Description
11 1/2 X 13 A3r Prop Uncupped | Boat Supply Store
This MICHIGAN WHEEL A3r series propeller is engineered to deliver optimized thrust and efficiency for mid-range outboard applications. Its 11 1/2 inch diameter and 13 inch pitch configuration are precisely balanced for superior hole shot and cruise speed performance, particularly beneficial for vessels operating in shallow Texas bay systems where efficient acceleration is critical. The uncupped blade design allows for maximum blade area utilization, translating directly into enhanced performance and fuel economy for boats requiring responsive acceleration.
Key Features
- Optimized thrust for mid-range outboards
- Precise 11 1/2 inch diameter and 13 inch pitch
- Efficient hole shot and cruise speed capability
- Uncupped blade design for maximum area
- Durable aluminum construction
- Engineered for specific performance envelopes
- Direct replacement for specified applications
- Designed for responsiveness
Specifications
| Product Specifications | |
|---|---|
| Diameter | 11 1/2 inches |
| Pitch | 13 inches |
| Blade Count | 3 |
| Material | Aluminum |
| Cupping | Uncupped |
Who This Is For
Boaters operating mid-range outboard engines seeking to enhance acceleration and cruising efficiency. This propeller is ideal for owners of smaller fishing boats or runabouts that require a responsive propulsion system.
How It Compares
| Feature | 11 1/2 X 13 A3r Prop Uncupped | QUICKSILVER |
|---|---|---|
| Diameter | 11 1/2 inches | 11 1/2 inches |
| Pitch | 13 inches | — |
| Blade Count | 3 | 3 |
| Material | Aluminum | Aluminum |
| Cupping | Uncupped | Uncupped |
Common Concerns Answered
Will this propeller fit my outboard motor?
This 11 1/2 X 13 A3r Uncupped propeller is designed for specific outboard motor applications. Verify your engine's recommended propeller specifications to ensure compatibility before purchasing.
What is the advantage of an uncupped propeller?
An uncupped propeller blade maximizes blade area, leading to improved acceleration and grip during aggressive maneuvers or in shallow water conditions. This design is beneficial for boats requiring quick planing.
How durable is an aluminum propeller?
Aluminum propellers offer a good balance of performance and cost-effectiveness. While they are susceptible to damage from submerged objects, they are generally robust for standard operational use and can be repaired.
Frequently Asked Questions
What is the primary application for an 11 1/2 X 13 propeller?
This propeller size is typically suited for mid-range outboard engines (e.g., 50-100 HP range) on smaller to medium-sized recreational boats, enhancing performance for activities like watersports or general cruising.
How does the pitch affect boat performance?
A 13-inch pitch indicates that for each revolution of the propeller, the boat theoretically moves forward 13 inches. A lower pitch generally aids in faster acceleration, while a higher pitch can increase top-end speed.
Is propeller material important for my vessel?
Aluminum is a common and effective material offering good performance and value. For high-performance applications or environments with frequent debris, stainless steel might be considered, but aluminum is suitable for this A3r model.
What does 'A3r' signify in the product name?
'A3r' likely denotes a specific series or design iteration from MICHIGAN WHEEL, often indicating a particular blade geometry, material composition, or performance tuning.
Can this propeller be used in saltwater environments?
Yes, aluminum propellers are suitable for saltwater use, provided they are properly maintained and rinsed after exposure to reduce corrosion. Regular inspection for damage is also advised.
