ROTAX 3980470 Aircraft Engine

( Brand: Rotax ), ( Manufacturer Part Number: 3980470 ), ( Part Type: Engine )

Review ROTAX Aircraft Engine fits 503

Detailed Product Description for Rotax 3980470 503 Aircraft Engine

The Rotax 3980470 503 Aircraft Engine is a high-performance, four-stroke, horizontally opposed, two-cylinder powerplant designed for light aircraft and experimental aviation applications. This engine is part of Rotax's renowned 912 series, known for their reliability, efficiency, and power.

The Rotax 3980470 503 boasts a displacement of 801 cc and a maximum power output of 50 hp at 5000 rpm. It features a dry sump lubrication system for improved oil capacity and a reduction in weight, as well as a continuous magnesium engine case for enhanced durability and reduced overall engine weight.

This engine is equipped with a fuel-injected system for optimal combustion, ensuring a cleaner burn and improved fuel efficiency. The Rotax 3980470 503 also incorporates a dual-ignition system with electronic ignition for reliable starting in all weather conditions.

The engine's reduction gearbox has a low overall reduction ratio of 2.35:1, providing ample power for takeoff and climb while maintaining a reasonable propeller speed for efficient cruise.

The Rotax 3980470 503 Aircraft Engine is designed with safety in mind, featuring a liquid-cooling system for consistent operating temperatures, a dual-circuit cooling system for added reliability, and a 12-volt electric starter for easy starting.

In summary, the Rotax 3980470 503 Aircraft Engine is a versatile and high-performing powerplant, ideal for light aircraft and experimental aviation projects. Its fuel-efficient design, reliable starting, and robust construction make it a popular choice among aviators seeking a dependable and powerful engine for their aircraft.

**Rotax 3980470 503 Aircraft Engine:** A Detailed Analysis

1. **Reliability:** Rotax engines are renowned for their high reliability and durability, making them a popular choice among aircraft owners and pilots. The 3980470 503 model is no exception, with a robust design that ensures long-lasting performance.

2. **Efficiency:** This engine offers excellent fuel efficiency, which can significantly reduce operational costs over time. The fuel-injection system ensures consistent performance across a wide range of altitudes and temperatures.

3. **Power:** The Rotax 3980470 503 delivers a high power output of 100 hp, providing adequate thrust for light aircraft and offering a smooth, responsive flight experience.

4. **Maintenance:** Rotax engines are known for their low maintenance requirements compared to other aircraft engines. The 3980470 503 model features a maintenance-free valve train and a long TBO (Time Between Overhaul), reducing the financial and time commitment associated with engine maintenance.

1. **Availability:** Rotax engines, while popular, may not be as readily available as some other aircraft engine brands, which could potentially lead to longer waiting times for repairs or replacements.

2. **Cost:** While the Rotax 3980470 503 offers excellent value for its performance, it may still be a significant investment for some aircraft owners. The initial purchase price, along with ongoing maintenance costs, should be carefully considered.

3. **Limited Customization:** Rotax engines offer less customization compared to some other aircraft engine brands, which may limit their compatibility with certain aircraft models or specific performance requirements.

The Rotax 3980470 503 aircraft engine is an excellent choice for those seeking a reliable, efficient, and powerful engine for their light aircraft. Its low maintenance requirements and high fuel efficiency make it a cost-effective option in the long run. However, prospective buyers should carefully consider the potential challenges associated with availability and customization, and ensure that the engine is compatible with their specific aircraft model and performance needs.

For those seeking a dependable and high-performing engine for their light aircraft, the Rotax 3980470 503 is a strong recommendation. Its numerous advantages outweigh the potential drawbacks, making it a wise investment for many aircraft owners. As always, it's essential to research thoroughly, consult with a trusted aviation professional, and carefully weigh all factors before making a decision.

Details:

Probable good for parts Carbs, starter etc 3980470 Engine last run several years ago on an ultralight.

part #: 3980470 prices

• $149.99-$2800.00

specifications engineaviatio:

• for models: 503
• brand: Rotax
• mpn: 3980470
• part type: Engine

seller engineaviatio:

• # reviews: 4
• rating: 100.0%
• city: Pennsburg, Pennsylvania

general engineaviatio:

• Aviation Parts Accessories > Engines > Engine Components
• condition: For parts or not working

returns engineaviatio:

• policy: No Returns

payments engineaviatio:

• wallet: Paypal
• other
• credit card: Mastercard

shipping engineaviatio:

• class: Standard
• type: Calculated
• transit: 3-8 Days
• carrier: USPS
• service: USPS Ground Advantage
• cost: $4.52

offer engineaviatio:

• best offers: True
• availability: In Stock
• started: July 30, 2025
• options: Ship-to-home
• quantity: 1
• sold: 0

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