From: Adam Lewis [adamswork@yahoo.com] Sent: Thursday, July 19, 2001 6:44 AM To: blue_planet@lists.ient.com Subject: Re: [BLUE PLANET] - fast native foil-cats Nice site. It reminded me of the trimaran(sp?) in Waterworld. I looked everywhere for a good picture of that but for some reason there aren't many sites dedicated to Waterworld (hehe) http://www.movieweb.com/movie/waterworld/wwf.jpg AdamL --- Andrew Sturman wrote: > HI All > > Think this would be a feasible design for a native > Storm-runner? 45 knots would be pretty cool... > > http://www.cat-alist.com/headlines/hydroptere.htm > > Andrew > > ____________________________________________________________ > Do You Yahoo!? > Get your free @yahoo.co.uk address at > http://mail.yahoo.co.uk > or your free @yahoo.ie address at > http://mail.yahoo.ie > *************************************************************************** > To unsubscribe from this list send mail to > majordomo@lists.ient.com > with the line 'unsubscribe blue_planet' as the body > of the message. > __________________________________________________ Do You Yahoo!? Get personalized email addresses from Yahoo! Mail http://personal.mail.yahoo.com/ *************************************************************************** To unsubscribe from this list send mail to majordomo@lists.ient.com with the line 'unsubscribe blue_planet' as the body of the message. From: Andrew Sturman [andrew_b_sturman@yahoo.co.uk] Sent: Thursday, July 19, 2001 4:25 AM To: bplist Subject: [BLUE PLANET] - fast native foil-cats HI All Think this would be a feasible design for a native Storm-runner? 45 knots would be pretty cool... http://www.cat-alist.com/headlines/hydroptere.htm Andrew ____________________________________________________________ Do You Yahoo!? Get your free @yahoo.co.uk address at http://mail.yahoo.co.uk or your free @yahoo.ie address at http://mail.yahoo.ie *************************************************************************** To unsubscribe from this list send mail to majordomo@lists.ient.com with the line 'unsubscribe blue_planet' as the body of the message. From: Sir Charles [chalz@earthlink.net] Sent: Thursday, July 19, 2001 6:11 PM To: blue_planet@lists.ient.com Subject: Re: Re: [BLUE PLANET] - Sub Combat Sorry I'm late on this. Someone might've gotten to it already. > Here's something I heard from a friend, who read it on nother mailing list he's on. I > wondered if anyone could shed any light/opinions/etc. > > Apparently, one of the reasons that the Russians were so reluctant to let anyone onboard the > Kursk is because it was testing the second generation of Russian supersonic torpedoes. > Yes - that's right *supersonic torpedoes* This was covered a couple months ago. Scientific American article, and a webisode called 'Deep Angel' at http://www.deepangel.com ... It all came on the mailing list a ways back ;) *************************************************************************** To unsubscribe from this list send mail to majordomo@lists.ient.com with the line 'unsubscribe blue_planet' as the body of the message. From: Sir Charles [chalz@earthlink.net] Sent: Thursday, July 19, 2001 6:27 PM To: blue_planet@lists.ient.com Subject: Re: [BLUE PLANET] - Supercavitiating weapons. > Below-the-waterline "phalanx" type gatling guns to intercept incoming > torpedos is one idea. Mouting such a gun on a helo (or jumpcraft in BP) > for a weapon that is stable in air and water would be possible as well. > Also I don't know the exact velocities necessary for supercavitation, but > considering that small arms bullets today break the sound barrier (in air) > it would be possible as well to have rifles and pistols that "work" in the > water (i.e. no damamge or range penalties). Scientific American says the US is investigating such designs for sub-based guns and helicopter-mounted anti-mine guns. > in water. Such weapons would be straight line, or wire guided, and > considering the velocites of BP tech subs, you'd have time to react and > change course before impact (unless the weapon is travelling faster than > sound, then you wouldn't "see" it before it hit). But for shorter ranges, > they'd be deadly (and noisy). That's the point of the supercavitating weapons - faster than sonar. Cannot be detected like that. And even still, considering max velocity underwater and the size of the vessel, it might not be able to avoid the shots. Is part of why torpedoes are often not fired alone, but in a 'spread' - multiple impact locations, and also like deflection shooting in the air - shooting in anticipation of the target's location. --Chip *************************************************************************** To unsubscribe from this list send mail to majordomo@lists.ient.com with the line 'unsubscribe blue_planet' as the body of the message. From: Sir Charles [chalz@earthlink.net] Sent: Thursday, July 19, 2001 6:31 PM To: blue_planet@lists.ient.com Subject: Re: [BLUE PLANET] - Supercavitiating weapons. > A point that has been made that sonar cannot be used to > guide a supercavitating weapon (SCW) since it travels at > supersonic speed but surely we are talking about supersonic > speed in *air* not water: supersonic *water* speed is much > much higher. Sound travels much faster in water so sonar Actually, the ability to travel trans-sonic in water - yes, that's what they're usually referring to. > guided SCW might not be impossible afterall. Okay they > won't have much time to react but picture a normal wire > guided stealth torpedo with search capability carrying such Except to note that turning while in the supercav bubble is *incredibly* difficult; adding fins increases drag and decreases the stability of the bubble; if you use vectored thrust, you have to make wide turns or the bubble collapses - most likely detonating the warhead too soon. *************************************************************************** To unsubscribe from this list send mail to majordomo@lists.ient.com with the line 'unsubscribe blue_planet' as the body of the message. From: Troy Gustavel [troy_nevermore@yahoo.com] Sent: Thursday, July 19, 2001 10:36 PM To: blue_planet@lists.ient.com Subject: Re: [BLUE PLANET] - Supercavitiating weapons. Just a note on super-cavitation. I first encountered it in a popular science article a few months ago and they mentioned that research is being done on creating SC vessels. Manned submariens traveling at Mach speeds. The technical hurdles are still enormous, but the research IS being done. ===== Troy Gustavel 5825 Bolender Rd. Akron, OH 44319 (330)882 5468 Troy_Nevermore@Yahoo.com "Once upon a midnight dreary..." __________________________________________________ Do You Yahoo!? Get personalized email addresses from Yahoo! Mail http://personal.mail.yahoo.com/ *************************************************************************** To unsubscribe from this list send mail to majordomo@lists.ient.com with the line 'unsubscribe blue_planet' as the body of the message.