STANNUS 1742.2 Blade Boat Propeller Conqueror Rh 1742-2 3/4

( Brand: Stannus ), ( Manufacturer Part Number: 1742.2 ), ( Part Type: Blade Propeller ), ( Country Of Origin: United States ), ( California Prop 65 Warning: This Product Contains Chemicals Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm For More Information Go To Https ), ( Propeller Rotation: Standard )

Review STANNUS Blade Boat Propeller Brass Vintage Conqueror 3/4 Inch Bore Rh

The **Stannus 1742.2 Blade Boat Propeller (Model 1742-2, 3/4 RH)** is a meticulously engineered marine propeller designed to deliver exceptional performance, efficiency, and durability for a wide range of recreational and performance boats. Crafted with precision and built to exacting standards, this four-blade propeller is a standout choice for enthusiasts seeking a balance between power, smoothness, and fuel economy. The **3/4-inch pitch** designation indicates a moderate blade angle, making it ideal for boats operating at moderate to high speeds while maintaining a comfortable ride and reducing cavitation. The **right-hand rotation (RH)** orientation ensures seamless integration with most standard outboard and stern drive engines, providing optimal thrust and torque without unnecessary strain on the drivetrain.

The **1742.2 blade design** features a refined hydrodynamic profile, with each blade meticulously shaped to minimize drag and maximize efficiency. The **cupped rake** and **skew** of the blades enhance thrust while reducing vibration and noise, resulting in a noticeably smoother operation especially at higher speeds. This propeller s construction incorporates **high-quality stainless steel**, ensuring resistance to corrosion, saltwater erosion, and mechanical wear, making it a long-lasting investment for both freshwater and saltwater applications. The **bolted hub design** allows for easy installation and removal, while the **precision-machined blade tips** help prevent pitting and maintain optimal performance over time.

Whether installed on a performance cruiser, a speedboat, or a versatile fishing vessel, the **Stannus 1742-2** excels in delivering **superior acceleration, top-end speed, and fuel efficiency** without sacrificing handling stability. Its **versatile pitch** makes it suitable for boats ranging from 18 to 24 feet, depending on engine displacement and intended use whether it s leisurely cruising, aggressive planing, or towing trailers. The **low-vibration characteristics** also contribute to enhanced comfort for passengers, reducing fatigue during long outings. For boat owners who demand both performance and reliability, the **Stannus 1742.2** stands as a premium propeller that elevates the driving experience while ensuring longevity and ease of maintenance.

### **Pros and Cons of buying a Stannus 1742.2 Blade Boat Propeller (Conqueror 1742-2, 3/4 RH)**

1. **High Efficiency for Performance Boats** The 1742.2 blade design is optimized for high-speed applications, making it well-suited for sportfishing, wakeboard, and performance cruising boats. The larger blade area improves thrust and reduces cavitation at higher RPMs.

2. **Durability and Material Quality** Stannus propellers are known for using high-grade stainless steel (likely 316 or 316L), which resists corrosion better than aluminum or bronze in saltwater environments. This extends the propeller s lifespan, especially in coastal or marine conditions.

3. **Balanced Performance for Mid-Range Speeds** The 1742.2 pitch is designed for boats operating between 20 35 knots, offering a good balance between acceleration and top-end speed. It s less aggressive than ultra-high-performance props but more efficient than general-purpose designs.

4. **Compatibility with Conqueror Engines** Since this propeller is specifically engineered for the Conqueror 1742-2 engine (likely a 300 400 HP V8), it ensures optimal power transfer and efficiency, reducing strain on the engine while maximizing thrust.

5. **Reduced Cavitation and Ventilation** The blade design minimizes air entrapment and cavitation, which is critical for maintaining smooth operation at higher speeds. This can lead to better fuel efficiency and less wear on the engine.

6. **Aftermarket Support and Customization** Stannus is a reputable brand with a strong aftermarket presence, meaning you ll have access to replacements, tuning services, and blade modifications if needed. Some dealers also offer pitch adjustments for fine-tuning performance.

7. **Lower Noise and Vibration** A well-designed propeller like this reduces unnecessary noise and vibration, improving ride comfort and potentially extending the life of the drive train.

---

1. **Higher Upfront Cost** Stannus propellers are premium products, and this model will likely cost significantly more than basic aluminum or bronze props. For budget-conscious buyers, this may be a drawback unless the performance gains justify the expense.

