Design and development MD Helicopters MD Explorer

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md 900 (n900mh) helicopter noise abatement test


in september 1997, range of improvements introduced, including pw206e turboshafts higher single engine inoperative ratings, revised engine air inlets, improved notar inlet design , more powerful stabiliser control system. benefits include improved range , endurance , increased maximum takeoff weight. enhanced explorer unofficially designated md 902.


in september 2000, explorer has been delivered further improved pw207e turboshaft, improved hot , high , 1 engine inoperative performance.


the md explorer features notar anti-torque system, benefits including increased safety, far lower noise levels , performance , controllability enhancements. instead of anti-torque tail rotor, fan exhaust directed out of slots in tail boom, using coandă effect yaw control. boeing retains design rights notar technology despite selling former mcdonnell douglas civil helicopter line md helicopters in 1999. explorer features bearingless 5 blade main rotor composite blades, plus carbonfibre construction tail , fuselage.








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