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originally posted by: Jukiodone
a reply to: Blackfinger
I cant remember what the comment was or who made it but someone suggested the issue was scalability when originally posted.
If you pause the first vid. at 26 seconds you get an entirely different perspective.
originally posted by: sputniksteve
originally posted by: Jukiodone
a reply to: Blackfinger
"Is that perspective just showing it is smaller than it might seem, or are you pointing out the giant door and I should assume they have one big enough to require a door that size?
I assume former, but hoping latter."
The size of the door has nothing to do with the size of the kill vehicle.
These tests are conducted at the Air Force Hover Test Facility located on Leuhman Ridge on the extreme Northeast boundary of Edwards Air Force Base. As I recall, the Hover Test Facility was constructed on top of one of the old test stands originally built for development of the Saturn's F-1 engine. The last time I was there was more than 20 years ago, so my memory may be a little rusty.
These Kinetic Kill Vehicles (KKVs) are actually pretty high performance rocket stages and generally burn Hydrazine-Nitrogen Tetroxide propellants (or similar). There are only a few places that are licensed to store and burn these very gnarly chemicals and vent the combustion products into the air; the Rocket Site at Edwards is one of them.
The KKVs themselves are loaded into the hover test area (enclosed by the nets) on a pylon that rises up from the floor. The door is there to (1) vent the exhaust gases to the outside and (2) allow star trackers on the KKVs to track stars in the night sky. (Tracking the stars is how they determine that the KKV would be capable of tracking a moving target while firing its thrusters.)edit on 19-10-2016 by 1947boomer because: Text accidentally deleted
".... The telescope needs to be capable of seeing the target let's say, a couple
of hundred KM away and the rocket propulsion system has to impart (typically)
a few km/sec of velocity to the KKV. The wavelengths and pixel size that the
telescope operates at are classified. ..."
originally posted by: TheBogmonster
Stargate, has anyone recently reminded you to seek professional help of the shrinking variety?
Just thought I'd mention it!
originally posted by: sputniksteve
Is that perspective just showing it is smaller than it might seem, or are you pointing out the giant door and I should assume they have one big enough to require a door that size?