In a surprising turn of events, the United States government is calling upon its country’s industry to reverse engineer components for the Air Force’s B-2 Spirit stealth bomber. The requirement includes reverse-engineering the re‐core process for the B‐2 Load Heat Exchangers. The B‐2 Load Heat Exchanger (NSN 1660‐01‐350‐8209FW) uses air and Ethylene Glycol Water (EGW) liquid to produce cold air for the cooling system. (www.thedrive.com) 更多...