Sail downwind faster than the wind!
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From: Autymn D. C. on 2 Aug 2010 03:47 On Jul 30, 2:40 am, John Doe <j...(a)usenetlove.invalid> wrote: > It is discussed on the website (http://www.physicsforums.com) > recently as this year. > > I see some problems with the idea as argued. They keep talking > aboutwindspeed with respect to ground speed as if that is a > power generator. They also seem to be pretending that gearing, or > the difference between wheel and propeller rotation speeds, is > somehow a power source. > > The follow-on argument appears to be that you can sail directly > into thewind. > > I see no prior discussion here on UseNet. On the Internet, I see > it is discussed as early as 2007. Apparently the idea was > originated by Jack Goodman in 2006. Glue is fast; rockets are swift; birds are quick; pizza is speedy; motes are fleet. It doesn't matter what the speed is; as long as there's more wind downwind, it will pump the sail forward. -Aut
From: Autymn D. C. on 2 Aug 2010 03:49 On Jul 30, 9:24 am, "Cwatters" <colin.wattersNOS...(a)TurnersOakNOSPAM.plus.com> wrote: > plane ticket and go measure it's performance yourself. It's probably the its, retard
From: Autymn D. C. on 2 Aug 2010 03:57 On Aug 1, 4:59 am, "Y.Porat" <y.y.po...(a)gmail.com> wrote: > about "sailing agisnst thewind' > it is an illusion!!! > as usual mathematicians are discussing > 'paper discussions '' > on issues tha they never experienced There are no illusions, but delusions. > 2 > in addition to that > the boat is moving in a zig zag line > against the wind switchback
From: Autymn D. C. on 2 Aug 2010 03:58 On Aug 1, 5:16 am, Tom Roberts <tjroberts...(a)sbcglobal.net> wrote: > BTW a modern sailboat on a reach can sail considerably faster than thewind. But > no boat can do so when running before thewind. The wind is free, not fast. The statement is absurd.
From: Cwatters on 3 Aug 2010 06:37
"John Doe" <jdoe(a)usenetlove.invalid> wrote in message news:4c529e1b$0$21228$c3e8da3(a)news.astraweb.com... > It is discussed on the website (http://www.physicsforums.com) > recently as this year. > > I see some problems with the idea as argued. They keep talking > about wind speed with respect to ground speed as if that is a > power generator. They also seem to be pretending that gearing, or > the difference between wheel and propeller rotation speeds, is > somehow a power source. > > The follow-on argument appears to be that you can sail directly > into the wind. > > I see no prior discussion here on UseNet. On the Internet, I see > it is discussed as early as 2007. Apparently the idea was > originated by Jack Goodman in 2006. "The North American Land Sailing Association made it official Tuesday when it ratified the results"... Read More http://www.wired.com/autopia/2010/07/its-settled-downwind-faster-than-the-wind-officially-possible/#ixzz0vXQCGwcA |