Kaman K-MAX |
|
|---|---|
| 国家 | 美国 |
| 作用 | 中型直升机 |
| 首次飞行 | 1991年12月23日 |
| 建立 | 未知 |
这 卡曼 K-MAX （公司名称K-1200）是由美国制造商卡曼飞机公司设计和生产的带有相互啮合旋翼（同步直升机）的直升机。
源： 维基百科上的卡曼K-MAX
| Kaman K 1200 K-Max | |
|---|---|
| 摄影师 | 未知 |
| 本地化 | 乌克诺 |
| 照片 | 100 |
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General Characteristics
The Kaman K-MAX is a unique, single-seat, twin-rotor helicopter specifically designed for repetitive external cargo lift operations, essentially functioning as an “aerial truck.” Its key design feature is the use of intermeshing, counter-rotating rotors (a synchropter configuration), which eliminates the need for a tail rotor, directing all engine power to vertical lift.
| Property | Typical Value (K-1200) |
|---|---|
| 作用 | External Cargo Lift / Aerial Crane |
| 制造商 | Kaman Aircraft |
| First Flight | 1991年12月23日 |
| 船员 | 1 pilot (single seat) |
| Max Takeoff Weight (with external load) | 5,443 kg (12,000 lb) |
| Empty Weight | 2,334 kg (5,145 lb) |
| Rotor Diameter (Each) | 14.73 m (48 ft 4 in) |
| Overall Length (Rotors Turning) | 15.85 m (52 ft 0 in) |
Design and Powerplant
- Engine: One Honeywell T53-17A-1 turboshaft engine.
- Power Output: Flat-rated to approximately 1,007 kW (1,350 shp) for long life and high-altitude performance, with a thermodynamic rating of 1,800 shp.
- Rotor System: Twin, counter-rotating, intermeshing main rotors (synchropter). This design cancels torque without a tail rotor, making the aircraft highly efficient for lift.
- Cargo Hook Capacity: 2,722 kg (6,000 lb). The helicopter’s lift capacity is greater than its empty weight.
- Control System: Features a unique servo-flap control system on the rotor blades, eliminating complex hydraulics from the main flight controls (though later variants use a blend of systems).
- Pilot Visibility: Designed with a narrow, wedge-shaped fuselage and large side windows to provide the pilot with an excellent downward view for precision external load placement (vertical reference flight).
Performance and Applications
- Max Speed (Without External Load): 185 km/h (100 knots, 115 mph).
- Max Speed (With External Load): 148 km/h (80 knots, 92 mph).
- Service Ceiling: 4,572 m (15,000 ft).
- Max Range (Normal): Approximately 480 km (300 nautical miles).
- Operating Efficiency: Known for its efficiency, requiring less than two maintenance man-hours per flight hour and having a low fuel consumption rate for its lift capacity.
- Unmanned Capability: The K-MAX has been successfully deployed as an unmanned aircraft system (UAS) for autonomous cargo delivery, including for military resupply missions.
- Typical Applications: Logging, construction (setting utility poles, towers, HVAC units), firefighting (FireMax variant with fixed tank), and military resupply.
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