Recent content by abhi88

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    Unmanned Aircraft System - Why not Helicopters?

    Unmanned Aircraft System - Why not Helicopters?? Hello everyone! i was a little curious to know the reason behind choosing a fixed wing Aircraft over a helicopter for a typical unmanned reconnaissance Aircraft system. The ones in service with air forces worldwide rarely use helis. Apart from...
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    Profile Drag and Pressure Drag?

    Read carefully. The airfoil is separated into thickness distribution and camber. This thickness distribution, then would be symmetrical abd won't have any effect on lift (atleast not much significant effect).
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    Why Does Low Level, High Speed Flight Decrease Aircraft Efficiency?

    Search for the reason Airliners fly at 30,000ft during cruise. and, as far as speed is related, you must be aware of the 'wave drag' and 'critical mach number'.
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