KJ_Lesnick
ACCESS: Top Secret
- Joined
- 13 February 2008
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The Navy one, was that the Deck Launched interceptor I heard about before?
XP67_Moonbat said:Not as good as Archipeppe's handiwork, but I do what I can. Enjoy!
PS- ZUJ for the McD TAV and Toss-Back concepts. W.I.P.
XP67_Moonbat said:Plain ol' AutoCAD.
"All the afterburning turbojet/fans used in the HyFac study were conventional installations
where the airflow to the compressor increased in temperature and pressure. At about Mach
number 1.8, most compressors reach the point where the corrected speed for design efficiency
equals the machanical rotational speed limit of the compressor. At Mach numbers above this
point the mechanical speed is constant and the corrected compressor speed (N/sqrt(T/288K)
decreases. If there is a cryogenic heat exchange in the inlet between the inlet exit and
compressor entrance, then the temperature of the air entering the compressor can be kept at
that for best corrected speed, up to the Mach number limit where the heat exchanger can no
longer keep the temperature within limits. When such a turbojet is thermally integrated with a
rocket, there is no longer a transonic acceleration deficiency. This is not a classic definition of
a turbojet." I may also add, this is similar to what skylon is doing.
shockonlip said:Were any these your possible RASCAL refs:
http://www.responsivespace.com/Papers/RS2%5CSESSION%20PAPERS%5CSESSION%208%5CLOPATA%5C8004P.pdf
http://smartech.gatech.edu/bitstream/1853/8372/1/AIAA-2005-3241.pdf
XP67_Moonbat said:Why did Bill Rose in SP: Military Space Technology, portray the Incremental Growth Vehicle (IGV) as Project ISINGLASS? It's the IGV. We've discussed it here on this forum before. Scott even posted the AWST article detailing it the other day.
Why is Bill Rose so convinced that the IGV is Project ISINGLASS? Is there more to this?
XP67_Moonbat said:Picture 3 is what Bill Rose depicts as the "Aerospaceplane project from the early 70's". According to his book "SP: Military Space Technology", this was supposed to be a revival of Rheinberry using airbreathing propulsion.
(I'm not going to hate on Mr. Rose. While his books are informative, his info does sometimes seem a bit dubious. Canadian Arrow's SpaceShip One taking the X-Prize, anybody? And considering SP: M.S.T. didn't have a bibliography, you have to wonder.)
Firstly, the comments regarding the Canadian Arrow project details in MST
are a puzzle to me. My relatively brief entry was precise and completely
accurate and there is nothing dubious about the info, as suggested by the SP
member.
The Arrow represented the most ambitious proposal for a (recent) development
of the basic V-2 design, but the people behind this project finally dropped
out of the race. As you know, the honour of becoming the first private
citizen in space went to Mike Melville of Scaled Composites - which was
clearly stated in my book. There is nothing that says that the Canadian
Arrow took the X-Prize, as it obviously didn't!
Two things missing from MST were the credits, which were intended to go at
the start of the book, but didn't appear on the final printed copy (don't
ask me why) and a bibliography, which, to be honest, I don't regard as very
important.
Background information (for MST) came from many sources. I used numerous
reference books, which most of the more experienced forum members would be
familiar with. There were also publications like Spaceflight and various
aerospace magazines. The amount of material I studied can only be described
as substantial, with a lot of library special orders.
The bulk of the other background material was sourced directly from
contractors, agencies like NASA and the military. Finally, there are my
private contacts which are not for disclosure.
Roughly speaking, my budget for research was about double that of the
previous book.
The content, size and completion date for a book like MST will be specified
in the publisher's contract and all these factors can lead to things being
left out or changed at the editing stage.Unfortunately, with books and
magazine articles, there is never the option to go back and improve your
work. ...
MST was never going to be perfect. There are obvious gaps in the detail and
undoubtedly errors due to non-availability of certain information. Without
trying to state the obvious, I would also mention that there are times when
you find yourself brushing up against areas that are classified and this can
generate certain problems for any writer.
The book was written a couple of years ago and should it ever be updated, I
would make several minor changes, but in overall terms, I feel the content
is fairly solid and an honest attempt to outline the topic in a reasonably
interesting way.
The Isinglass drawings were most definitely not based on the IGV, despite
the similarity. Unfortunately there is a caption problem with these drawings
and I would now add additional information about the IGV, which I did not
have at the time.
Because of the reliability of my source for Isinglass, I think it is pretty
fair outline for the original proposal, although it is based on details
provided to me and the illustrations are to some extent speculative.
With a book like MST, information you've requested continues to arrive long
after the publisher's deadline. Last month I received documentation from
NASA in response to a long standing FOIA. ...
The same goes for McDonnell hypersonic vehicle projects, which were far more
extensive than I realised while writing the book. Now, I have some very
interesting info for future use.
XP67_Moonbat said:Well good to see Mr Rose has clear that up. I'll have to get a future edition.
For today I give you this. Enjoy!
DISCLAIMER: The dimensions on the TAV come from the webarchive of Marc Lindroos's old page. Starting with that as reference, I approximated the dimensions for Toss-Back Booster. As we've so far not seen solid unclassified info on the Toss-Back, I made a guess. Input from the forum is always welcome.
Moonbat
HyperTech said:You have mixed and matched several different projects from 1956 to 1972. NOTE None of the McDonnell Aircraft Engineering or McDonnell Missile Engineering Divisions ever designed a hypersonic wing-body glider except as a strawman to destroy. Bill Sweetman did NOT take the XLR-129 powered glider that is from the top of a file cabinet at McDonnell St. Louis, circa 1958. I'll have to make a note of the different pictures and tell you what they are. Included in your pictures are a USAF Mach 6 rocket accelerated SLBM interceptor launched from a C-5 circa 1974, a USAF Mach 4.5 turboramjet interceptor circa 1972, a USAF Mach 6 turboramjet interceptor circa 1972, a XLR-129 powered hypersonic glider with a 25,000 nautical mile glide range circa 1958 and others. If I can ever figure out how to paste pictures can give you a snapshot of the best hypersonic design team from 1956 to 1972, with Lockheed as a very close competitor.
XP67_Moonbat said:I think that might be a wind tunnel model of a proposed Shuttle first stage.
Moonbat
KJ_Lesnick said:The GIUK Interceptor, was there ever any mention of what kind of engines were to power it?
... because Bill Sweetman, and Mark Wade's Encyclopaedia Astronautica, were my only reference sources for HGV .XP67_Moonbat said:Andreas Parsch's website even said the same thing ...