fits model: A-2. make: Volvo.

( Manufacturer Part Number: 852245 ), ( Part Type: Aluminum Prop )
The **Volvo 852245 Duo Prop A-2 Rear 317** is a high-performance, dual-propeller transmission designed for Volvo s advanced engine systems, offering unparalleled precision and efficiency in both performance and everyday driving. This sophisticated transmission is engineered to deliver seamless power delivery through its dual-propeller shaft configuration, ensuring optimal torque distribution and enhanced responsiveness across a wide range of driving conditions. Built with Volvo s signature engineering excellence, the **852245 Duo Prop A-2** is specifically tailored for the **317** series of engines, providing a robust and reliable solution for vehicles requiring a balance of power, smoothness, and durability.
At its core, the **Duo Prop A-2** features a dual-propeller shaft system that splits the engine s output into two independent shafts, each driving a separate propeller flange. This design not only reduces torsional vibrations and enhances drivetrain stability but also allows for a more balanced power transfer, minimizing wear on the transmission and differential components. The transmission is constructed from high-grade materials, including precision-machined gears and reinforced housing, ensuring longevity and resistance to the stresses of high-performance driving. Its compact yet robust design allows for easy integration into Volvo s vehicle architectures, making it an ideal choice for both performance-oriented and luxury-oriented models.
One of the standout features of the **852245 Duo Prop A-2** is its compatibility with Volvo s advanced engine management systems, enabling seamless synchronization with electronic throttle control, torque vectoring, and adaptive suspension technologies. This integration allows for dynamic power delivery adjustments, improving handling and fuel efficiency while maintaining a refined and engaging driving experience. The transmission is also designed with Volvo s commitment to sustainability in mind, incorporating energy-efficient components and optimized fluid dynamics to reduce operational friction and improve overall efficiency.
For technicians and enthusiasts alike, the **852245 Duo Prop A-2** offers a blend of complexity and reliability, making it a premium choice for those seeking a high-performance drivetrain solution. Its precise engineering ensures that it meets Volvo s stringent quality standards, providing a durable and efficient transmission that can handle the demands of both urban commuting and spirited driving. Whether installed in a modern Volvo sedan or a performance-oriented crossover, this dual-propeller transmission delivers a harmonious blend of power, precision, and longevity, embodying Volvo s legacy of innovation and engineering excellence.
### **Pros and Cons of Buying a Volvo 852245 Duo Prop A-2 Rear 317**
#### **Overview**
The **Volvo 852245 Duo Prop A-2 Rear 317** is a mid-sized, dual-propeller, rear-engine aircraft designed for general aviation, flight training, and light utility. It is part of the **Volvo Airplane Company s** line, known for its innovative design, reliability, and performance. Below is a detailed breakdown of its advantages and disadvantages.
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### **Pros**
1. **Innovative and Unique Design**
- The **dual-propeller (Duo Prop) configuration** allows for improved safety and performance. If one engine fails, the other can still provide partial thrust, reducing the risk of a complete power loss.
- The **rear-engine placement** improves weight distribution, enhancing stability and handling, especially during takeoff and landing.
- The **A-2 model** incorporates refinements over earlier versions, including improved aerodynamics and structural integrity.
2. **Safety Features**
- The **dual-engine setup** provides redundancy, which is a significant safety advantage over single-engine aircraft.
- The aircraft was designed with **crashworthiness** in mind, featuring a strong fuselage and a design that minimizes injury risk in accidents.
- Some models include **ballistic parachute systems** (though this may vary by specific variant and modifications).
3. **Performance and Handling**
- The **rear-engine configuration** reduces torque effects, making the aircraft easier to control, especially for pilots transitioning from front-engine aircraft.
- The **high-wing design** provides good visibility and stability, which is beneficial for training and general flying.
- The **Duo Prop system** can offer better climb performance and short-takeoff capabilities compared to some single-engine aircraft.
4. **Reliability and Durability**
- Volvo Aircraft was known for building **durable, long-lasting aircraft**, and the 852245 is no exception. Many examples have accumulated high time with proper maintenance.
- The **Lycoming O-360 engines** (common in this model) are well-proven and relatively easy to maintain.
5. **Flight Training and Utility Value**
- The aircraft is well-suited for **flight training** due to its forgiving handling and visibility.
- Its size and performance make it useful for **light cargo transport, aerial surveys, or personal use**.
6. **Nostalgia and Collectibility**
- The Volvo 852245 is a **rare and historically significant aircraft**, appealing to collectors and enthusiasts who appreciate unique aviation designs.
- Owning one can be a **status symbol** within the aviation community, especially for those interested in Swedish aviation history.
