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  3. CONTINENTAL O470-11B

CONTINENTAL O470-11B Bendix Magnetos

O470-11b Continental With Bendix Magnetos

( Brand: Continental ), ( Manufacturer Part Number: O470-11B ), ( Part Type: Magneto )

Review CONTINENTAL Bendix Magnetos

The Continental O-470-11B Bendix Magneto is a robust and precision-engineered ignition system designed to deliver reliable, high-performance spark generation for vintage and classic aircraft engines, particularly those powered by inline-four cylinder configurations. This magneto, a staple in aviation for decades, embodies Continental s legacy of innovation and durability, offering a self-contained, battery-free ignition solution that ensures consistent and powerful spark delivery under demanding conditions. Built with a cast aluminum housing, the O-470-11B features a robust Bendix-type distributor mechanism, which is renowned for its simplicity and reliability, eliminating the need for external electrical components while maintaining exceptional performance. The magneto operates on the principle of electromagnetic induction, converting mechanical energy from the engine s camshaft into high-voltage electrical impulses that ignite the fuel-air mixture in the cylinders with precision and consistency. This design not only enhances engine efficiency but also reduces the risk of misfires, which is critical for both performance and safety in flight.

At the heart of the O-470-11B is its advanced coil system, which generates the high-voltage output required to reliably ignite the spark plugs even under extreme conditions, such as high altitudes or rapid engine changes. The magneto is equipped with a dual-coil configuration, ensuring redundancy and redundancy in spark generation, which is particularly valuable in critical flight scenarios. The Bendix distributor within the unit features a high-quality cam and contact breaker assembly, meticulously calibrated to provide optimal timing and spark advance, tailored to the specific requirements of inline-four engines. This attention to detail ensures smooth operation and minimizes wear, contributing to the magneto s longevity and dependability.

The O-470-11B is engineered with a robust mounting system, designed to withstand the vibrations and stresses inherent in aircraft operation. Its compact yet sturdy construction allows for easy integration into the engine bay, while its durable materials including high-grade steel and corrosion-resistant coatings ensure resistance to the harsh environments encountered in aviation. This magneto is compatible with a wide range of classic aircraft engines, including those from manufacturers like Lycoming and Continental, making it a versatile and sought-after component for restoration and maintenance projects. Whether used in a restored vintage aircraft or as a replacement in a modern classic, the O-470-11B delivers the performance and reliability that pilots and mechanics have come to expect from Continental s legendary ignition systems.

For enthusiasts and professionals alike, the Continental O-470-11B Bendix Magneto represents a blend of timeless engineering and cutting-edge functionality. Its ability to operate independently of the aircraft s electrical system ensures that pilots can rely on it in all conditions, from ground operations to high-altitude flight. With its reputation for durability and precision, this magneto continues to be a cornerstone of aviation ignition technology, embodying the spirit of innovation that has defined Continental s contributions to the field of flight.

**Pros and Cons of Buying Continental O470-11B Bendix Magnetos**

The Continental O470-11B Bendix magneto is a widely used component in aircraft engines, particularly in models like the Lycoming O-320, O-360, and IO-360 series. Below is a detailed breakdown of its advantages and disadvantages.

### **Pros**

1. **Proven Reliability** The Bendix magneto system has been in use for decades and is known for its durability in aviation applications. Many aircraft still operate with original or refurbished Bendix magnetos, demonstrating their long-term reliability.

2. **High Performance** The O470-11B is designed to provide consistent ignition timing and spark strength, which is critical for smooth engine operation, especially in high-performance or high-altitude applications.

3. **Compatibility** It is specifically engineered for Continental engines, ensuring proper fitment and functionality without requiring extensive modifications.

4. **Easy Maintenance** Bendix magnetos are relatively straightforward to service. They can be overhauled or rebuilt by qualified mechanics, and replacement parts (such as points, condensers, and rotors) are widely available.

5. **Redundancy** Aircraft typically have two magnetos (left and right), providing backup ignition in case one fails. This dual-system design enhances safety.

6. **Aftermarket Support** Due to their widespread use, Continental O470-11B magnetos are well-supported by aviation repair stations, distributors, and online communities. Troubleshooting guides, repair manuals, and replacement components are readily accessible.

7. **Cost-Effective for Long-Term Use** While the initial cost may be higher than some alternatives, their longevity and reliability can make them cost-effective over time, especially in older aircraft where replacement is necessary.

8. **Standardization** Many older aircraft and engines rely on Bendix magnetos, so purchasing one ensures compatibility without the need for custom solutions.

