72 Miracles Ahead! 



about fifteen hundred pounds, have a standard sixty-inch 

 wheel tread, and do sixty to seventy miles per hour on the 

 highway. The body will be transparent to give the passengers 

 it will carry three a complete view on all sides. 



When a person wishes to take to the air, he backs the 

 Aerocar into the garage and attaches its combined wing and 

 outrigger tail assembly. A pusher propeller is mounted at the 

 rear. Once in the air, the plane will reach a speed of one hun- 

 dred miles per hour, consuming the same amount of fuel as it 

 would at sixty miles per hour on the ground. It will be able 

 to cruise for a distance of two hundred and fifty miles. This 

 will undoubtedly be the first airplane to be equipped with 

 four wheels. 



Neither the Readable Airplane nor the Aerocar will be as 

 practicable in congested city areas as the Helicab, but each 

 will find its use. 



Simplified Flying Techniques 



All designers agree on the importance of designing a "fool- 

 proof" plane that will behave itself under all sorts of condi- 

 tions. Of course, if a person is a poor automobile driver he 

 will be unhappy in a plane. But if he can handle his car skill- 

 fully he will be able to fly well. W. T. Piper promises that 

 the light plane will be practically foolproof "but not darn- 

 foolproof." 



A plane's control system directs the course of the ship by 

 changing the position of parts of the wings or the tail so the 

 air strikes them at a different angle. This permits the plane to 

 change direction about any of its three axes vertical, longi- 

 tudinal, lateral. 



The sideways motion of the plane about its vertical axis is 

 controlled by the rudder on the tail. Pressure on the foot 

 pedals moves the rudder, causes the air to blow the tail to one 



