The Bell 47J Ranger is a single-engine, two-bladed, light observation helicopter developed by Bell Helicopter. It was the first helicopter to be certified by the Federal Aviation Administration (FAA) for commercial use.
The Ranger was designed to meet the needs of the US Army for a light observation helicopter. It was first flown in 1956 and entered production in 1957. The Ranger was used extensively by the US Army during the Vietnam War. It was also used by a number of other countries, including Canada, France, and Germany.
The Ranger is a versatile helicopter that can be used for a variety of purposes, including observation, reconnaissance, and transportation. It is also used for search and rescue operations and law enforcement.
BELL 47J Ranger Specs
The Bell 47J Ranger is a single-engine, two-bladed, light observation helicopter developed by Bell Helicopter. The Ranger was designed to meet the needs of the US Army for a light observation helicopter and was first flown in 1956.
- Engine: Franklin 6V4-200-C32
- Power: 200 hp
- Rotor diameter: 35 ft 8 in
- Length: 36 ft 1 in
- Height: 9 ft 8 in
- Empty weight: 1,560 lb
- Gross weight: 2,400 lb
- Maximum speed: 105 mph
The Ranger was used extensively by the US Army during the Vietnam War and was also used by a number of other countries. The Ranger is a versatile helicopter that can be used for a variety of purposes, including observation, reconnaissance, and transportation. It is also used for search and rescue operations and law enforcement.
Engine
The Franklin 6V4-200-C32 engine is a six-cylinder, air-cooled, horizontally-opposed aircraft engine developed by the Franklin Engine Company. It was used in a number of light aircraft, including the Bell 47J Ranger helicopter.
- Power: The Franklin 6V4-200-C32 engine produces 200 horsepower at 2600 rpm.
- Displacement: The engine has a displacement of 335 cubic inches (5.5 liters).
- Weight: The engine weighs 345 pounds (157 kilograms).
- Fuel consumption: The engine consumes 8.0 gallons (30 liters) of fuel per hour at 75% power.
The Franklin 6V4-200-C32 engine is a reliable and efficient powerplant. It is well-suited for use in light aircraft, such as the Bell 47J Ranger helicopter.
Power
The power of the Bell 47J Ranger’s engine is a critical factor in determining the helicopter’s performance and capabilities. The 200 horsepower produced by the Franklin 6V4-200-C32 engine gives the Ranger a top speed of 105 mph and a range of 310 miles. The engine also provides the power necessary for the Ranger to lift a payload of up to 1,000 pounds.
The Ranger’s engine is a reliable and efficient powerplant. It is well-suited for use in light aircraft, such as the Ranger, and has a long history of safe and reliable operation.
The power of the Ranger’s engine is a key factor in its success as a light observation helicopter. The Ranger’s combination of power, speed, and range make it an ideal platform for a variety of missions, including reconnaissance, surveillance, and transportation.
Rotor diameter
The rotor diameter of the Bell 47J Ranger is a critical factor in determining the helicopter’s performance and capabilities. The 35 ft 8 in rotor diameter provides the Ranger with a number of advantages, including:
- Increased lift: The larger rotor diameter provides more lift, which allows the Ranger to carry a heavier payload.
- Improved stability: The larger rotor diameter also provides greater stability, which makes the Ranger easier to fly, especially in windy conditions.
- Slower rotor speed: The larger rotor diameter allows the Ranger to fly at a slower rotor speed, which reduces noise and vibration.
The rotor diameter of the Bell 47J Ranger is a key factor in its success as a light observation helicopter. The Ranger’s combination of lift, stability, and speed make it an ideal platform for a variety of missions, including reconnaissance, surveillance, and transportation.
In addition to the advantages listed above, the 35 ft 8 in rotor diameter of the Bell 47J Ranger also makes it a very maneuverable helicopter. This maneuverability is essential for the Ranger’s role as a light observation helicopter, as it allows the pilot to quickly and easily change direction and altitude.
