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Forum: Models & Toys
Topic: Karst-onian Kollection: "A Place for Space"

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Message to Edit: HTML is ON UBB Code is ON Smilies Legend	Originally posted by GACspaceguy on 06-08-2017 09:26 PM I picked up this concept model and here is the description of what it could have been. Below is a description I found online, any more info would be great. <BLOCKQUOTE>[i]Named "Jarvis" after Hughes employee Gregory Jarvis who was lost with Challenger, the initial design used ET-diameter tanks, but no other shuttle elements. It would have been powered by a pair of F-1 Saturn V first stage engines and a single J-1 second stage engine. A smaller hypergolic trim stage would have been used to place up to six GPS satellites, or up to 38.6 tonnes, into orbit during a single launch. By the end of 1986, Boeing had shifted the design toward its earlier in-line shuttle-derived plans. Using four-segment SRBs, a core stage with a single SSME would have orbited 36 tonnes. A two-SSME core would have launched nearly 64 tonnes. Three SSMEs would have lifted nearly 84 tonnes. Two SSMEs in a recovery module would have orbited 59 tonnes. With a Centaur G-Prime upper stage, Jarvis would have been able to boost 7.7 tonnes to geosynchronous orbit, roughly equivalent to 15.5 tonnes to geosynchronous transfer orbit (GTO). Although Jarvis was never developed, the Boeing/Hughes relationship eventually spawned an active commercial launch system named Sea Launch.[/i]</BLOCKQUOTE> <center><a href="http://www.collectspace.com/review/gacspaceguy/jarvisconcept01-lg.jpg" target="AirLock"><img src="http://www.collectspace.com/review/gacspaceguy/jarvisconcept01.jpg" width="400" height="533" border="0"></a> <a href="http://www.collectspace.com/review/gacspaceguy/jarvisconcept02-lg.jpg" target="AirLock"><img src="http://www.collectspace.com/review/gacspaceguy/jarvisconcept02.jpg" width="400" height="533" border="0"></a> <a href="http://www.collectspace.com/review/gacspaceguy/jarvisconcept03-lg.jpg" target="AirLock"><img src="http://www.collectspace.com/review/gacspaceguy/jarvisconcept03.jpg" width="400" height="200" border="0"></a> <img src="http://www.collectspace.com/review/gacspaceguy/jarvisconcept04.jpg" width="282" height="730" border="0"></center>
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