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  #1  
Old 11-17-2004, 01:33 PM
Wayne Hicks Wayne Hicks is offline
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Default Scramjets to Mach 10

Try this on for size:

-- A 300 pound engine
-- No moving parts (well, one if you count the cowl door)
-- 2 miles a second (Los Angeles to New York in 20 minutes)

Yesterday, NASA once again broke the world speed record for an aircraft with an air-breathing engine. The X-43A, "Hyper-X", achieved mach 9.6 at 110,000 feet with its scramjet engine.

We don't need no stinkin' turbochargers and superchargers (but we will need the required IFR rating to fly above 18,000 feet).
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Old 11-17-2004, 02:12 PM
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I would switch to this engine, BUT, at that altitude i would have to wear a preasure suite, don't mind BUT, can't find one for my Dawg.
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  #3  
Old 11-17-2004, 04:32 PM
Wayne Hicks Wayne Hicks is offline
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Pressurized cabin, shirt sleeve environment? (SpaceShipOne?)
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Old 11-17-2004, 05:27 PM
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How much would I need to shorten my canard?
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Old 11-17-2004, 06:21 PM
Wayne Hicks Wayne Hicks is offline
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Not much. The intense aero-heating would do that for you. Hyper-X experience temperatures well over 3,500 degrees F during the flight.
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Old 11-17-2004, 06:38 PM
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John Slade John Slade is offline
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Cool, Wayne.

If I remember rightly, you had a small hand in that project yourself, right?

So.... what's the next step with this technology?
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Old 11-17-2004, 07:29 PM
Wayne Hicks Wayne Hicks is offline
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Going tactical to practical will be a big leap. The hypersonic flight regime is the one we know least about. The shape of scramjet engines define the mach ranges they can work in. This particular scramjet is built to work at mach ranges from 5 to 10. It won't light at mach 3 for example. The very next step is military (of course). That step is going to be carbon-fueled scramjet missiles that will put cruise missiles to shame.

The civilian application will be more years down the line.
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