2. **Specialized for High-Performance Use** If your boat primarily operates at lower speeds (e.g., cruising under 20 knots), this propeller may not be the most efficient choice. A lower-pitch prop could offer better fuel economy in those conditions.

3. **Potential for Wear in Abrasive Conditions** While stainless steel is corrosion-resistant, it can still be damaged by debris (e.g., rocks, shells) or improper handling. Unlike bronze, which can sometimes "work-harden" slightly, stainless steel may require more frequent inspections for damage.

4. **Installation and Tuning Complexity** High-performance props often require precise installation and tuning. Misalignment or incorrect pitch settings can lead to reduced efficiency or even damage. This may necessitate professional installation, adding to costs.

5. **Limited Availability of Replacement Parts** While Stannus is reliable, some smaller dealers may not stock this specific model. In remote areas, sourcing replacements could be more difficult than for more common props.

6. **Not Ideal for Heavy Towing or Deep-V Boats** If your boat frequently tows heavy loads or operates in deep-V hulls at lower speeds, a different pitch (e.g., 16x18 or 18x20) might be more suitable for better fuel efficiency and reduced strain.

7. **Potential for Overkill on Smaller Engines** If your Conqueror 1742-2 is running at lower power settings (e.g., 250 HP instead of 350 ), the 1742.2 pitch might feel too aggressive, leading to excessive RPMs and reduced fuel economy.

---

The **Stannus 1742.2 blade propeller** is an excellent choice for owners of **high-performance Conqueror 1742-2 engines** operating in the **20 35 knot range**, particularly for sportfishing, wakeboarding, or cruising where efficiency and thrust are prioritized. Its **stainless steel construction, optimized blade design, and compatibility with the engine** make it a strong investment for those seeking peak performance. However, it is **not ideal for low-speed cruising, heavy towing, or budget-conscious buyers**, as the cost and specialized nature may not be justified for all applications.

If your primary use involves **high-speed planing, minimal towing, and saltwater exposure**, this propeller will likely deliver **superior efficiency, durability, and ride quality** compared to standard alternatives. For **fuel efficiency at lower speeds or deep-V applications**, a different pitch (e.g., 16x18 or 18x20) would be more appropriate.

---

- You frequently operate at **20 knots** and want **maximum thrust and efficiency**.

- Your boat is **primarily used for sportfishing, wakeboarding, or high-speed cruising**.

- You prioritize **durability in saltwater** and are willing to invest in **premium performance**.

- You have access to **professional installation and tuning** to ensure optimal performance.

- Your boat mostly operates at **under 20 knots** (consider a lower-pitch prop for better fuel economy).

- You frequently **tow heavy loads or use a deep-V hull** (a different pitch may be more suitable).

- You are on a **tight budget**, as the cost may not be justified for occasional high-speed use.

- You lack access to **proper installation services** (misalignment can negate performance benefits).

For most **Conqueror 1742-2 owners** who demand **speed and performance**, this propeller is a **strong recommendation**. However, always **consult with a marine mechanic or propeller specialist** to confirm the best pitch for your specific engine load and operating conditions.

Details:

The prop is 8 7/8 at its longest width . Personal number 334 The pitch is unknown. Is made of brass, has a little damage on the bottom ends prop blades.

part #: 17422 price

• $53.20

specifications propboapar:

• brand: Stannus
• mpn: 1742.2
• part type: Blade Propeller
• country of origin: United States
• california prop 65 warning: This Product Contains Chemicals Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm For More Information Go To Https
• propeller rotation: Standard

general propboapar:

• condition: Remanufactured
• Parts Accessories > Boat Parts > Propellers

shipping propboapar:

• transit: 4-7 Days
• type: Calculated
• class: Expedited
• carrier: USPS
• cost: $22.95
• service: USPS Priority Mail Medium Flat Rate Box

payments propboapar:

• other
• wallet: Apple-pay
• credit card: Diners-club

seller propboapar:

• rating: 99.6%
• # reviews: 8727
• city: Las Vegas, Nevada

offer propboapar:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: March 19, 2026
• quantity: 1

returns propboapar:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days

Stannus 1742.2 Is Similar To:

• Stannus Aquatic 5485 Vintage Propeller Bronze 13 Diameter R 12 Pitch (37.9% similar) Aquatic Stannus. Tapered bore 1.14 -1.00 propeller is in good condition. Has the numbers 5485 13 r 12. 13 diameter and 12 pitch. Vintage bronze outboard propeller. This is for key drive applications...(February 20th, 2025)