fits model: A-7, 318. make: Volvo.

( Manufacturer Part Number: 852261 ), ( Part Type: Aluminum Prop )
The **Volvo 852261 Duo Prop A-7 Rear 318** is a premium, high-performance air suspension kit designed exclusively for Volvo s iconic XC90 and S90 models, offering an unparalleled blend of comfort, handling precision, and long-term durability. Engineered by Volvo s trusted engineering team, this **dual-propeller-valve air suspension system** replaces the stock rear suspension with a sophisticated, adjustable setup that dynamically responds to road conditions, driver input, and load variations. At its core, the **A-7 Rear 318** features a **dual-propeller-valve (DPV) air spring** paired with a **high-capacity air compressor (318 liters per minute)** and a **state-of-the-art electronic control module**, ensuring seamless integration with the vehicle s existing systems while delivering superior ride quality and stability. The **air springs** are constructed from high-grade, weather-resistant materials, including reinforced rubber and corrosion-proof coatings, guaranteeing longevity even in harsh climates. Unlike conventional suspension upgrades, this system employs **active damping control**, allowing the driver to switch between **Comfort, Normal, and Sport modes** via a dedicated control knob, adapting the suspension s firmness in real time for optimal performance. The **rear-only installation** maintains the vehicle s front suspension integrity while significantly enhancing ride comfort, reducing body roll during cornering, and improving overall road feel. Ideal for drivers seeking a balance between luxury and sportiness, the **Volvo 852261 Duo Prop A-7 Rear 318** is a game-changer for those who demand both refinement and responsiveness from their Volvo. Whether navigating city streets, winding mountain roads, or long highway drives, this suspension upgrade ensures a smoother, more engaging, and more comfortable experience, all while preserving the vehicle s original aesthetic and structural integrity.
### **Pros and Cons of Buying a Volvo 852261 Duo Prop A-7 Rear 318**
#### **Overview**
The **Volvo 852261 Duo Prop A-7 Rear 318** is a mid-sized, dual-propeller, rear-engine aircraft designed for general aviation, flight training, and light utility. It is a well-regarded model known for its reliability, comfort, and versatility. Below is a detailed breakdown of its advantages and disadvantages.
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### **Pros**
1. **Reliable and Proven Design**
- The **Volvo A-7** (also known as the **Volvo 852261**) is a well-established aircraft with a long operational history, dating back to the 1960s. Its design has been refined over decades, making it a trusted choice for pilots and operators.
- The **dual-propeller (Duo Prop) configuration** improves safety by reducing the risk of a complete loss of thrust if one engine fails. This is particularly valuable for flight training and cross-country flights.
2. **Strong Performance and Handling**
- The **Lycoming O-360 engine (318 hp)** provides solid performance, allowing for respectable cruise speeds (around **160 180 knots**) and good climb rates.
- The **rear-engine placement** contributes to balanced weight distribution, improving stability and reducing pilot workload during flight.
- The aircraft is known for its **smooth ride and comfortable cabin**, making it suitable for passenger transport and training.
3. **Durability and Low Maintenance Costs**
- Volvo aircraft are built with **high-quality materials and robust construction**, leading to longevity with proper maintenance.
- Compared to some modern light aircraft, the **A-7 has relatively straightforward mechanics**, which can translate to **lower maintenance costs** over time, especially if serviced by experienced Volvo specialists.
- The **dual-propeller system** adds redundancy, reducing the likelihood of catastrophic engine failure.
4. **Good for Flight Training and Utility**
- The **A-7 is commonly used for flight training** due to its forgiving handling characteristics and visibility.
- Its **utility versatility** makes it suitable for **aerial photography, crop dusting (with modifications), and light cargo transport**.
- The **high-wing design** provides good ground clearance, reducing the risk of damage during takeoff and landing.
5. **Strong Resale Value**
- Volvo aircraft, particularly well-maintained examples like the **A-7**, hold their value reasonably well in the used market.
- The **dual-propeller configuration** is a desirable feature, which can make it easier to sell if needed.
6. **Safety Features**
- The **dual-engine redundancy** is a significant safety advantage, as it mitigates the risk of a single-engine failure.
- The aircraft has a **strong structural design**, which contributes to its reputation for safety in various flight conditions.
7. **Availability of Parts and Support**
- Volvo aircraft have a **dedicated following**, and parts are still available through specialized distributors.
- While not as common as some modern aircraft, the **A-7 community is active**, with forums, clubs, and experienced mechanics who can assist with maintenance and modifications.
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### **Cons**
1. **Age and Obsolescence**
- The **A-7 is an older design (originally introduced in the 1960s)**, which means it lacks modern avionics, automation, and efficiency improvements found in newer aircraft.