Overall, the rotor diameter of the Bell 47J Ranger is a critical factor in its performance and capabilities. The 35 ft 8 in rotor diameter provides the Ranger with a number of advantages, including increased lift, improved stability, slower rotor speed, and greater maneuverability. These advantages make the Ranger an ideal platform for a variety of missions, including reconnaissance, surveillance, and transportation.
Length
The length of the Bell 47J Ranger is a critical factor in determining the helicopter’s performance and capabilities. The 36 ft 1 in length provides the Ranger with a number of advantages, including:
- Increased cabin space: The longer length provides more cabin space, which allows the Ranger to carry more passengers or cargo.
- Improved stability: The longer length also provides greater stability, which makes the Ranger easier to fly, especially in windy conditions.
- Increased range: The longer length also allows the Ranger to carry more fuel, which increases its range.
The length of the Bell 47J Ranger is a key factor in its success as a light observation helicopter. The Ranger’s combination of cabin space, stability, and range make it an ideal platform for a variety of missions, including reconnaissance, surveillance, and transportation.
In addition to the advantages listed above, the 36 ft 1 in length of the Bell 47J Ranger also makes it a very versatile helicopter. The Ranger can be used for a variety of purposes, including:
- Transportation: The Ranger can be used to transport passengers or cargo.
- Medical evacuation: The Ranger can be used to evacuate wounded soldiers or civilians from a battlefield or disaster area.
- Search and rescue: The Ranger can be used to search for and rescue people who are lost or injured.
Overall, the length of the Bell 47J Ranger is a critical factor in its performance and capabilities. The 36 ft 1 in length provides the Ranger with a number of advantages, including increased cabin space, improved stability, increased range, and versatility. These advantages make the Ranger an ideal platform for a variety of missions, including reconnaissance, surveillance, transportation, medical evacuation, and search and rescue.
Height
The height of the Bell 47J Ranger, measuring 9 ft 8 in, significantly contributes to its overall specifications and capabilities. This attribute plays a crucial role in various aspects of the helicopter’s design, performance, and functionality.
- Compact Design and Maneuverability: The relatively low height of the Ranger enhances its compactness and maneuverability, allowing it to operate effectively in confined spaces and navigate through complex terrain. This compact design is particularly advantageous in urban environments, where buildings and other obstacles may pose challenges during flight.
- Efficient Transportation: The reduced height facilitates easier loading and unloading of cargo or personnel. The low profile enables the Ranger to fit into smaller hangars or storage areas, minimizing space requirements during transportation or storage.
- Enhanced Visibility and Situational Awareness: The pilot’s elevated position provides improved visibility and situational awareness. The height of 9 ft 8 in allows the pilot to have a clear view of the surroundings, enhancing their ability to make informed decisions and respond swiftly to changing conditions.
- Reduced Vulnerability: The lower height reduces the Ranger’s exposure to enemy fire or other threats in combat or hostile environments. Its compact profile makes it a less visible target, increasing its survivability in adverse situations.
In summary, the height of 9 ft 8 in is an integral part of the Bell 47J Ranger’s specifications, contributing to its compactness, maneuverability, visibility, ease of transportation, and reduced vulnerability. These factors collectively enhance the Ranger’s performance and effectiveness in various operational scenarios.
Empty weight
The empty weight of the Bell 47J Ranger is a crucial specification that significantly influences the helicopter’s performance and capabilities.
- Payload Capacity: The empty weight directly impacts the Ranger’s payload capacity. With an empty weight of 1,560 lb, the Ranger can carry a substantial payload, making it suitable for various missions, including cargo transportation, medical evacuation, and search and rescue operations.
- Fuel Efficiency: The empty weight affects the Ranger’s fuel efficiency. A lower empty weight means less fuel consumption during flight, resulting in increased range and endurance. This is particularly important for extended missions where fuel availability may be limited.
- Maneuverability and Agility: The Ranger’s relatively low empty weight contributes to its maneuverability and agility. It can quickly change direction, ascend, and descend, making it ideal for operations in confined spaces or complex terrain.
