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27th September 2006, 15:47
| #11 (permalink) |
| Southern Monkey  Current Rebreather/s: Megalodon Other Rebreather/s: Join Date: Aug 2005 Location: East Devon
Posts: 226
  | Re: Proof that i do listen to Dr Mike Quote: (Originally Posted by Padowan)  What's the longest length of Umbilical used, is there a limit? There might be a bit of latency as you breathed down the contents of the hose, if a 2M hose is a lung full......You could just go surface supplied, mixed optimum gasses on the fly with a scavenger unit, making it just like a rebreather!!  |
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27th September 2006, 15:53
| #12 (permalink) |
| Proper Boffin   Current Rebreather/s: Inspiration Classic Other Rebreather/s: Join Date: Feb 2005 Location: Kent, UK.
Posts: 518
 | Re: Proof that i do listen to Dr Mike Quote: (Originally Posted by Gibbon) There might be a bit of latency as you breathed down the contents of the hose, if a 2M hose is a lung full...... Yeah, but I think that if you have a scavenger system, then it's no longer a demand system, and the gas is probably constantly circulated down to the diver and back up to the scavenger/blending/mixing system? |
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27th September 2006, 16:10
| #13 (permalink) |
| Southern Monkey Current Rebreather/s: Megalodon Other Rebreather/s: Join Date: Aug 2005 Location: East Devon
Posts: 226
| Re: Proof that i do listen to Dr Mike Quote: (Originally Posted by Padowan) Yeah, but I think that if you have a scavenger system, then it's no longer a demand system, and the gas is probably constantly circulated down to the diver and back up to the scavenger/blending/mixing system? y To quote Dr Mike, yeah, but um... Perhaps you would care to explain with the diver at 100M below the surface how you see the pipe work being laid out so that latency becomes a non issue, as I think that you need some quantity of pipe filled with IP (approx) gas... Or perhaps you are employing a new version of tardis to transport the gas back to the surface get it scrub(ed), re-blended and then re tardis(ed) back down to the diver? Of course I could just be pissed.  |
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27th September 2006, 16:13
| #14 (permalink) |
| Who loves ya, baby   Current Rebreather/s: Sport Kiss Other Rebreather/s: Prism Topaz Join Date: Jan 2005 Location: Too far from Neverland
Posts: 5,435
  | Re: Proof that i do listen to Dr Mike Quote: (Originally Posted by Ben Field) One has to wonder, looking at that, whether it might not be easier to run an airline the whole way, would only be marginally more hassle...  Either that or pump the water into the cylinders and just walk in ... 
__________________ Cheers Stefan "Political Correctness is a doctrine, fostered by a delusional, illogical minority, and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end.'!" |
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27th September 2006, 16:37
| #15 (permalink) |
| Dude  Current Rebreather/s: Home Build Other Rebreather/s: Sport Kiss Home Build Join Date: Mar 2005 Location: Cambridge, UK
Posts: 415
| Re: Proof that i do listen to Dr Mike Quote: (Originally Posted by Gibbon) Perhaps you would care to explain with the diver at 100M below the surface how you see the pipe work being laid out so that latency becomes a non issue, as I think that you need some quantity of pipe filled with IP (approx) gas... Probably pissed... The gas would simply be pumped down one hose and back up another....Of course I could just be pissed. Andy
__________________ Know your PO2 at all times |
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27th September 2006, 16:48
| #16 (permalink) |
| Southern Monkey Current Rebreather/s: Megalodon Other Rebreather/s: Join Date: Aug 2005 Location: East Devon
Posts: 226
| Re: Proof that i do listen to Dr Mike Quote: (Originally Posted by Andy M) Probably pissed... The gas would simply be pumped down one hose and back up another.... So typing cautiously, is that at tardis pressure in both directions?Andy |
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27th September 2006, 16:54
| #17 (permalink) |
| Custom Title Allowed!  Current Rebreather/s: MK 15.X Other CCR Other SCR Other Rebreather/s: Other CCR Other SCR Join Date: Mar 2005 Location: Loughborough England uk
Posts: 347
| Re: Proof that i do listen to Dr Mike Quote: (Originally Posted by Padowan) What's the longest length of Umbilical used, is there a limit? At a guess 120 meters. The check in girl at Eastjet said the rig goes hold!! But the unbilical pokes through that bagage thingy a treat!! lolYou could just go surface supplied, mixed optimum gasses on the fly with a scavenger unit, making it just like a rebreather!! |
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27th September 2006, 16:58
| #18 (permalink) |
| Dive porn pimp    Current Rebreather/s: Inspiration Classic Other CCR Other Rebreather/s: Not Bought Yet Inspiration Classic Inspiration Vision Classic Kiss Other CCR Join Date: Mar 2005 Location: Leeds, England
Posts: 1,562
| Re: Proof that i do listen to Dr Mike Quote: (Originally Posted by Janos) Or steel haemerroids. Clearly he didn't do a Piles Stop on this dive. Boom-boom. Janos Ha, ha. Gotta admit, that was funny.
__________________ Attitude and self praise is no reccomendation. Dont try to be a great man, just be a man and let history be the judge of you. CHECK OUT OUR INTERWEBS FOR CUSTOM REBREATHER UPGRADES Supporting Shearwater Research Products in Europe |
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27th September 2006, 17:05
| #19 (permalink) |
| So much more to learn  Current Rebreather/s: Other CCR Other Rebreather/s: Other CCR Join Date: Jun 2005 Location: Scotland
Posts: 1,732
| Re: Proof that i do listen to Dr Mike Quote: (Originally Posted by onetime) LOL, I thought the same thing. Then, of course, I realized that a kink, or slice in the hose along it's length would make for a very bad bailout. And, of course, you'd have to run multiple hoses for the different depths. But hey, the thought of a reel full of hose being rolled out for 3/4 of a mile is pretty funny. That is exactly what commercial divers do!With gas reclaim on the surface, and the diver a long way underneath, it is also the world's largest rebreathers: about half a mile in length. Heaviest as well, by a good margin. A ship is needed to carry the scrubbers and provide open circuit bailout gas. Longest possible is over 750m. I need to speak to a nice gentleman (John), who has some great pictures of the umbilicals which he uses when he presents the very big rebreather and see if one can be posted here. You need the right IP at the end, so you measure the pressure on the diver, then pump up the hose on the surface. These are not twinky SCUBA hose with 30 bar IP limits, but they can take hundreds of bar. Alex Last edited by AD_ward9 : 27th September 2006 at 17:18. |
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27th September 2006, 17:21
| #20 (permalink) |
| CK+Shearwater  Current Rebreather/s: Classic Kiss Other Rebreather/s: Sport Kiss Join Date: Aug 2005 Location: London, England
Posts: 1,571
| Re: Proof that i do listen to Dr Mike Quote: (Originally Posted by caveseeker7) Either that or pump the water into the cylinders and just walk in ... Lay a railway through and take tourists on trips (Florida Metro anyone?), put a disco in the back and the only thing your left pumping is the weak american beer Think this has gone abit off-topic... |
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