Description
14x19 Qdib A3r Prop 40-140hp | Boat Supply Store
This 14x19 pitch aluminum propeller from Polaris is engineered to optimize thrust and efficiency for outboard engines ranging from 40 to 140 horsepower. Its A3r blade design with QDIB technology ensures superior cavitation resistance and enhanced hole shot performance, critical for quick acceleration when pulling skiers or loading heavy gear. This propeller is ideal for aluminum bass boats or center consoles operating in Texas reservoirs where rapid planing is essential for reaching prime fishing spots quickly.
Key Features
- Optimized for Acceleration: QDIB design provides superior hole shot performance.
- Enhanced Efficiency: A3r blade geometry maximizes thrust output.
- Durable Construction: High-quality aluminum alloy withstands marine environments.
- Corrosion Resistance: Engineered to resist saltwater and freshwater degradation.
- Precision Fitment: Manufactured to exact specifications for reliable engine mating.
- Reduced Vibration: Balanced design promotes smoother operation.
- Cavitation Resistance: QDIB technology minimizes ventilation for consistent power.
- Wide Application Range: Suitable for 40-140hp outboard motors.
Specifications
| Product Specifications | |
|---|---|
| Diameter | 14 inches |
| Pitch | 19 inches |
| Blade Count | 3 |
| Material | Aluminum |
| Hub Type | QDIB |
Who This Is For
Boaters with 40-140hp outboard motors seeking to improve acceleration and top-end speed. This propeller is especially beneficial for owners of aluminum bass boats or smaller recreational craft requiring efficient planing.
How It Compares
| Feature | 14x19 Qdib A3r Prop 40-140hp | Mercury Marine |
|---|---|---|
| Propeller Diameter | 14 inches | — |
| Propeller Pitch | 19 inches | — |
| Blade Count | 3 | 3 |
| Material | Aluminum | Aluminum |
| Hub System | QDIB | Flo-Torq II |
Common Concerns Answered
Will this propeller fit my specific outboard motor model?
This propeller is designed for outboard engines between 40-140 horsepower. Always verify your engine's horsepower rating and propeller shaft spline count for exact compatibility before purchase. Refer to your outboard's manual for specific propeller recommendations.
How does the QDIB hub system differ from standard hubs?
The QDIB (Quick Detach Insert Bushing) hub system is designed for simplified propeller installation and removal, often with enhanced durability and resistance to spinning under extreme loads compared to older, less sophisticated hub designs.
Is this propeller suitable for saltwater use?
While constructed from durable aluminum, regular rinsing with fresh water and proper maintenance are recommended to maximize longevity in saltwater environments and prevent corrosion.
Frequently Asked Questions
What is the primary benefit of the A3r blade design?
The A3r blade design is engineered to provide improved hydrodynamic efficiency, leading to better fuel economy and increased speed for a given horsepower output.
How does propeller pitch affect boat performance?
Propeller pitch determines how far the propeller moves forward with each rotation; a 19-inch pitch moves the boat approximately 19 inches per revolution, impacting acceleration and top speed.
What is the significance of the 14-inch diameter?
The 14-inch diameter, in conjunction with the 19-inch pitch, defines the propeller's overall blade area and is optimized for the power band of 40-140hp outboards to achieve effective thrust.
Can I use this propeller on a 2-stroke or 4-stroke engine within the specified range?
This propeller is generally compatible with both 2-stroke and 4-stroke engines in the 40-140hp range, provided the gearcase and shaft spline count match the QDIB hub system's requirements.
What is the typical performance gain expected with this propeller upgrade?
Performance gains vary significantly based on the specific boat hull, engine condition, and current propeller. However, users often report improved acceleration, better mid-range cruising, and a slight increase in top-end speed with an appropriately matched propeller.