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17th August 2007, 19:26
| #21 (permalink) |
| I will teach you a.....  Current Rebreather/s: Evolution Megalodon Other Rebreather/s: Join Date: Sep 2005 Location: Alberta, Canada
Posts: 772
 | Re: heliair vs trimix Quote: (Originally Posted by JonORunde)  Another vote for keeping a bottle or two of HP premixed dil in the garage. Excellent setup!!!We get 15liter / 300bar bottles, that can fill a 3liter to 230bars a lot of times before we need to fire up (no pun intended) the booster. Keeping two bottles (or more of course) as a cascade, could keep you with dil for a while, and the blending-part is only done a few times a year. jon o Quote: (Originally Posted by JonORunde) Yeah, and lazyness Easy to work with. I know of a few divers have the same setup for the CCR units. 
__________________  20 dwarves, 20 dwarves, 20 dwarves took turns doing handstands on the carpet |
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17th August 2007, 23:58
| #22 (permalink) |
| Diveshop of Horrors   Current Rebreather/s: Sport Kiss MK 15.X rEvo Other CCR Azimuth Home Build Other Rebreather/s: Classic Kiss rEvo Other CCR Azimuth Home Build Join Date: Jun 2006 Location: Narragansett, Rhode Island and Hackettstown, New Jersey
Posts: 2,688
 | Re: heliair vs trimix Quote: (Originally Posted by Fun Under Pressure) When i dive with TMX i dive a max. END of 30 meters because I have 2 children. That deep? Used to love 80/20 Heliox.... END = 0 and always deco'd clean..... HPNS is not an issue for most of our profiles.... Helium is cheap in quantities used in rebreathers...... So: Maybe it's time to look back at Heliox again. Run some profiles for 60 meters and let's see what it looks like. All of my He02 experience was using USN partial pressure tables, be interesting to look at it again using modern deco software. Dave
__________________ "Changes in Lattitudes, Changes in Attitudes, Nothing remains quite the same".... www.nobubblediving.com |
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18th August 2007, 00:42
| #23 (permalink) |
| RebreatherWorld Sponsor   Current Rebreather/s: Sport Kiss Classic Kiss Other Rebreather/s: Inspiration Classic Inspiration Vision Evolution Sport Kiss Classic Kiss MK 15.X Join Date: Oct 2005 Location: Lake Havasu City, AZ - USA
Posts: 494
   | Re: heliair vs trimix When i dive with TMX i dive a max. END of 30 meters because I have 2 children. Geeze -- one would want a break from the kids now and then. Air on OC to 100 msw ...... takes all the troubles away ..................... My daughter turns 9 this weekend and my son Jona will be 6. He mixed my gas for me the other day........ he's pretty good at it. Righty tighty -- lefty loosey .... Cheers JDS |
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18th August 2007, 09:42
| #24 (permalink) |
| Diveshop of Horrors Current Rebreather/s: Sport Kiss MK 15.X rEvo Other CCR Azimuth Home Build Other Rebreather/s: Classic Kiss rEvo Other CCR Azimuth Home Build Join Date: Jun 2006 Location: Narragansett, Rhode Island and Hackettstown, New Jersey
Posts: 2,688
| Re: heliair vs trimix Quote: (Originally Posted by JS1scuba) Geeze -- one would want a break from the kids now and then. Air on OC to 100 msw ...... takes all the troubles away ..................... Remember the old days? 300 feet on Bloody Bay wall on air, now *that* was a stress reliever....  Kids these days don't know how to have fun.....  . Wonder how we old farts ever stayed alive....Anyone model a few 60 meter Heliox dives yet? Dave
