fits year: 2014–2018.

( Brand: Oj Propeller ), ( Manufacturer Part Number: 14X18 ), ( Part Type: Prop Blade ), ( Country Of Origin: United States )
The **OJ Propeller 14x18 1-1/8" OJ710 Propeller** is a high-performance, precision-engineered propeller designed for maximum efficiency, durability, and versatility across a wide range of electric and internal combustion-powered aircraft, including drones, RC planes, and lightweight fixed-wing models. With a **14-inch diameter and 18-inch pitch**, this propeller strikes an ideal balance between thrust output and RPM management, making it an excellent choice for both beginners and experienced pilots looking to optimize their aircraft s performance. The **1-1/8" pitch** ensures smooth, controlled acceleration while minimizing turbulence, reducing wear on the motor and battery, and enhancing overall flight stability. Crafted from **high-grade, lightweight composite materials**, this propeller is engineered to withstand the demands of high-speed operation without compromising on strength or longevity. Its aerodynamic blade design features **optimized airfoil contours**, which minimize drag and maximize thrust efficiency, allowing for extended flight times and improved climb rates. The **OJ710 series** is renowned for its **precision machining and balanced construction**, ensuring minimal vibration and noise during operation, which translates to a smoother, more enjoyable flying experience. Whether used in **fixed-pitch or adjustable configurations**, this propeller adapts seamlessly to various motor setups, from high-Kv brushless outrunners to traditional internal combustion engines. Its **durable construction** also makes it resistant to warping, cracking, or deformation under heavy loads, making it a reliable investment for pilots who demand both performance and reliability. Ideal for **racing applications, freestyle maneuvers, or long-duration flights**, the OJ710 propeller is a standout choice for those seeking a blend of power, efficiency, and longevity in their aviation equipment.
### **Pros and Cons of buying a OJ Propeller 14x18 (1-1/8) OJ710 Prop (14" x 18" Blade, 1/8 Cup)**
#### **Pros:**1. **High Performance for Electric Aircraft** The 14x18 propeller is designed for electric-powered aircraft, offering a good balance between thrust and efficiency for models in the 10 20 lb weight class. The 1/8 cup pitch provides moderate climb and cruise performance, making it suitable for a variety of electric setups.
2. **Durable Construction** OJ Propeller is a well-known brand in the RC modeling community, known for producing high-quality, lightweight, and durable props. The 710 series is particularly robust, with reinforced blades to handle the stresses of electric motors.
3. **Good Thrust-to-Efficiency Ratio** The 14x18 size is a popular choice for mid-sized electric models, offering a strong thrust output without excessive RPM demands on the motor. This makes it a versatile option for both beginners and experienced pilots.
4. **Compatibility with Common Motors** The 1/8 cup pitch is a standard size that works well with a wide range of brushless motors (e.g., 2204, 2205, 2806, etc.), making it easy to find matching motor and ESC combinations.
5. **Affordable for Its Quality** Compared to some premium propeller brands, OJ Propeller offers a good balance of cost and performance. The 14x18 OJ710 is reasonably priced while still delivering reliable performance.
6. **Easy to Find Replacements** OJ Propeller is widely available through online retailers, hobby shops, and even aftermarket sellers, ensuring that spare blades are easy to obtain if needed.
7. **Good for Training and General Flying** The moderate pitch makes it suitable for training planes, park flyers, and models that require a balance of climb and cruise performance without excessive power demands.
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#### **Cons:**1. **Not Ideal for High-Power or Heavy Models** While the 14x18 works well for mid-sized electric models, it may struggle with very high-power setups (e.g., 100 Nm motors) or heavier aircraft (20 lb). In such cases, a larger or more aggressive propeller (e.g., 16x10 or 16x12) might be needed for optimal performance.
2. **Limited for Racing or High-Speed Applications** If you're flying a high-speed or racing model, the 1/8 cup pitch may not provide enough thrust at high RPMs. A more aggressive propeller (e.g., 1/4 cup or 3/8 cup) would be better suited for such applications.
3. **Potential for Blade Wear Over Time** Like all props, the OJ710 will eventually wear down, especially if flown in rough conditions or with improper motor tuning. Replacement blades may be needed after extended use.
4. **Requires Proper Tuning** To get the best performance, the propeller must be matched correctly with the motor, ESC, and battery. Mismatching (e.g., using a 1/8 cup prop on a motor that s too weak) can lead to poor efficiency or excessive wear.
5. **Not as Lightweight as Some Alternatives** While durable, the OJ710 is slightly heavier than some premium carbon-fiber props (e.g., APC or Gemfan). This may not be a major issue for most models but could matter in ultra-lightweight or high-performance setups.
6. **Limited Customization Options** Unlike some brands that offer multiple pitch or diameter options, the OJ710 is a fixed-size propeller. If your model s performance isn t ideal, you may need to switch to a different propeller entirely.
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### **Conclusion and Recommendation**
The **OJ Propeller 14x18 (1-1/8) OJ710** is a solid, reliable choice for electric RC aircraft in the mid-weight range (10 20 lb). It strikes a good balance between thrust, efficiency, and durability, making it suitable for general flying, training, and park models. Its affordability and widespread availability also add to its appeal.
**Recommendation:**- **Buy it if:** You re flying a mid-sized electric model (e.g., 12 18 lb) that doesn t require extreme performance, you want a durable and cost-effective propeller, or you re looking for a versatile option for general use.
- **Consider alternatives if:** You re flying a high-power or heavy model (where a larger/different pitch prop may be needed), a racing or high-speed aircraft (where a more aggressive prop would be better), or an ultra-lightweight setup (where a lighter carbon-fiber prop might be preferable).
For most hobbyists flying standard electric models, the OJ710 is a **highly recommended purchase** due to its reliability, performance, and value. However, always ensure it s properly matched with your motor and battery setup for optimal results.
Please view photos, sold as is. Used but very good shape, pics show all sides of prop, no noticeable damage, or flaws. OJ Prop 14 x 18 4 Blade Propeller with a 1/8 cup, OJ710.