Wren ultralight helicopter 3D model

$50

License: royalty_free

author:

cgd

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Wren ultralight helicopter

The airframe has been carefully reduced in weight and the fuselage has been reshaped. It is an ultralight helicopter uses Seibel's patented mechanism for simplified pitch control to eliminate the need for a swashplate and reduce weight and complexity. It also uses three heavy duty lightweight pneumatic-tyred castors instead of skids. This saves weight and absorbs shock better.It has a lightweight tubular steel space frame with aluminium sheeting.It is small enough to only need to occupy one space in a motor car parking lot. Like its namesake, the Wren should be a hardy little bird. The colours represent the Irish flag.

weight empty - 180 kgmaximum takeoff weight - 320 kgcruising speed - 120 km/hpower - 28kW enginemain rotor diameter - 4.600 mmain rotor speed - 375 RPMtail rotor diameter - 0.960 mmain rotor speed - 2250 RPMlength (less blades) 3.572 mfuselage length - 3.408 mfuselage height 1.660 mundercarriage width - 1.530 mtrack 1.440 mwheelbase 2.275 mfuselage width including air scoops - 0.695 mcabin width - 0.550 mstabiliser width - 0.900 mheight - 2.192 m