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19 Apr 2024, 21:49 [ UTC - 5; DST ]


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 Post subject: Lockheed SR-72 ? (Not a typo)
PostPosted: 12 Jan 2018, 15:40 
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Interesting past tense comments regarding a Mach 5+ aircraft. Skip to the 59 minute mark:

https://livestream.com/accounts/6056055 ... mute=false

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 Post subject: Re: Lockheed SR-72 ? (Not a typo)
PostPosted: 12 Jan 2018, 16:38 
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That would be interesting. I haven't a clue as to how they would even begin to get that to function as the resonance time was such that the propellant was out of the scram jet before it could burn.

NASA publicly did a scram jet run for several (7) seconds, but we had no idea how they were able to pull it off.

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 Post subject: Re: Lockheed SR-72 ? (Not a typo)
PostPosted: 12 Jan 2018, 17:22 
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Finally the "Aurora" is showing up? I'm almost certain I've seen this aircraft going to Edwards at night. Yellow flashes every few seconds, tremendous speed.

Ninja Edit: https://www.extremetech.com/extreme/170 ... -spy-plane

I doubt what I saw was this given the 2013 announcement :shrug:

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 Post subject: Re: Lockheed SR-72 ? (Not a typo)
PostPosted: 13 Jan 2018, 00:40 
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Why though? We have drones and satellites now-


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 Post subject: Re: Lockheed SR-72 ? (Not a typo)
PostPosted: 13 Jan 2018, 06:41 
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Username Protected wrote:
Why though? We have drones and satellites now-

Operational flexibility, higher fidelity imaging and survivability. Changing a satellite’s orbit is a big deal and takes time. Our existing drones are slow to deploy unless we are already in the AOR. Perhaps this thing is a drone/UAS?

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 Post subject: Re: Lockheed SR-72 ? (Not a typo)
PostPosted: 13 Jan 2018, 10:15 
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In global conflict, the fear of technology is almost as good as reality.

Take President Reagan and “Star Wars” maybe we had a complete missile defense system, maybe we didn’t. The Russians sure thought we did. We did have 99 B1B Lancer bombers... were they all carrying nuclear warheads? Probably not... but the Russians thought they were!

Button Boy Kim Junk Un is probably obsessed with fear over supersonic fighters, death rays and charged particle beams!

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 Post subject: Re: Lockheed SR-72 ? (Not a typo)
PostPosted: 13 Jan 2018, 10:53 
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I am curious though. I always remember a couple of these guys came to my school on recruiting trips every year, and one of the things they always saying was that they were 50 years ahead in technology of where you thought they were. How amazing is that? It was 50 years from biplanes to Apollo. Now its 50 years from the SR-71, no telling what they have out there in the desert, or out visiting Cmdr Fravor off the California coast.

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 Post subject: Re: Lockheed SR-72 ? (Not a typo)
PostPosted: 13 Jan 2018, 11:16 
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Username Protected wrote:
Why though? We have drones and satellites now-

Operational flexibility, higher fidelity imaging and survivability. Changing a satellite’s orbit is a big deal and takes time. Our existing drones are slow to deploy unless we are already in the AOR. Perhaps this thing is a drone/UAS?


You know we have a drone in low earth orbit? We can put it anywhere in probably a fraction of the time a ground based asset would require

X-37b

http://mobile.reuters.com/article/amp/idUSKBN1830PF

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 Post subject: Re: Lockheed SR-72 ? (Not a typo)
PostPosted: 13 Jan 2018, 18:57 
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An in-orbit asset is not easily re-tasked for adhoc ISR. Kepler’s Laws are tough to cheat.

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 Post subject: Re: Lockheed SR-72 ? (Not a typo)
PostPosted: 13 Jan 2018, 19:11 
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An in-orbit asset is not easily re-tasked for adhoc ISR. Kepler’s Laws are tough to cheat.


I think that’s what the big rocket motors are for


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 Post subject: Re: Lockheed SR-72 ? (Not a typo)
PostPosted: 13 Jan 2018, 19:34 
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An in-orbit asset is not easily re-tasked for adhoc ISR. Kepler’s Laws are tough to cheat.


I think that’s what the big rocket motors are for

You’ve been watching too much Hollywood. In-orbit assets (almost?) never use big rocket motors, except to de-orbit. A sub-orbital, mach 5+ asset has significant advantages over in-orbit assets.

It is very difficult to target a mach 5+ plus (adhoc) vehicle ops. Dunno if Russia or China has anything on the same scale as SBIRS.
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