- Structural Integrity: The empty weight is closely related to the helicopter’s structural integrity. The Ranger’s lightweight design allows for the use of lighter materials, optimizing strength-to-weight ratios and enhancing overall durability and performance.
In summary, the empty weight of 1,560 lb plays a vital role in determining the Bell 47J Ranger’s payload capacity, fuel efficiency, maneuverability, and structural integrity. These factors collectively contribute to the Ranger’s versatility and effectiveness in carrying out a wide range of missions.
Gross weight
The gross weight of the Bell 47J Ranger, amounting to 2,400 lb, is a critical specification that defines the helicopter’s overall capabilities and performance.
- Structural Design and Strength: The gross weight directly influences the structural design and strength of the Ranger. It determines the maximum weight that the helicopter can safely carry, including passengers, cargo, and fuel. A higher gross weight allows for increased payload capacity, but it also requires a stronger airframe and more powerful engine.
- Performance and Efficiency: The gross weight affects the Ranger’s performance and efficiency. A heavier helicopter requires more power to lift and maintain altitude, resulting in reduced speed, climb rate, and range. Optimizing the gross weight is crucial for achieving a balance between payload capacity and performance.
- Safety and Certification: The gross weight is a key factor in determining the safety and certification of the Ranger. Aviation authorities establish maximum gross weight limits based on structural integrity, engine power, and flight characteristics. Exceeding the gross weight can compromise the helicopter’s stability, handling, and safety.
- Operational Flexibility: The gross weight defines the operational flexibility of the Ranger. Helicopters with higher gross weights can carry more equipment and personnel, making them suitable for a wider range of missions, including cargo transport, search and rescue, and medical evacuation.
In summary, the gross weight of 2,400 lb plays a vital role in shaping the Bell 47J Ranger’s structural design, performance, safety, and operational capabilities. Understanding this specification is essential for maximizing the helicopter’s effectiveness and ensuring safe and efficient operation.
Maximum speed
The maximum speed of the Bell 47J Ranger, reaching 105 mph, is a crucial aspect of its specifications, directly influencing its performance and operational capabilities.
The high speed enables the Ranger to cover long distances quickly, making it suitable for missions where time is of the essence, such as medical evacuations, search and rescue operations, and rapid troop deployment. Its speed also allows it to keep pace with other aircraft or ground forces during joint operations.
Moreover, the Ranger’s speed contributes to its agility and maneuverability. The helicopter can quickly change direction and altitude, providing pilots with greater control and responsiveness during flight. This is particularly advantageous in confined spaces, urban environments, or mountainous terrain, where precise maneuvering is essential.
Furthermore, the maximum speed of 105 mph enhances the Ranger’s operational flexibility. It can be deployed to remote areas or over long distances without requiring extensive refueling stops, extending its range and mission duration. This capability is crucial for operations in austere environments or during prolonged missions.
In summary, the maximum speed of 105 mph is an integral part of the Bell 47J Ranger’s specifications, directly impacting its performance, agility, and operational flexibility. Understanding this aspect is essential for maximizing the helicopter’s effectiveness in various missions, ranging from emergency response to military operations.
Frequently Asked Questions about BELL 47J Ranger Specs
This section provides answers to commonly asked questions regarding the specifications of the Bell 47J Ranger helicopter.
Question 1: What is the maximum speed of the Bell 47J Ranger?
Answer: The Bell 47J Ranger has a maximum speed of 105 mph, enabling it to cover long distances quickly and respond swiftly to various mission requirements.
Question 2: What is the empty weight of the Bell 47J Ranger?
Answer: The empty weight of the Bell 47J Ranger is 1,560 lb, contributing to its payload capacity, fuel efficiency, and overall maneuverability.
Question 3: What is the gross weight of the Bell 47J Ranger?
Answer: The gross weight of the Bell 47J Ranger is 2,400 lb, defining its structural design, performance capabilities, and operational flexibility.
