Scramjets

The main advantage of Scramjet engines is their capability for extreme t****t output. The X-43, which is the main aircraft utilizing the technology, exhibits a t****t to weight ration of nearly 4:1. This compares favorably with the fact that conventional aircraft rarely exceed a ration of 1:1. The X-43 has travelled in excess of Mach 10, which translates to 6,600 MPH.