Scramjet facts for kids
Scramjet is a type of jet engine. Like other jets it pushes mixed air and gas out of the back to make it go. Like other ramjets it doesn't use a mechanical compressor. Engineers have experimented with it since the 1950s. They hope a scramjet will work someday at 15 times the speed of sound (mach 15).
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de:Staustrahltriebwerk#Überschallverbrennung im Scramjet
Scramjet Facts for Kids. Kiddle Encyclopedia.