By Jim Mesko, Joe Sewell, Don Greer
Built out of the DB-7 sequence of sunshine bombers. A-20s, Havocs & DB-7s observed motion in nearly each significant theatre of operation in the course of WWII. Used as a gentle bomber, floor strafer & nightfighter. Over a hundred pictures, forty aspect drawings, three pages of scale drawings, thirteen colour work, 50 pages.
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Additional info for A-20 Havoc in action No 144
7 m. 1 m diam RESEARCH FACILITIES AND PROGRAMS - 444 FEET BELOW •* GROUND LEVEL NITROGEN ACCUMULATOR jig BOTTOM OF SHAFT 510 FEET BELOW GROUND LEVEL Fig. 6 Bottom of the 145-m drop tower. E. 14 metric ton capacity Clean room Fed. Std. 209 Class 10,000 (Class 100 potential) Data Acquisition 18 channels of continuous data telemetered from experiment capsule (Standard IRIG FM/FM) Frequency range: 6 cps. to 10,000 cps. 5 cm thick welded steel plates. A gravitational force of 10~5 g can be simulated by evacuation of the vacuum chamber to a pressure of 1(T2 Torr.
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NASA maintains three provisions for partial sponsorship of research in space, Joint Endeavor Agreements, Technical Exchange Agreements, and Industrial Guest Investigator programs. University and industrial researchers may submit proposals directly to NASA for funding or to other government agencies such as the National Science Foundation (NSF). Commercial Activities NASA maintains a commitment to the commercial use of space and has formulated outreach programs to industry. Joint Endeavor Agreements, Technical Exchange Agreements, and the Industrial Guest Investigator programs are mechanisms for involving commercial enterprises in the conduct of research in a low-gravity environment.