Martin “Spacemaster:” APR article 25

From original APR print issue V4N2 comes this 11 page article on the Martin “Spacemaster,” a concept for a two-stage Space Shuttle. The Spacemaster was unique in that the baseline booster was a dual-fuselage “catamaran” vehicles. Numerous diagrams of several versions of the Spacemaster. Download for only $2.00.

Given the troubles of late with PayPal ordering buttons on blog postings, order it (and all the other currently available APR articles) here: http://www.up-ship.com/blog/eAPR/articles.htm