### **Cons**

1. **Age and Obsolescence** Bendix magnetos are an older technology, relying on mechanical points and condensers rather than electronic ignition systems. This can lead to wear and tear over time, requiring more frequent maintenance.

2. **Maintenance Intensity** Unlike modern electronic ignition systems, Bendix magnetos require periodic adjustments, such as gap setting, point cleaning, and condenser replacement. Neglecting maintenance can lead to misfires or complete failure.

3. **Limited Lifespan** While durable, Bendix magnetos are not designed for indefinite use. They typically last around 1,000 2,000 hours before requiring an overhaul or replacement, depending on usage and maintenance.

4. **Higher Initial Cost** Compared to some modern electronic ignition systems, the O470-11B can be more expensive upfront, especially if purchasing new or from a reputable supplier.

5. **Dependence on Mechanical Components** The reliance on moving parts (such as the rotor, distributor, and points) means they are more susceptible to failure from contamination, corrosion, or mechanical wear.

6. **Training and Expertise Required** Servicing Bendix magnetos requires specialized knowledge. Mechanics unfamiliar with older ignition systems may struggle with repairs, potentially increasing downtime and costs.

7. **Environmental Sensitivity** Moisture, vibration, and fuel contamination can affect performance. Proper sealing and regular inspections are necessary to prevent issues.

8. **Limited Availability of New Units** While still available, new O470-11B magnetos may be harder to source compared to other aviation parts, making refurbished or used units more common.

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### **Conclusion**

The Continental O470-11B Bendix magneto remains a robust and dependable choice for aircraft engines, particularly in older or classic models where mechanical ignition systems are standard. Its reliability, compatibility, and widespread support make it a practical option for many pilots and mechanics. However, its mechanical nature demands regular maintenance and attention to detail, which may not suit operators seeking low-maintenance solutions.

For aircraft owners considering this magneto, the decision should weigh the benefits of proven performance against the drawbacks of increased maintenance requirements. If the aircraft is already equipped with Bendix magnetos or if you operate in an environment where electronic ignition is not feasible, the O470-11B is a sound investment. For newer aircraft or those transitioning to modern systems, evaluating alternatives like electronic ignition units may be more advantageous in the long run.

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### **Recommendation**

If you are maintaining an older aircraft with a Continental engine and have access to qualified mechanics for regular servicing, purchasing the **Continental O470-11B Bendix magneto** is a reasonable choice. Ensure you source it from a reputable supplier (such as an FAA-approved repair station or a trusted aviation parts distributor) to guarantee quality and authenticity.

For new installations or aircraft where reliability and low maintenance are priorities, consider consulting with an aviation engineer to explore modern electronic ignition alternatives. However, if you value the simplicity and proven track record of mechanical ignition, the O470-11B remains a dependable option.

Always prioritize regular inspections, proper storage, and adherence to maintenance schedules to maximize the lifespan and performance of the magneto.

Details:

Continental Gold Seal O470-11B past TBO with Bendix S6LN-21 magnetos. Ran well when removed from actively flying aircraft. Includes military shipping can.

part #: o47011b prices

  • $29.00-$835.95

specifications engineaviatio:

  • brand: Continental
  • mpn: O470-11b
  • part type: Magneto

general engineaviatio:

  • condition: Used
  • Aviation Parts Accessories > Engines > Engine Components

seller engineaviatio:

  • city: Kennesaw, Georgia
  • rating: 0.0%
  • # reviews: 19

shipping engineaviatio:

  • type: Calculated
  • carrier: USPS
  • service: USPS Ground Advantage
  • class: Standard
  • cost: $11.23
  • transit: 6-11 Days

returns engineaviatio:

  • policy: No Returns

offer engineaviatio:

  • availability: In Stock
  • options: Ship-to-home
  • started: March 4, 2026
  • sold: 0
  • quantity: 1

payments engineaviatio:

  • credit card: Mastercard
  • other
  • wallet: Google-pay
part type: magneto,
category: auto parts > aviation parts accessories > engines > engine components, sku: 8344405322482853,
Continental O470-11B Is Similar To:
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2 offers $29.00–$835.95 USD
  • Remanufactured. Offer #1 priced at $29.00 + $13.50 shipping estimate = $42.50* total. Continental Aircraft Piston P/N 539796 O-470 11B.+$13.50 shipping
  • Used. Offer #2 priced at $835.95 + $Calculated shipping estimate = $835.95* total. Manufacturer : Continental Part Number : T103668.+$Calculated shipping

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