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The direct jet thruster is located at the aft end of the circulation control tailboom and consists of an exterior cylinder with an open cutaway section which rotates over an interior cylinder. The interior cylinder contains ducts that, when aligned with the cutaway in the exterior cylinder, vary the volume and direction of ducted air from the boom’s interior. The resulting variable thrust provides additional anti-torque effect and assists in directional control.
SYSTEM DESCRIPTION
15
3.11. Interior.
The forward cabin provides space for the pilot and co-pilot in either a right or left-hand command configuration. In the left hand command configuration, with single pilot controls installed, space for two passengers is provided.
Crew seats are either the cushion type or optionally, a tubular structure with mesh-type covering. Both attach to the energy-absorbing airframe structure. The standard crew and passenger seats have been redesigned to provide improved comfort and more headroom.
The MD 600N® instrument panel, is a “T” configuration providing space for engine and flight instruments in the upper portion and for avionics/communications in the lower portion. This instrument panel incorporates internally-lighted instruments for easier reading. A slant panel that provides additional space for avionics is available as an option, and custom avionics arrangements are also available.
Digital engine oil temperature/oil pressure
Slip indicator
Analog engine torque/turbine outlet temperature
Fuel quantity indicator
Digital engine torque/outside air temperature
Digital volt/ampere meter
Digital turbine outlet temperature/N1 tachometer
Digital chronometer
Airspeed indicator
Dual tachometer, NR and N2
Barometric altimeter
Magnetic compass
SYSTEM DESCRIPTION
16
3.12. Cabin Doors.
Four removable doors provide access to the aft cabin. The doors, two on either side, are center opening and contain transparent acrylic windows. The mid- door overlaps the aft door for greater safety. The aft door contains a second set of fuselage closing pins. The doors open to provide 157 cm (62 in) of room for loading cargo or passengers. Flight with doors on or off is approved. When the seats are removed, the aft cabin provides 1.83 m (6 ft) of flat floor space. Cargo, passengers or a combination of cargo and passengers may be carried in the aft cabin. Five passengers can be seated in the cabin, and a variety of seating configurations are possible, as illustrated on the facing page. The quick-release, reversible-center seating provides for either club seating or all forward-facing seating.
SYSTEM DESCRIPTION
17
3.13. Yaw Stability Augmentation System (Yaw-SAS).
MD Helicopters, Inc. has developed and installed as standard MD 600N® yaw stability augmentation system (Yaw-SAS). The system significantly reduces pilot workload throughout the flight envelope, especially in gusty/turbulent weather conditions.
The Yaw-SAS is based on the proven MD 520N® configuration. Yaw rate data drives the right-side vertical stabilizer, which corrects out-of-trim flight. Pilot inputs during maneuvers and level flight a significantly reduced. The left-side vertical stabilizer is not connected to the Yaw-SAS.
STANDARD EQUIPMENT
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4.0 STANDARD EQUIPMENT AND FEATURES.
*Airframe Options Included as of 2008
4.1 Airframe
Rapid Door Removal Hinges (Crew Doors)*
Tinted Canopy Panels
Tinted Door/Window Panels (6)
Rain Gutter Set
Paravion Cabin Door Openers (4)
Extended Landing Gear, MD 600N
Keyed Locks (4)
Fuselage Hard Points
Jacking Fittings
Passenger Steps
Anti-Collision Lights (2)
Landing Light, Nose Mounted
Position Lights
Dual, Center-Opening, Double Doors – aft cabin
1-color Dupont Imron Polyurethane Exterior Paint
4.2 Interior
Engine Particle Separator *
LH Rotor Brake *
Heater defogger system *
Crew Seats with 4-point Harness Restraint
Passenger Seats with 3-point Harness Restraint
Vinyl and Fabric Cushions - 8 seats
Vinyl Interior Trim Panels
Crew and Cabin Compartment Floor Carpet
Map Case
Fire Extinguisher
First Aid Kit
Crew Ashtray and Lighter/28-volt Utility Outlet
Cabin Lighter/28-volt Utility Outlet
Battery-Heavy Duty Marathon 17-ampere-hour
Fresh Air Ventilation System
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MD600 TechDescription Feb09(7)
