The term is rotate. It is the point when the aircraft is at a speed that it can safely lift off and the pilot rotates the control column aft to make the plane climb. Source(s): Former USAF Aircrew.
Crazing is the phenomenon that produces a network of fine cracks on the surface of a material, for example in a glaze layer. Crazing frequently precedes fracture in some glassy thermoplastic polymers.razing occurs in some thermoplastics such as acrylonitrile butadiene styrene (ABS plastic) when stressed. It is a typical response in rubber toughening, where crazes are initiated at the surfaces of the rubber particles added to toughen the material.
Here is a list of the most common causes for pinging starting with the most popular ones. 1  Fuel octane rating too low. 2  Compression too high. (usually caused by carbon build up inside the combustion chambers) 3  Over heating of the engine or just an individual cylinder. (Hot spots)  Knock detector faulty.