__________________ "Changes in Lattitudes, Changes in Attitudes, Nothing remains quite the same".... www.nobubblediving.com |
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18th August 2007, 13:10
| #25 (permalink) |
| rEvo combat swimmer  Current Rebreather/s: rEvo Other CCR Other Rebreather/s: rEvo Other CCR Join Date: Nov 2006 Location: chicago
Posts: 526
| Re: heliair vs trimix Here we go V planner: Dec to 200ft (4) Diluent 18/82 0.70 SetPoint, 50ft/min descent. Dec to 240ft (4) Diluent 18/82 0.70 SetPoint, 60ft/min descent. Level 240ft 25:20 (30) Diluent 18/82 1.40 (1.45), 0ft ead, 13ft end Asc to 150ft (33) Diluent 18/82 1.40 SetPoint, -30ft/min ascent. Stop at 150ft 1:00 (34) Diluent 18/82 1.40 (1.45), 0ft ead, 0ft end Stop at 140ft 1:00 (35) Diluent 18/82 1.40 SetPoint, 0ft ead, 10ft end Stop at 130ft 2:00 (37) Diluent 18/82 1.40 SetPoint, 0ft ead, 10ft end Stop at 120ft 2:00 (39) Diluent 18/82 1.40 SetPoint, 0ft ead, 10ft end Stop at 110ft 2:00 (41) Diluent 18/82 1.40 SetPoint, 0ft ead, 10ft end Level 100ft 1:00 (42) Diluent 18/82 1.60 SetPoint, 0ft ead, 20ft end Asc to 90ft (42) Diluent 18/82 1.60 SetPoint, -30ft/min ascent. Stop at 90ft 3:20 (46) Diluent 18/82 1.60 SetPoint, 0ft ead, 16ft end Stop at 80ft 3:00 (49) Diluent 18/82 1.60 SetPoint, 0ft ead, 15ft end Stop at 70ft 4:00 (53) Diluent 18/82 1.60 SetPoint, 0ft ead, 15ft end Stop at 60ft 5:00 (58) Diluent 18/82 1.60 SetPoint, 0ft ead, 14ft end Stop at 50ft 5:00 (63) Diluent 18/82 1.60 SetPoint, 0ft ead, 14ft end Stop at 40ft 7:00 (70) Diluent 18/82 1.60 SetPoint, 0ft ead, 13ft end Stop at 30ft 10:00 (80) Diluent 18/82 1.60 SetPoint, 0ft ead, 12ft end Level 20ft 1:00 (81) Oxygen 1.60 (1.59), 0ft ead Stop at 20ft 15:40 (97) Oxygen 1.60 (1.59), 0ft ead Stop at 10ft 27:00 (124) Oxygen 1.31 (1.60), 0ft ead Surface (124) Oxygen -30ft/min ascent. Dec to 200ft (4) Diluent 18/50 0.70 SetPoint, 50ft/min descent. Dec to 240ft (4) Diluent 18/50 0.70 SetPoint, 60ft/min descent. Level 240ft 25:20 (30) Diluent 18/50 1.40 (1.45), 78ft ead, 102ft end Asc to 150ft (33) Diluent 18/50 1.40 SetPoint, -30ft/min ascent. Stop at 150ft 0:00 (33) Diluent 18/50 1.40 (1.45), 41ft ead, 57ft end Stop at 140ft 1:00 (34) Diluent 18/50 1.40 SetPoint, 30ft ead, 61ft end Stop at 130ft 1:00 (35) Diluent 18/50 1.40 SetPoint, 25ft ead, 57ft end Stop at 120ft 1:00 (36) Diluent 18/50 1.40 SetPoint, 20ft ead, 53ft end Stop at 110ft 2:00 (38) Diluent 18/50 1.40 SetPoint, 16ft ead, 49ft end Level 100ft 1:00 (39) Diluent 18/50 1.60 SetPoint, 6ft ead, 51ft end Asc to 90ft (39) Diluent 18/50 1.60 SetPoint, -30ft/min ascent. Stop at 90ft 2:20 (42) Diluent 18/50 1.60 SetPoint, 3ft ead, 45ft end Stop at 80ft 2:00 (44) Diluent 18/50 1.60 SetPoint, 0ft ead, 41ft end Stop at 70ft 3:00 (47) Diluent 18/50 1.60 SetPoint, 0ft ead, 36ft end Stop at 60ft 4:00 (51) Diluent 18/50 1.60 SetPoint, 0ft ead, 32ft end Stop at 50ft 4:00 (55) Diluent 18/50 1.60 SetPoint, 0ft ead, 28ft end Stop at 40ft 6:00 (61) Diluent 18/50 1.60 SetPoint, 0ft ead, 24ft end Stop at 30ft 7:00 (68) Diluent 18/50 1.60 SetPoint, 0ft ead, 19ft end Level 20ft 1:00 (69) Oxygen 1.60 (1.59), 0ft ead Stop at 20ft 8:40 (78) Oxygen 1.60 (1.59), 0ft ead Stop at 10ft 19:00 (97) Oxygen 1.31 (1.60), 0ft ead Surface (97) Oxygen -30ft/min ascent. So half an hour for a totally clear mind...
