fits year: 2015.

( Brand: Signature Propellers ), ( Manufacturer Part Number: OS35R5N15 ), ( Part Type: Blade ), ( Propeller Rotation: Standard ), ( Country Of Origin: United States )
The **OS35R5N15 Propeller Blade Set** from the Cleaver line is a high-performance marine propulsion solution engineered for durability, efficiency, and adaptability across a wide range of recreational and light-duty powerboat applications. Designed with a **14 3/4-inch diameter** and a **35-inch pitch**, this fixed-pitch propeller set strikes an optimal balance between speed and torque, making it ideal for boats ranging from sleek speedsters to versatile fishing or utility vessels. The **R5N15 rake** designation indicates a moderate forward blade angle (5 degrees) combined with a 15-degree cup angle, which enhances thrust efficiency while reducing cavitation and vibration critical factors for smooth operation in both calm waters and choppy conditions. Crafted from **high-grade stainless steel**, these blades are precision-machined to resist corrosion, pitting, and wear, ensuring long-term reliability even in saltwater environments where degradation is a common concern. The **cleaver-style blade design** features a broad, flat leading edge that excels at breaking through waves and maintaining consistent power delivery, while the slightly concave trailing edge promotes cleaner water flow, reducing drag and improving fuel economy. Whether installed on a center console, bowrider, or small cabin cruiser, this propeller set delivers a robust blend of acceleration, towing capacity, and maneuverability, making it a versatile choice for anglers, weekend cruisers, or those seeking a balance between performance and ease of use. Built to meet or exceed industry standards, the OS35R5N15 is a testament to modern propeller engineering, offering a proven combination of strength, efficiency, and adaptability for a variety of boating needs.
### **Pros and Cons of buying a Propeller OS35R5N15 Set (Blade: Cleaver 14-3/4", 35 Rake, 15 Pitch)**
#### **Pros:**1. **High Performance for Fishing Boats** The **OS35R5N15** is designed for fishing applications, particularly in **planing hulls and center consoles**, where it excels in speed and fuel efficiency. The **35 rake** and **15 pitch** combination provides a good balance between acceleration and cruising performance.
2. **Durability and Material Quality** The **Cleaver 14-3/4" blade** is made from **marine-grade aluminum**, which is resistant to corrosion and wear. The **OS (Optimized Surface) finish** reduces friction, improving efficiency and longevity.
3. **Efficient for Medium-Sized Engines** This propeller is well-suited for **30 50 HP outboards** (depending on engine type and boat weight), making it a solid choice for **fishing boats, bass boats, and small cruisers**. It handles well in **moderate to high-speed applications** without excessive cavitation.
4. **Good for Planing and Cruising** The **35 rake** helps with **quick acceleration**, while the **15 pitch** ensures smooth cruising without excessive RPM. This makes it versatile for both **trolling and high-speed fishing runs**.
5. **Compatibility with Common Engines** The **35" diameter** fits a wide range of **30 50 HP outboards** (e.g., Yamaha, Mercury, Suzuki, Evinrude). It s a **standard-sized propeller**, so finding replacements or upgrades is relatively easy.
6. **Reduces Fuel Consumption** The **optimized blade design** minimizes drag, helping improve **fuel efficiency** compared to older or less efficient propellers.
7. **Good for Shallow Water Use** The **moderate pitch** prevents excessive RPM in shallow water, reducing the risk of **cavitation damage** to the engine.
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#### **Cons:**1. **Not Ideal for Deep-V or Heavy-Loading Boats** If you frequently tow **large fish, heavy loads, or deep-V hulls**, this propeller may struggle with **low-speed maneuverability** due to its **moderate pitch**. A **lower pitch (e.g., 12 14 )** might be better for **slow-speed control**.
2. **Limited Performance in Extreme Conditions** In **very rough water or high winds**, the **35 rake** can cause **excessive wake and spray**, reducing comfort. A **lower rake (e.g., 30 )** might be more stable in choppy conditions.
3. **Potential for Cavitation at High Speeds** If used in **very high-speed applications (e.g., 40 mph)**, the **15 pitch** may lead to **cavitation** if the engine is pushed too hard. A **higher pitch (e.g., 18 )** could be better for **high-speed planing**.
4. **May Not Be Optimal for Trolling** If you spend **most of your time trolling at low speeds**, a **lower pitch (e.g., 10 12 )** would provide **better slow-speed efficiency** and **easier maneuvering**.
5. **Price Consideration** While not extremely expensive, **OS propellers** are generally **more costly than standard propellers** due to their **optimized design and durability**. If you're on a tight budget, a **basic aluminum propeller** might suffice for light fishing use.
6. **Requires Proper Installation** Like all propellers, **misalignment or incorrect installation** can lead to **vibration, reduced performance, or damage**. Ensuring the **propeller is properly balanced and mounted** is crucial.
7. **Not Suitable for Very Small or Very Large Engines** If your engine is **below 30 HP**, the **35" diameter** may be **too large**, causing **excessive RPM and poor efficiency**. Conversely, if your engine is **above 50 HP**, a **larger or higher pitch propeller** might be needed for optimal performance.
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### **Conclusion:**The **OS35R5N15 propeller** is an **excellent choice** for **fishing boats, center consoles, and medium-sized planing hulls** where **speed, fuel efficiency, and durability** are priorities. Its **35 rake and 15 pitch** provide a **good balance between acceleration and cruising**, making it versatile for **both trolling and high-speed fishing**.
However, if your **primary use involves heavy towing, deep-V hulls, or extreme slow-speed maneuvering**, a **different pitch or rake** (e.g., **lower pitch for towing, higher pitch for speed**) might be more suitable. Additionally, if you frequently operate in **rough water or at very high speeds**, a **modified design** could improve comfort and performance.
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### **Recommendation:** - **Buy this propeller if:**- You have a **30 50 HP outboard** on a **planing hull or center console**.
- You need a **balance of speed and fuel efficiency** for **fishing and cruising**.
- You want a **durable, low-maintenance propeller** with **good performance in moderate conditions**.
- **Consider alternatives if:**- You **frequently tow heavy loads** (opt for a **lower pitch, e.g., 12 14 **).
- You **prefer deep-V hulls or slow-speed control** (look for a **lower rake, e.g., 30 **).
- You **push your boat to very high speeds** (a **higher pitch, e.g., 18 ** may be better).
- You **operate in rough water** (a **lower rake** reduces spray and improves stability).
**Final Verdict:** The **OS35R5N15 is a strong, reliable choice** for most **fishing and recreational boating needs**, but **engine size, hull type, and intended use** should guide whether it s the **perfect fit** or if adjustments are needed. If you're unsure, **consulting a marine mechanic or propeller specialist** before purchasing can help ensure the best match for your setup.
Signature 5 Blade Cleaver, Propeller Is Ready To Go Same Day Shipping M-F, Cleaver 14-3/4 X 35 15 Rake L and R. Used Set of Signature 400 Cleavers, 15 Degree Rake in Great Condition.