Earth-to-Orbit SSTO RLV projects (Martin VTO & Boeing HTO)

Stargazer2006

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Just came across this very interesting 1978 paper prepared for NASA by General Research Corp. and depicting a great number of hypothetical orbiter designs, including a "Martin VTO" and a "Boeing HTO". I hope they do not appear elsewhere on the forum already. (my search for them brought no results).

http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19790019021_1979019021.pdf


The so-called "Martin VTO" is a 249-ft. vertical takeoff/horizontal landing single-stage-to-orbit (SSTO) launch vehicle (first attachment).

The so-called "Boeing HTO" is a 206-ft. horizontal takeoff and landing single-stage-to-orbit (SSTO) launch vehicle (second attachment).

The other designs in the same paper are by GRC (with one by LaRC) and will be depicted in the next post below.
 

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Stargazer2006

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Next comes a GRC design for a 239-ft. two-stage vehicle (C).
Like the Martin and the Boeing design, it is all-rocket and sled-assisted.
Like the Boeing design, it is also a horizontal takeoff and landing vehicle.


In parallel with the above three designs, the paper presents three more notional designs:

- a GRC-designed subsonic-staged parallel-lift launch vehicle with single turbojet booster (D)
- an LaRC-designed supersonic-staged parallel-lift launch vehicle with twin booster (E)
- a GRC-designed hypersonic-staged air-breathing two-stage launch vehicle with turbojet plus scramjet booster (F)

The last diagram below recapitulates all six designs.
 

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Stargazer2006

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Interestingly, a seventh design is introduced, which is not on the above diagram, for a GRC-designed subsonic-staged parallel-lift launch vehicle with twin turbojet booster. In the words of the author "the vehicle design (Fig. 4-9) was available only late in this study, and hence is considered only in the cost analyses". However, the paper presents no less than 4 paintings of the same configuration, with large winged boosters hanging under the main wings.
 

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Grey Havoc

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It would seem to me that the subsonic-staged parallel-lift launch vehicle would be quite a good investment right around now.
 

sferrin

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This thread is both cool and depressing at the same time.
 

Grif

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Has anyone else noticed the resemblance to the mis-named "lifting bodies" on the "Zero-X" spaceship in the film "Thunderbirds are Go"?
Grif
 

OM

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Grif said:
Has anyone else noticed the resemblance to the mis-named "lifting bodies" on the "Zero-X" spaceship in the film "Thunderbirds are Go"?
Grif

...Not here. Which particular design is triggering the thought in your case?
 

Gridlock

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Zero X:


I'm more intrigued by the resemblance between certain details on the GRC and one particular sighting from Tikabook Peak.
 

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RanulfC

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Stargazer2006, this is your official "Thanks" for finding that document from me :)

It was cross-posted to a thread over at nasaspaceflight.com on the forums. The main concept is the Langley "Spacejet" Launch Vehicle Concept which is one I've been interested in for quite a while.

Found topic here:
http://www.secretprojects.co.uk/forum/index.php?topic=11026.msg103877;topicseen

But again thanks because I hadn't had any economic analysis before this helps a lot.

Randy
 

Triton

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Artist's impression of Boeing single-stage-to-orbit (SSTO) spacecraft press photo found on eBay.

Source:
http://www.ebay.com/itm/1975-Press-Photo-Boeing-Aerospace-Craft-Drawing-/390448206209?pt=Art_Photo_Images&hash=item5ae886d181
 

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