Friday, December 14, 2007

HYPER x at HYPER speeds review

the hyper x is recently broke the air-breathing jet planes flying at hypersonic speed. It has a top speed of seven times the speed of sound. that is about 5,000 miles per hour. You could fly along the equator in 5 HOURS!!! it is powered by 2 scramjet engines this plane is ONLY 21 FEET LONG. The hyper x does not even kneed a pilot. Thats right it is a unmanned experimental plane.
It uses a special jet engine. It is called a scramjet. it can go as fast as a rocket but doesn't cary its own oxygen, it gets it from the air. For an engine to burn fuel and produce energy, it needs oxygen. A jet engine, like those on passenger airplanes, gets oxygen from the air. A rocket engine typically goes fast but has to carry its own supply of oxygen. A scramjet's special design allows it to extract oxygen from the air that flows through the engine. and it does so without letting the fast-moving air put out the combustions flames. However, a scramjet engine works properly only at speeds greater than five times the speed of sound.

michael and derek

htttp://www.scienceewsforkids.com/articles/20040407/note3.asp