7. **Modification Potential**
- The aircraft can be **modified or retrofitted** with modern avionics, engines, or safety systems, depending on the owner s goals.
- Some owners have upgraded to **more powerful engines** or installed **glass cockpits** for improved functionality.
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### **Cons**
1. **High Maintenance and Operating Costs**
- **Dual-engine aircraft** require **more frequent inspections, fuel, and maintenance** than single-engine planes, increasing operating costs.
- The **Lycoming O-360 engines** (if still used) may need **regular overhauls**, which can be expensive.
- **Propeller maintenance** (especially with dual props) adds to the upkeep.
2. **Limited Availability and Market**
- Volvo Aircraft was **discontinued in the 1970s**, and the 852245 is **not mass-produced**. Finding parts, mechanics familiar with the model, and potential buyers can be challenging.
- **Resale value is likely low** due to its niche status and lack of modern demand.
3. **Complexity and Pilot Skill Requirements**
- The **dual-propeller system** introduces **additional complexity** in operation, requiring pilots to understand **propeller synchronization, engine cross-feeding, and emergency procedures**.
- Some pilots may find the **rear-engine handling** less intuitive compared to conventional front-engine aircraft.
4. **Weight and Fuel Consumption**
- The **dual-engine setup** increases the **empty weight** of the aircraft, which can affect performance, especially in terms of **range and payload**.
- **Fuel consumption is higher** than single-engine aircraft, reducing endurance on shorter flights.
5. **Aging Airframe and Structural Concerns**
- Like many aircraft from the **1960s 70s**, the **airframe may require structural inspections** to ensure it remains airworthy.
- **Corrosion, fatigue, and wear** must be carefully managed, which can be costly over time.
6. **Limited Modern Avionics and Technology**
- Many examples are equipped with **analog instrumentation**, which may lack the **safety and convenience** of modern glass cockpits (G1000, Garmin, etc.).
- Upgrading avionics can be **expensive and technically challenging**.
7. **Insurance and Certification Challenges**
- **Insuring a rare, dual-engine aircraft** can be difficult and may come with **higher premiums** due to perceived complexity.
- **FAA certification and airworthiness** must be carefully managed, as some mechanics may not be familiar with this specific model.
8. **Potential for High Purchase Price (If Well-Maintained)**
- A **restored or well-documented example** may come with a **premium price**, making it less accessible to budget-conscious buyers.
- Buyers should be prepared for **hidden costs** (e.g., engine overhauls, airframe repairs) that could exceed the purchase price.
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### **Conclusion**
The **Volvo 852245 Duo Prop A-2 Rear 317** is a **unique, innovative, and historically significant aircraft** with several safety and performance advantages, particularly in its dual-engine configuration. It is well-suited for **enthusiasts, collectors, and those who prioritize safety and unconventional design**. However, it comes with **high maintenance costs, limited availability, and operational complexities** that may not appeal to casual or budget-conscious pilots.
For the right buyer someone with **mechanical skills, deep aviation knowledge, and a passion for classic aircraft** this plane can be a **rewarding and enjoyable** addition to their fleet. However, those seeking a **modern, low-maintenance, and widely available** aircraft may find it **overly specialized and costly** in the long run.
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### **Recommendation**
**Buy if:**You are an **aviation enthusiast or collector** who appreciates rare and historically significant aircraft.
You have **mechanical experience** and are willing to **invest time and money in maintenance**.
You prioritize **safety and redundancy** (dual-engine setup) over modern convenience.
You plan to **fly it occasionally** (e.g., for training, personal use, or as a project aircraft).
You are prepared for **higher operating costs** and potential **parts scarcity**.
**Do Not Buy if:**You are looking for a **modern, mass-produced, low-maintenance aircraft**.
You lack **mechanical or aviation expertise** to handle a complex, older aircraft.
You need **high performance, long range, or frequent flying** this plane is not optimized for those needs.
You cannot afford **unexpected repair costs** or **long-term maintenance expenses**.
You want **easy resale potential** this aircraft has a very niche market.
**Final Verdict:**The Volvo 852245 is a **fantastic aircraft for the right owner** one who values **innovation, safety, and uniqueness** over practicality. However, it is **not a practical choice for most general aviation pilots** due to its **high costs, complexity, and limited modern relevance**. If you are serious about acquiring one, **thoroughly inspect the airframe, engines, and maintenance records** before purchasing, and be prepared for a **long-term commitment** to keeping it airworthy.
Made from durable aluminum, this propeller is built to withstand the demanding conditions of marine environments. The Volvo Aluminum Duo Prop A-2 Rear #317 is a high-quality propeller designed specifically for boats.