Kaman K-MAX
Kaman K-MAX.

Kaman K-MAX

Kaman K-MAX is a civilian American helicopter (“flying crane”), which is designed specifically for the transport of goods (weighing up to 2720kg) on ​​an outdoor suspension. The prototype was made by KamanAircraft at 1991, and small-scale production continues at 2007. Built according to the synchroter scheme, traditional for Kaman, namely with two intersecting rotors.

Kaman K-MAX photo

Kaman K-MAX. Photo.

Kaman in 1980, which traditionally occupied a narrow niche of the supplier of anti-submarine helicopters and could not compete on equal terms with major aviation industrialists, tried to gain a foothold in the niche, narrow markets of aviation equipment. In the last decade of the practical work of Kaman Charles, this goal has become the market of “flying cranes”. Building a flying crane practically from scratch, and not on an already existing platform, would give an opportunity to increase the efficiency of the machine. The KMAX prototype took off shortly after leaving Kaman’s manager at 1991, and the first serial KMAX took off in January at 1994.

Kaman K-MAX. Photo 2.

Kaman K-MAX. Photo 2.

Helicopter of the intersecting scheme, twin-screw, with three-bearing chassis and one GTE. Managed horizontal and vertical tail, like an airplane. A single helicopter does not have a passenger cabin, and even for a second pilot there is no room. The narrow fuselage gives the pilot an excellent overview, especially in the rear direction of the load, which is suspended at the end of the cable.

Kaman K-MAX. Photo booths.

Kaman K-MAX. Photo booths.

Features helicopter Kaman K-MAX:

  • Crew: 1

  • Capacity: 2721kg

  • Length: 15,85m

  • Width: 15,67m

  • Fuselage length: 12,73m

  • Main rotor diameter: 14,73 m

  • Height: 4,14m

  • The area swept rotor: 340,9kv.m

  • The base chassis 4,27m

  • Track chassis 3,68m

  • Curb weight: 2334kg

  • The highest take-off weight: 2948kg

  • with suspension: 5443kg

  • Volume of fuel tanks: 865l (+ 238,5l additional tank in the cargo hold)

  • Fuel weight in internal tanks: 705kg

  • Powerplant: 1 × turboshaft HoneywellT5317A1

  • Take-off engine power: 1 × 1350л.с. (1 × 1007kW)

  • Speed ​​limit: 185km / h

  • with suspension: 148km / h

  • Practical range: 494km

  • with suspension: 369km

  • Flight duration: 2 × X41min

  • with optional tank: 3 × X41min

  • Ceiling: 4572m

  • Static ceiling:

  • using ground effect: 8020

  • no ground effect: 8875

  • Rate of climb: 12,7m / s

  • The load on the drive: 17,2kg / sq.m

  • Thrust-to-weight ratio: 171,5Vt / kg

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