WhiteKnightTwo carried SpaceShipTwo to 50,000 feet before releasing it for free flight.
A subsequently constructed steam-propelled model made a free flight of forty yards.
He was thinking of Man, from the cave to Venus, from the wheel to free flight.
He could not essay it directly from the ground, his quarters being too straitened for free flight.
We will reach it in something over two hours of free flight.
The rocket was now in free flight, its inertia counteracting gravitational pull.
But he did notice that she looked rapt and starry-eyed even through the long and dreary hours of free flight.
It ran suspended to a wire on its trials but failed of free flight, in consequence of defective equilibrium.
He has watched with envy the free flight of birds, and has tried to imitate it, usually with disastrous results.