The biggest lift drag ratio 3.36 considering viscous effects is obtained at Mach 6 when a proper base conical shock wave angle is chosen.

在设计点附近选取合适的半基准圆锥激波角并考虑粘性影响时，可得到乘波体最大升阻比为3.36；

youdao

Hypersonic aircraft can attack the goal nearly one thousand kilometers far during the time under 10 minutes relying on high speed (cruise at 6-10 Mach).

高超音速飞行器具有凭借其高速度(巡航马赫数6—10)，在不超过10分钟的时间内就能够打击近千公里远的目标。

youdao

Though the WaveRider was designed to reach Mach 6, or six times the speed of sound, program officials were satisfied with its performance in the latest test.

NPR: Experimental Air Force Aircraft Goes Hypersonic