Heavy Lift Helicopters - The Kaman K-1200 K-Max

The K-Max, developed and produced by the Kamanplastic materials. The blades are powered by a single
Aerospace Company, is the world's first helicopterHoneywell T53-17 turbo-shaft engine that produces
designed and built specifically for multiple external lift1,800 shaft horsepower.
operations. The K-Max is able to perform a variety ofThe helicopter has a maximum forward speed of
roles including forestry, logging, agricultural work, and100kts, which is a bit on the slow side but reduces
fire fighting. It's ability to lift 6,000 lbs externallystress and wear and tear on the rotor system. The
makes it a favorite among construction firms whohelicopter cruises at 80 kts and has a range of 270
need to place large pieces of gear such as airmiles.
conditioning units or antennas in places where aThe Kaman uses wheels instead of skids. The wheels
typical crane is not practical.are placed in a fixed, tricycle type configuration. Each
The K-Max is a single seat, single engine helicoptergear has a bear paw plate to prevent the wheels
that first flew in March 1992 and was awarded FAAfrom getting stuck when operating from snow and
certification in 1994.soft ground.
One of the most significant design features of theThe U.S. Navy used the K-Max during the Vertical
helicopter is it's narrow cockpit which gives the pilotReplenishment Demonstration Program, which began
excellent forward, side, and downward visibility whichin 1995. The K-max operated from both land and
is crucial for the types of missions the helicopter isshore bases to prove its merit when operating from
used for. Additionally the cockpit has a crash resistantmarine environments which are typically harsh on
seat with a five-point harness restraint. Internal cargoaircraft.
can be placed in a compartment behind the pilotsThe FireMax, the fire-fighting variant of the K-Max,
seat.utilizes a 700 gallon tank that is able to refill from
The helicopter is made of a light metal alloy. It's ashallow water sources in as little as 20 seconds by
simple design that emphasizes strength and reliability.using a hydraulically powered hover refill pump.
The two inter meshing, contra-rotating blades arePilots of the K-Max praise its tremendous visibility and
made from high strength carbon and glass reinforcedhandling while operators praise its reliability.