rotorcraft

Here's a video of the test run for the small, 15 ft version of this 'rotorcraft':

TreeHugger 2009

Mom I am about to be arrested, it is illegal to use rotorcraft to transport hunters in Alaska.

Caption Contest: Write the Best, Win a Pair of Korkers Wading Boots 2010

Mom I am about to be arrested, it is illegal to use rotorcraft to transport hunters in Alaska.

Caption Contest: Write the Best, Win a Pair of Korkers Wading Boots 2010

Dunn told its recipients the report had been written by a group of veteran combat helicopter pilots, test pilots, and rotorcraft engineers.

The Dream Machine Richard Whittle 2010

The combined rate of descent and speed at which any particular rotorcraft might go into vortex ring state depends on various factors—the size and shape of its rotors, its flying weight, wind conditions, etc.

The Dream Machine Richard Whittle 2010

When a rotorcraft takes off straight up or hovers, it has to produce a pound of thrust for every pound it weighs, plus enough to compensate for whatever portion of its rotor downwash pushes down on the fuselage and other parts of the machine.

The Dream Machine Richard Whittle 2010

Dodge and the other Marines in the MOTT are also assigned to HMX-1, the eighty-pilot special squadron that flies the president and other government VIPs in helicopters and tests new rotorcraft for the Marines.

The Dream Machine Richard Whittle 2010

He also told the NASA panel there were other ways a rotorcraft could get into vortex ring state.

The Dream Machine Richard Whittle 2010

One way to determine how much horsepower will be needed in a rotorcraft is to calculate its “disk loading.”

The Dream Machine Richard Whittle 2010

Like a lot of helicopter pilots, Rivolo thought the ability to autorotate was a vital safety feature for a rotorcraft going into combat.

The Dream Machine Richard Whittle 2010