cleaned to prevent corrosion and electrolysis. Proper maintenance is crucial for longevity.
What is the significance of the 1 1/8 inch shaft size?
The 1 1/8 inch shaft size specifies the diameter of the propeller's bore, which must precisely match the diameter of your engine's prop shaft for secure and correct installation.
How do I determine if a 14.25 x 14.5 propeller is the correct size for my boat?
Consult your boat's owner's manual or the manufacturer's specifications for recommended propeller diameter and pitch. An undersized or oversized propeller can negatively impact engine performance and fuel efficiency.
