https://assets.newatlas.com/dims4/de...44813f03-o.jpg 800w,https://assets.newatlas.com/dims4/de...44813f03-o.jpg 1200w,https://assets.newatlas.com/dims4/de...44813f03-o.jpg 1920w" alt="In order to take off from standstill on a runway, then accelerate through to hypersonic speeds, a hybrid engine is required" />

Atlanta company Hermeus has its sights set on Mach 4 next year, to beat the Mach 3.3 benchmark set by the SR-71 Blackbird way back in 1976. Watch its Chimera hybrid engine nailing the switch between low-speed turbojet mode and hypersonic ramjet mode.

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Category: Aircraft, Transport

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