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"For rig tests, the Institute has designed a module of a hydrogen supersonic combusting ramjet. During tests under simulated flight conditions at speeds of Mach 7.4, the engine delivered forward thrust," the Institute explained.
originally posted by: stormbringer1701
we better get going, then.
thats for big ol' honking 3 semi truck/ trailer long space planes though
originally posted by: nelloh62
originally posted by: stormbringer1701
we better get going, then.
Methinks USA is already there if what we read in all these threads turn out to be true. My only concern is can russia build and sustain an airframe with a mach 7 engine that wont fall apart ? Along different lines maybe, the UK has been developing the sabre engine but I have no idea where they are up to now
originally posted by: nelloh62
originally posted by: stormbringer1701
we better get going, then.
Methinks USA is already there if what we read in all these threads turn out to be true. My only concern is can russia build and sustain an airframe with a mach 7 engine that wont fall apart ? Along different lines maybe, the UK has been developing the sabre engine but I have no idea where they are up to now
originally posted by: Zaphod58
a reply to: enlightenedservant
Why couldn't they? It's just like in your car, where you're accelerated with the vehicle.
Sorry, that sounded sarcastic and really wasn't meant to.
originally posted by: Sammamishman
a reply to: enlightenedservant
This type of engine will be for fast relatively straight line flight. It won't be able to maneuver like a fighter jet at mach 7.
The issue with G-forces only come into play when something tries to turn hard while at high speeds or accelerates/decelerates too quickly for the human body to handle.
originally posted by: Zaphod58
a reply to: enlightenedservant
I hadn't had my morning caffeine yet. I don't deal well with people this early. Heh.
The biggest problems they've had have been altitude, not speed. They're accelerating with the aircraft add it does so there's no problem with speed. Altitude and Gs from turning will give them trouble.
Something with this kind of speed isn't going to pull a lot of Gs so that's not a problem, and will fly so high they'll wear pressure suits for the altitude.