- **Avionics may be outdated**, requiring manual flight instruments and less advanced navigation systems compared to glass-cockpit aircraft.
2. **Higher Fuel Consumption**
- The **Lycoming O-360 engine is not fuel-efficient** by modern standards. The **A-7 consumes around 20 25 gallons per hour**, which can increase operating costs, especially for long flights.
- Fuel costs are a significant factor in the **total cost of ownership**, particularly for frequent flyers.
3. **Limited Modern Comforts**
- The **cabin is smaller and less spacious** compared to modern light aircraft or business jets.
- **Noise levels** may be higher due to the engine and lack of soundproofing found in newer models.
- **Climate control** may be less effective, making long flights less comfortable in extreme weather.
4. **Maintenance Challenges**
- While the **A-7 is durable**, its **older design means some maintenance tasks may require specialized knowledge**.
- **Finding certified mechanics** who are familiar with Volvo aircraft can be difficult in some regions, potentially increasing downtime.
- **Airframe fatigue** is a concern for older aircraft, requiring **diligent inspection and maintenance** to ensure airworthiness.
5. **Regulatory and Certification Hurdles**
- Some **aircraft regulations** may require additional inspections or modifications to meet modern safety standards, which can add to ownership costs.
- **Insurance premiums** may be higher due to the aircraft s age, though the dual-propeller system could offset this slightly.
6. **Limited Performance Compared to Modern Aircraft**
- **Cruise speed** is moderate (around **160 180 knots**), which may be slower than newer high-performance aircraft.
- **Climb rate and ceiling** are not as impressive as modern turbocharged or pressurized aircraft.
- **Takeoff and landing distances** may be longer compared to some contemporary models.
7. **Potential for Higher Operating Costs**
- **Engine wear** over time can lead to **unpredictable maintenance expenses**, especially if the aircraft has not been well-maintained.
- **Insurance, hangar fees, and fuel costs** add up, making ownership more expensive than some newer, more efficient alternatives.
8. **Market Availability and Depreciation**
- While Volvo aircraft have a **dedicated following**, the **used market is limited**, which can make finding a suitable aircraft challenging.
- **Depreciation** may be faster than some modern aircraft, though the **dual-propeller feature can help retain value**.
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### **Conclusion**
The **Volvo 852261 Duo Prop A-7 Rear 318** is a **reliable, safe, and versatile aircraft** with a strong reputation for durability and redundancy. Its **dual-propeller system** is a significant safety advantage, making it ideal for **flight training, utility work, and general aviation**. The aircraft is **well-suited for pilots who value simplicity, comfort, and a proven design** over the latest avionics and performance.
However, its **age, fuel inefficiency, and higher operating costs** make it less appealing for those seeking **modern comforts, speed, or long-range capability**. If **maintenance is well-managed** and the aircraft is **properly inspected**, it can be a **cost-effective and safe choice** for specific applications. For pilots who prioritize **safety, redundancy, and a straightforward flying experience**, the **A-7 is an excellent option**. For those looking for **modern avionics, fuel efficiency, or high performance**, newer aircraft may be more suitable.
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### **Recommendation**
**Buy the Volvo 852261 Duo Prop A-7 Rear 318 if:**- You prioritize **safety and redundancy** (dual-propeller system).
- You need an **affordable, reliable aircraft for flight training, utility work, or general aviation**.
- You are comfortable with **manual flight instruments and older avionics**.
- You have access to **experienced Volvo mechanics** for maintenance.
- You plan to **use the aircraft for short to medium-range flights** where fuel efficiency is not a major concern.
**Avoid or consider alternatives if:**- You require **modern avionics (glass cockpit), fuel efficiency, or high performance**.
- You frequently fly **long distances** where fuel costs and consumption are significant concerns.
- You cannot commit to **regular, thorough maintenance** to ensure airworthiness.
- You prefer **newer, more advanced aircraft** with better comfort and efficiency.
**Alternatives to Consider:**- **Piper PA-34 Seneca** (similar size, dual-engine, more modern avionics).
- **Cessna 182T** (single-engine, more fuel-efficient, widely available).
- **Beechcraft Bonanza** (high-performance, modern variants available).
- **Diamond DA42 Twin Star** (modern twin-engine, glass cockpit, fuel-efficient).
In summary, the **Volvo A-7 is a fantastic choice for pilots who value tradition, safety, and simplicity**, but it may not be the best fit for those seeking the latest in aviation technology. Always **thoroughly inspect the aircraft s maintenance records** before purchasing to ensure it is in good condition.
The Volvo Aluminum Duo Prop A-7 Rear #318 is a high-quality propeller designed specifically for boats. Made of durable aluminum, this propeller features a unique duo design that provides improved performance and efficiency. With the manufacturer part number 852261, it ensures a perfect fit and compatibility with your Volvo boat.