Demanding Design Boosts Shuttle Engine

Orlando FL (SPX) Nov 30, 2010 A space shuttle main engine burns at 6,000 degrees F, but the outside of the nozzle remains cool to the touch. Prior to launch, sometimes it even frosts over. The nozzle technology that allows a finger-width of ridged metal to contain and steer flames that would boil iron is just one of the scores of innovations designers came up with for the engines three decades ago. Such advances

URL: http://www.space-travel.com/reports/Demanding_Design_Boosts_Shuttle_Engine_999.html