__________________ Heres to you Capt. Bill Never Forget, and stay safe everyone. |
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18th August 2007, 19:07
| #26 (permalink) |
| Diveshop of Horrors Current Rebreather/s: Sport Kiss MK 15.X rEvo Other CCR Azimuth Home Build Other Rebreather/s: Classic Kiss rEvo Other CCR Azimuth Home Build Join Date: Jun 2006 Location: Narragansett, Rhode Island and Hackettstown, New Jersey
Posts: 2,688
| Re: heliair vs trimix Thanks Kevin, Anyone with something other than Buhlmann? Dave
__________________ "Changes in Lattitudes, Changes in Attitudes, Nothing remains quite the same".... www.nobubblediving.com |
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19th August 2007, 03:26
| #27 (permalink) |
| Prism 'prentice  Current Rebreather/s: Prism Topaz Other Rebreather/s: Inspiration Classic Evolution Join Date: Feb 2005 Location: Melbourne
Posts: 328
| Re: heliair vs trimix Vplanner _IS_ other than Buhlman Buhlman comparison is below, however the result is about the same, the heliox plan has 150% of the deco of the trimix plan. Mike 20/80 60m for 30 minutes, GF 30/80 DESC: 60m for 03:00 [ 3] on Heliox 20/80, SP: 1.3, END: 0m DIVE: 60m for 27:00 [ 30] on Heliox 20/80, SP: 1.3, END: 0m ASC : 36m for 02:23 [ 32] on Heliox 20/80, SP: 1.3, END: 0m DECO: 36m for 01:36 [ 34] on Heliox 20/80, SP: 1.3, END: 0m M-Value: 73% [04], GF: 34% DECO: 33m for 01:00 [ 35] on Heliox 20/80, SP: 1.3, END: 0m M-Value: 75% [05], GF: 38% DECO: 30m for 02:00 [ 37] on Heliox 20/80, SP: 1.3, END: 0m M-Value: 78% [05], GF: 43% DECO: 27m for 03:00 [ 40] on Heliox 20/80, SP: 1.3, END: 0m M-Value: 80% [05], GF: 47% DECO: 24m for 03:00 [ 43] on Heliox 20/80, SP: 1.3, END: 0m M-Value: 81% [06], GF: 51% DECO: 21m for 03:00 [ 46] on Heliox 20/80, SP: 1.3, END: 0m M-Value: 83% [06], GF: 55% DECO: 18m for 06:00 [ 52] on Heliox 20/80, SP: 1.3, END: 0m M-Value: 86% [07], GF: 59% DECO: 15m for 06:00 [ 58] on Heliox 20/80, SP: 1.3, END: 0m M-Value: 85% [07], GF: 63% DECO: 12m for 08:00 [ 66] on Heliox 20/80, SP: 1.3, END: 0m M-Value: 88% [08], GF: 68% DECO: 9m for 11:00 [ 77] on Heliox 20/80, SP: 1.3, END: 0m M-Value: 89% [08], GF: 72% DECO: 6m for 15:00 [ 92] on Heliox 20/80, SP: 1.3, END: 0m M-Value: 90% [09], GF: 76% DECO: 3m for 26:00 [118] on Heliox 20/80, SP: 1.3, END: 0m M-Value: 92% [10], GF: 80% Same dive on 20/40 DESC: 60m for 03:00 [ 3] on Trimix 20/40, SP: 1.3, END: 26m DIVE: 60m for 27:00 [ 30] on Trimix 20/40, SP: 1.3, END: 26m ASC : 33m for 02:42 [ 33] on Trimix 20/40, SP: 1.3, END: 9m DECO: 33m for 00:18 [ 33] on Trimix 20/40, SP: 1.3, END: 9m M-Value: 69% [03], GF: 35% DECO: 30m for 01:00 [ 34] on Trimix 20/40, SP: 1.3, END: 7m M-Value: 73% [03], GF: 39% DECO: 27m for 02:00 [ 36] on Trimix 20/40, SP: 1.3, END: 5m M-Value: 76% [04], GF: 44% DECO: 24m for 01:00 [ 37] on Trimix 20/40, SP: 1.3, END: 3m M-Value: 77% [04], GF: 48% DECO: 21m for 02:00 [ 39] on Trimix 20/40, SP: 1.3, END: 1m M-Value: 80% [04], GF: 