DIRECT Shuttle Derived Launch Vehicle
v0.1 - development version / wip / demo - v0.1
(20061209 - CLV)
for Orbiter v060929

     DIRECT SDLV addon is based in a proposal for an alternative approach to launching missions planned under NASA's new mandate: The Vision for Space Exploration (VSE). DIRECT would replace the separate Ares-I Crew Launch Vehicle (CLV) and Ares-V Cargo Launch Vehicle (CaLV) with one single "Universal Launcher", capable of performing both roles.

     DIRECT's architecture completely removes the costs & risks associated with developing and operating a second launcher system and would use existing Space Shuttle's facilities / hardware to lift over 70mT (basic configuration) up to over 98mT (with an Upper Stage). It could introduce many key benefits (optimum use of existing NASA and contractor workers know-how, equipment, development costs, upgrade paths, early return to the Moon) over the current Ares Launch Vehicles.

     To read this addon's documentation (Introduction, Install and Uninstall notes, List of Files, DIRECT Launcher (CLV) description, Performance Data, Flight Manual, "Legal Stuff", Credits, Thanks and Feedback notes) please search for the following path in the zip structure:

Doc\NASA_DirectSDLV\NASA_DirectSDLV_v0.1.pdf

note: if you already installed the addon, just click above, in the name of the document.

António Maia
http://simcosmos.planetaclix.pt
http://www.flickr.com/photos/simcosmos/

A Few Related Links (of many):
www.directlaunher.com : see the latest version of the proposal, images, video, etc
launchcomplexmodels: site of Ross B. Tierney, author of DIRECT proposal

DIRECT Goes Live!      (nsf forum)
Nuclear propulsion systems for DIRECT (nsf forum)
DIRECT Pad Designs  (nsf forum - past discussion)
DIRECT Alternative      (nsf forum - past discussion)

Second Guessing NASA VSE (part1)                        (nasaspaceflight)
The challenge of making sound engineering decisions (thespacereview)