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The Blazing Speed of Hypersonic Flight


Waspie_Dwarf

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The Blazing Speed of Hypersonic Flight

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Northrop Grumman hypersonics program manager Ricky Puig explains how a scramjet engine propels vehicles to more than five times the speed of sound and will revolutionize future air vehicles.

 

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In actual fact, ordinary space rocketry goes a lot faster than so-called hypersonic craft.  Earth's escape velocity is Mach 17, which is far faster than any of these craft can travel.  The important thing about hypersonic missiles is that they can maneuver and evade counter-missile fire, except when they can't, like Russia's Kinzhal.

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6 hours ago, Alchopwn said:

In actual fact, ordinary space rocketry goes a lot faster than so-called hypersonic craft.

That's not possible. Both are hypersonic.

And isn't this about terrestrial air travel (ya know, with family friendly intercontinental jets), not astronaut space travel?

 

 

 

 

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Posted (edited)
On 5/15/2024 at 12:28 AM, pallidin said:

That's not possible. Both are hypersonic.

You are misinformed.  Most modern hypersonic missiles can travel at about Mach 4 to Mach 7.  Intercontinental ballistic missiles made back in the Cold War needed to travel at very least at Mach 17 in order to get into space.  Yes, they are both "hypersonic", but the old missiles are so much faster.  The modern designation of hypersonic is misleading and doesn't actually refer to the speed of the missile at all, but rather its maneuver capability in flight.  This maneuver capability means the missiles are able to potentially alter their trajectory and avoid interception.  That is what all the flap about "hypersonic" missiles is all about.

Edited by Alchopwn
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