Though the blades and body are plastic ("Thank God", says my skin and every other surface that we clipped with a propeller last night), the inner construction of the helicopter is all metal.
The most immediate and obvious difference in the construction of a fixed-wing aircraft and a helicopter is of course the latter's use of a rotor instead of a wing.
For more information, and to see images of the construction of the helicopter, click over to the The Gamera Project's website.
Budgetary uncertainty has caused the Defense Department to delay equipment repairs, the construction of a new Virginia-class submarine, the purchase of Chinook helicopters and the rebuilding of war-damaged Humvees.
The Queen jumped out of a helicopter.
Then came the noise of a helicopter, chopping, chopping.
Or, "He jumps out of a helicopter wearing his skis".
Figure 2 The two input frames of a helicopter video.
The noise and the optical appearance of a helicopter are usually undifferentiated in studies on helicopter disturbance of wildlife.
The Army added an additional $34 million to the contract in March for the construction of helicopters to be sold to Thailand's military, which recently staged a coup.
