Folks In fact, I believe the correct acronym is derived as follows:The Missile in question is composed of the combination of the high-speed upward motion of Pierre and Big, launched from Underwater. Which would form the 'Underwater, Pierre and Big Upward Missile", or the UPBUM. Which Navies around the world are also notorious for using, and more often in combination with (uncle) SAM.
EM.(no offence intended Pierre! Feel free to get into any acronym-flauting pissing contest folks..!)
Dan H. wrote:
I meant the missiles that pop out of the water and up into the air, what ever they're called. You got the picture. ;-) Dan H. ----- Original Message ----- From: "Coalbunny" <coalbunny@vcn.com> To: <personal_submersibles@psubs.org> Sent: Friday, May 07, 2004 2:27 AM Subject: Re: [PSUBS-MAILIST] ABS - 3/17.1.1 - Normal Ballast SystemDan, excellent post! FYI- SAM is surface to air. You mean ICBM, correct? I know the navy launched cruise missiles frim underwater, but I think they did SAMs. Carl Dan H. wrote:Pierre, As much as you may want to, it's almost impossible to build a small home built P-SUB to meet all the specifications called for in ABS, PVHO, the Coast Guard and the like. Try your best to meet as many of their requirements and look very closely at the ones you can't meet. Some oftheregulations aren't a must for the way we will be using our small subs. ( I except a bunch of flask to this message, but it's reality.) My tiny K-350 is a world apart from Alvin and other small subs of it'skind.My sub won't hold a candle to it as far as it's capabilities and usesandcan't be expected to hold a candle to it in safety features either. Please don't get me wrong. I am VERY safety conscious, but if I'mputtingaround in my little yellow toy at the bottom of a lake with a maximumdeptof 60 feet, I'm not to concerned about a three day life support system. Heck, if I'm not home for supper, my wife will have the divers and a tow truck there to drag me out before the dinner gets cold. Seriously, with a dive plan, my surface support people will have thediverescue in the water in no more then an hours in any lakes in my area.WhenI dive somewhere else, I'll surely outfit my sub accordingly. Plan safe, build safe, dive safe but don't get to hung up on standardsthatyou don't need to be concerned with. If you won't be in a body of water that ever gets swells over a foot, is three feet of freeboard really required? On another note. You mentioned that you have 800 pounds of drop weight. That's a LOT OF WEIGHT! If you let 800 pounds drop all at once you'llbreakthe surface like a SAM missile! I hope you plan to drop in stages asyourequire. I don't know why a drop weight wouldn't be a secondary ballast release.Itwould get you positive buoyant. Dan H. ----- Original Message ----- From: "Pierre Poulin" <pipo305@hotmail.com> To: <personal_submersibles@psubs.org> Sent: Thursday, May 06, 2004 1:03 PM Subject: RE: [PSUBS-MAILIST] ABS - 3/17.1.1 - Normal Ballast SystemIs drop-weight a method to deballast? It certainly don't require electricity! PierreFrom: "Marten Liebster" <mliebster@tbteam.com> Reply-To: personal_submersibles@psubs.org To: <personal_submersibles@psubs.org> Subject: RE: [PSUBS-MAILIST] ABS - 3/17.1.1 - Normal Ballast System Date: Thu, 6 May 2004 12:12:43 -0400 Apparently my smiley didn't have the intended effect. I received, whatIconsider to be, a semi-nasty direct email and now this posting. It is because I respect for the knowledge contained by those here thatIask such questions. I'm not demanding respect since I've read throughseveralchapters of a handbook. Respect given to a person is attained by whatEFHutton used to say on their commercials, by earning it. I know that I'm a newbie. I know that there are many things that Idon'tknow. I am very humble in regards to my sub (and many other fields aswell)knowledge. But as far as I can tell this is the best place to askspecificquestions to ones who have that knowledge. In fact the About Us page on psubs.org says "PSUBS.ORG was organized to promote and encourage the discussion, designing, building, certifiying, owning and use ofpersonalsubmersibles". I hope that I can garner some respect for my desire to learn and tosafelyand properly build a psub. Perhaps over the years I will be able togainsome respect as a submariner. Back to my original post: How do you deballast? & Do you have two independent means of doingthis?By seeing how others are doing this, I learn. If someone successfullyisusing a similar method to my design, then that's some confirmation ofmydesign and progress. Obviously my design would still need to be tested.Ifsomeone uses a method that I couldn't conceive of, I learn about thatandsee if it would work better. I hope I have clarified myself and explained my method of madness! Marten -----Original Message----- From: owner-personal_submersibles@psubs.org [mailto:owner-personal_submersibles@psubs.org] On Behalf Of PierrePoulinSent: Thursday, May 06, 2004 11:44 AM To: personal_submersibles@psubs.org Subject: RE: [PSUBS-MAILIST] ABS - 3/17.1.1 - Normal Ballast System Marten, I'm sorry to say that respect don't come by reading a book... But you still have my respect anyway! PierreFrom: "Marten Liebster" <mliebster@tbteam.com> Reply-To: personal_submersibles@psubs.org To: <personal_submersibles@psubs.org> Subject: [PSUBS-MAILIST] ABS - 3/17.1.1 - Normal Ballast System Date: Thu, 6 May 2004 10:23:51 -0400 Gentlemen and scholars, Quoting ABS handbook in section 3/17.1.1 (Normal Ballast System): "Each manned unit is to be fitted with a ballast system capable of providing normal ascent and descent and necessary trim adjustments. Ballast tanks that are subjected to internal or external pressure are to comply with the requirements of Section 6. Two independent means of deballasting are to be provided; one is to be operable with noelectricpower available." In my initial designs I have only accommodated for 1 means of deballasting, using valves and compressed air. I assume this is thewaymost psubs are set-up. How do you deballast? Do you have two independent means of doing this? Thanks for info Marten "the ever-curious" Liebster PS Hopefully I'll start getting some respect - as I have started to read through the ABS book :-)************************************************************************************************************************************************************************************************************************ The personal submersibles mailing list complies with the US Federal CAN-SPAM Act of 2003. 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