NASA Studying Solar Powered "Space Tugboat"
Zothecula writes "Last year, NASA announced it was seeking proposals for mission concept studies of a high-power solar electric propulsion (SEP) system that could be used in a 'space tugboat.' Such a ship would be used to ferry payloads in low Earth orbit (LEO) into higher energy orbits, including geosynchronous Earth orbit (GEO) and Lagrange point one (L1) — saving on fuel and the use of ...
NASA studying solar-electric propulsion for “space tugboat”
Last year, NASA announced it was seeking proposals for mission concept studies of a high-power solar electric propulsion (SEP) system that could be used in a "space tugboat." Such a ship would be used ferry payloads in low Earth orbit (LEO) into higher energy orbits, saving on fuel and the use of expensive secondary boosters. NASA also anticipates an SEP system could be used to propel spacecraft ...
Crane onboard tugboat hits Marquam Bridge
A crane being hauled by a tugboat collided with the Marquam Bridge Friday night.
Accused California hair salon shooter to stand trial in October
LOS ANGELES (Reuters) - A former tugboat worker will stand trial in October on charges of killing his ex-wife and seven others at a California hair salon in the largest mass slaying in Orange County history, a judge ruled on Friday. Orange County Superior Court Judge Thomas Goethals scheduled the trial of Scott Evans Dekraai, 42, to begin on October 15, almost exactly a year after the October 12 ...
Dave Whorton on Life Cycle Start-up Investing
Dave Whorton has a near-perfect pedigree for Silicon Valley. And his Tugboat Ventures taps that pedigree to help about four start-ups a year to make the transition from an idea into a substantial business. After earning his degree at Berkeley and working at Hewlett Packard (HPQ), Whorton??joined Bain & Co.?s office. He then founded and??sold ...
Tugboat Crew Recognized by Coast Guard
The Coast Guard honored a tugboat Captain and his crew for their actions in fighting a huge fire that broke out along the Valero docks. It happened back in June of 2006.
Giant tugboat, bargain price?
For auction: A 1953 U.S. Army firefighting tugboat known as the Valley Forge.
Tugboat heroics inspire mum's book
Captain Doug Hislop and his tugboat Mavis saved the Brisbane Gateway Bridge from destruction during Queensland's floods last year when they manoeuvred a fast-moving 300-tonne slab of concrete away from its pylons.
Tugboat flood hero mourns his mate
TOGETHER, humble heroes Doug Hislop and Peter Fenton helped save the Gateway Bridge from being taken out by a 1200-tonne section of the Riverwalk. But now, 12 months later, Doug is sailing solo.
Sunday Obituary: Mike Johnson was the guy to call on the water
Tugboat captain Mike Johnson, who ran the Rainier Days tug races and whose barges were the launchpad for the fireworks, died while working on the water, the place he loved the best. He was 60.
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