http://www.ninfinger.org/models/vault/conestoga/index.html
Plus some backstory on this forgotten episode of space history:
http://www.inc.com/magazine/19820701/9826.html
http://www.wired.com/thisdayintech/2009/09/dayintech0909privaterocket/#Replay
http://www.b14643.de/Spacerockets_2/United_States_7/Conestoga/Description/Frame.htm