Question 4: What is the height of the Bell 47J Ranger?
Answer: The height of the Bell 47J Ranger is 9 ft 8 in, providing enhanced visibility, reduced vulnerability, and efficient transportation capabilities.
Question 5: What is the length of the Bell 47J Ranger?
Answer: The length of the Bell 47J Ranger is 36 ft 1 in, contributing to its cabin space, stability, and increased range for various mission profiles.
Question 6: What is the rotor diameter of the Bell 47J Ranger?
Answer: The rotor diameter of the Bell 47J Ranger is 35 ft 8 in, providing increased lift, improved stability, and slower rotor speed for enhanced performance and reduced noise.
Summary: The Bell 47J Ranger’s specifications, including its speed, weight, height, length, and rotor diameter, are crucial factors that determine its performance, capabilities, and suitability for various missions. Understanding these specifications is essential for maximizing the effectiveness and safety of this iconic helicopter.
Transition: For further information and insights into the Bell 47J Ranger, please refer to the following resources:
Tips for Understanding “BELL 47J Ranger Specs”
Grasping the specifications of the Bell 47J Ranger helicopter requires a systematic approach. Here are some tips to enhance your understanding:
Tip 1: Familiarize Yourself with Helicopter Terminology
Understanding technical terms like “gross weight,” “rotor diameter,” and “empty weight” is essential. Refer to aviation glossaries or online resources to clarify unfamiliar concepts.
Tip 2: Study the Specifications Table
Locate the specifications table for the Bell 47J Ranger. This table provides a comprehensive overview of key measurements and performance data in an organized format.
Tip 3: Research the Purpose and Context
Explore the intendedapplications of the Bell 47J Ranger. Understanding its role in military, law enforcement, or civilian operations provides context for its specifications.
Tip 4: Compare with Other Helicopters
Compare the specifications of the Bell 47J Ranger to other helicopters in its class. This comparison highlights its strengths and weaknesses in terms of speed, payload capacity, and range.
Tip 5: Consult Subject Matter Experts
Seek guidance from aviation professionals, pilots, or engineers who have experience with the Bell 47J Ranger. Their insights can provide valuable practical knowledge.
Tip 6: Utilize Online Resources
Leverage online forums, technical articles, and manufacturer websites to gather additional information and perspectives on the Bell 47J Ranger’s specifications.
Tip 7: Attend Industry Events
Visit aviation trade shows or conferences where manufacturers showcase their latest helicopters and provide technical presentations. This offers an opportunity to learn about the Bell 47J Ranger firsthand.
Tip 8: Stay Updated with Industry News
Follow industry publications and news outlets to keep abreast of technological advancements and modifications to the Bell 47J Ranger’s specifications.
Summary: By following these tips, you can develop a comprehensive understanding of the Bell 47J Ranger’s specifications, enabling you to make informed decisions and engage in meaningful discussions about this iconic helicopter.
Transition: To further enhance your knowledge, delve into the history and evolution of the Bell 47J Ranger in the following section.
Conclusion
The Bell 47J Ranger helicopter, with its unique specifications and capabilities, has played a significant role in aviation history. Its combination of speed, maneuverability, and versatility has made it a valuable asset for military, law enforcement, and civilian operations worldwide.
The specifications of the Bell 47J Ranger, including its engine power, rotor diameter, dimensions, and weight, are carefully engineered to meet the demands of various mission profiles. From reconnaissance and surveillance to transportation and medical evacuation, the Ranger has proven its effectiveness in diverse environments.
Understanding the specifications of the Bell 47J Ranger is crucial for maximizing its performance and safety. By studying the technical data, exploring its history, and seeking expert insights, we gain a deeper appreciation for the capabilities of this iconic helicopter.
As aviation technology continues to advance, the legacy of the Bell 47J Ranger serves as a reminder of the ingenuity and innovation that have shaped the world of rotary-wing aircraft. Its specifications will continue to inspire future generations of engineers and aviators.