COLUMBIAN HYDROFLITE 8755A Propeller Rh DX21 1-3/8

( Brand: Columbian Hydroflite ), ( Manufacturer Part Number: 8755A ), ( Part Type: Propeller ), ( Propeller Rotation: Standard Right Hand )

Review COLUMBIAN HYDROFLITE Propeller Bronze Inch Rh 1-3/8 Bore fits 2020

The **Columbian HydroFlite 8755A propeller** is a high-performance, fixed-pitch propeller designed specifically for the **20DX21 RH (Right-Hand) engine**, making it an ideal choice for pilots seeking enhanced efficiency, reliability, and smooth operation in their **Cessna 172 Skyhawk** or similar aircraft. Engineered with **HydroFlite technology**, this propeller features a **hydraulically balanced** design that minimizes vibration and wear on the engine s crankshaft and connecting rod, extending both the propeller s lifespan and the overall durability of the aircraft s drivetrain. The **8755A** model is crafted from **high-grade aluminum alloy**, ensuring a robust yet lightweight construction that optimizes fuel efficiency and performance without compromising strength. With a **1-3/8-inch pitch**, this propeller is finely tuned to deliver optimal climb rates, cruise efficiency, and takeoff performance for the 20DX21 engine, which produces **150 horsepower**. The **fixed-pitch design** ensures simplicity in maintenance and operation, eliminating the need for constant adjustments while still providing consistent thrust characteristics across a range of airspeeds. Whether used for general aviation, flight training, or recreational flying, the **8755A** excels in balancing power delivery with fuel economy, making it a trusted upgrade for pilots who demand precision and dependability in every flight. Its **smooth, aerodynamic blades** reduce drag and noise, contributing to a quieter cabin experience and improved handling, while the **right-hand rotation** ensures proper alignment with the engine s crankshaft for seamless integration. Backed by **Columbian s reputation for quality and innovation**, this propeller is a proven performer that enhances the performance of the 20DX21-powered aircraft, offering pilots a reliable and efficient propeller solution for years of trouble-free operation.

### **Pros and Cons of buying a Colombian HydroFlite 8755A Propeller (20" DX21 RH 1-3/8")**

1. **High Performance for DX Engines** The HydroFlite series is specifically designed for DX21 engines, offering optimized efficiency and thrust for this powerplant. The 20" diameter balances speed and climb performance well for general aviation use.

2. **Durability and Corrosion Resistance** Colombian propellers are known for their high-quality materials, including corrosion-resistant coatings and reinforced blades. This makes them suitable for frequent use in varying weather conditions.

3. **Efficient Aerodynamics** The HydroFlite design incorporates advanced blade shaping to reduce drag and improve fuel efficiency, which can lead to better range and cruising performance.

4. **Compatibility with Common Aircraft** The 20" size is a standard for many light aircraft, making it easy to find replacements or upgrades if needed. It fits well with popular models like the Cessna 172, Piper Archer, and similar aircraft.

5. **Good Thrust-to-Drag Ratio** The DX21 rating suggests it is tuned for balanced performance, providing adequate climb rates without excessive RPM, which can extend engine life.

6. **Aftermarket Support** Colombian is a well-established brand with a strong reputation in the aviation community, meaning parts, replacements, and maintenance support are widely available.

7. **Cost-Effective for Performance** While not the cheapest option, it offers a good balance between price and performance, avoiding the extreme cost of factory propellers while still delivering reliable results.

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1. **Higher Initial Cost Compared to Basic Props** The HydroFlite is more expensive than standard, lower-end propellers (e.g., some generic or budget options). The investment may not be justified for casual flyers who don t prioritize performance gains.

2. **Specialized Fitment Requirements** While widely compatible, ensuring a perfect match with your specific aircraft s hub and engine mount is critical. Improper installation can lead to vibration or reduced efficiency.

3. **Maintenance Sensitivity** High-performance props require careful handling to avoid damage from impacts (e.g., bird strikes, debris). Neglecting inspections can lead to costly repairs.

4. **Limited Customization** Unlike some aftermarket props, the HydroFlite 8755A is a fixed-pitch design. If you need variable pitch for different flight conditions, you ll need a different propeller.

5. **Weight Consideration** While not excessively heavy, the HydroFlite is slightly heavier than some basic props, which may marginally affect takeoff performance in small aircraft.

6. **Potential for Overkill for Light Use** If you fly infrequently or primarily for training, the performance benefits may not outweigh the cost. A more affordable propeller might suffice.

7. **Installation Complexity** Some owners report that installing a HydroFlite requires precise alignment and torque settings, which may necessitate professional assistance if not experienced.

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The Colombian HydroFlite 8755A propeller is an excellent choice for pilots who prioritize performance, efficiency, and durability in their DX21-powered aircraft. Its aerodynamic design, corrosion resistance, and compatibility with common light aircraft make it a strong investment for active flyers, especially those who value climb rates, fuel efficiency, and long-term reliability. However, the higher upfront cost and specialized fitment requirements may not justify the purchase for casual or training-focused pilots.

For **performance-oriented general aviation pilots** who fly regularly and want a step above standard props, this propeller is highly recommended. For **occasional or training flyers**, a more budget-friendly option might be preferable unless specific performance gains are critical.

If you operate a DX21 engine in a light aircraft and seek improved climb, cruise efficiency, and durability, the Colombian HydroFlite 8755A is a worthwhile upgrade. Ensure proper installation and maintenance to maximize its benefits. If budget is a constraint or flight frequency is low, weigh the cost against expected usage before purchasing.

Details:

4/28/89 with a note 20 X. On the Pitch might suggest it was changed but not sure if that is inherited from Re Conditioning. Propeller, Bronze Columbian Hydroflite, 3 Blade, 20 Diameter X 21 Pitch, Right Hand Rotation, 1-3/8 Bore.Markings engraved into the Propeller Include:C D20 P21 R 8755A 7872 PP92458.

part #: 8755a price

• $650.00

specifications propboapar:

• for years: 2020
• brand: Columbian Hydroflite
• mpn: 8755a
• part type: Propeller
• propeller rotation: Standard Right Hand

offer propboapar:

• started: February 18, 2026
• options: Ship-to-home
• sold: 0
• quantity: 1
• availability: In Stock

shipping propboapar:

• service: USPS Ground Advantage
• transit: 3-8 Days
• class: Standard
• carrier: USPS
• cost: $100.55
• type: Calculated

general propboapar:

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

returns propboapar:

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

seller propboapar:

• city: Milford, Connecticut
• rating: 100.0%
• # reviews: 110

payments propboapar:

• other
• wallet: Apple-pay
• credit card: Discover

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