Giant K-Max RC Turbine Scale Flettner Rotor Model Helicopter
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The K-MAX can lift more than its weight–6,000 pounds–and burns just 82 gallons of fuel per hour during lift operations, making it the most efficient lift-to-fuel ratio of any helicopter in its class.The Kaman K-MAX is an American helicopter with intermeshing rotors (synchropter) by Kaman Aircraft. It is optimized for external cargo load operations. source/image: RCHeliJet RC Model Show...
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