53% DECO: 18m for 03:00 [ 42] on Trimix 20/40, SP: 1.3, END: 0m M-Value: 83% [05], GF: 57% DECO: 15m for 04:00 [ 46] on Trimix 20/40, SP: 1.3, END: 0m M-Value: 85% [05], GF: 62% DECO: 12m for 05:00 [ 51] on Trimix 20/40, SP: 1.3, END: 0m M-Value: 86% [06], GF: 66% DECO: 9m for 07:00 [ 58] on Trimix 20/40, SP: 1.3, END: 0m M-Value: 88% [07], GF: 71% DECO: 6m for 11:00 [ 69] on Trimix 20/40, SP: 1.3, END: 0m M-Value: 90% [07], GF: 75% DECO: 3m for 17:00 [ 86] on Trimix 20/40, SP: 1.3, END: 0m M-Value: 90% [08], GF: 80%
__________________ Open ....... Closed Mind ........ Loop |
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19th August 2007, 07:33
| #28 (permalink) |
| 10/52 Psycho  Current Rebreather/s: Inspiration Vision Other Rebreather/s: Join Date: Aug 2005 Location: Wrexham
Posts: 298
| Re: heliair vs trimix boys, what your failing to say is that Heliox brings a few other problems than just a bit longer deco. Bailout is a bit more trickey with which gases to use, also along with a lot higher costs of mixing helair in bailout tins. ATB Gareth |
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19th August 2007, 09:38
| #29 (permalink) |
| Diveshop of Horrors Current Rebreather/s: Sport Kiss MK 15.X rEvo Other CCR Azimuth Home Build Other Rebreather/s: Classic Kiss rEvo Other CCR Azimuth Home Build Join Date: Jun 2006 Location: Narragansett, Rhode Island and Hackettstown, New Jersey
Posts: 2,688
| Re: heliair vs trimix Quote: (Originally Posted by Mike) Vplanner _IS_ other than Buhlman V, Z..... dyslexia is great, 9 outta 7 pilots suffer from it.... I see (x)Plan and I'm coded to see a "Z"..... Confirms what I'd guessed, so that's that. Worth the comparison. Back to trimix now. Dave Definition of an Agnostic Dyslexic Insomniac: The guy who lays awake all night wondering if there really is a dog...... .
__________________ "Changes in Lattitudes, Changes in Attitudes, Nothing remains quite the same".... www.nobubblediving.com |
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19th August 2007, 18:15
| #30 (permalink) |
| RebreatherWorld Sponsor Current Rebreather/s: Sport Kiss Classic Kiss Other Rebreather/s: Inspiration Classic Inspiration Vision Evolution Sport Kiss Classic Kiss MK 15.X Join Date: Oct 2005 Location: Lake Havasu City, AZ - USA
Posts: 494
| Re: heliair vs trimix Quote: (Originally Posted by Dave Sutton) Thanks Kevin, Dave -- here ya go ----------- Anyone with something other than Buhlmann? Dave I wouldnt fly this at 1.6 atm for deco -- too hot. When i ran it that way it gave me 8 minutes of time savings and a CNS of 106% With deco i am not big with screwing with too many variables. Now you can also run this with a 1.2 PO2 set point on the bottom and drive the deco to 1.4 atm PO2 and that keeps the CNS at 52% and OTU at 132 but drives the total run time to 100 min. Run the same profile on 15/50 dil and the deco is virtually the same when run with a 1.3 set point. Or do the 1.4 / 1/6 game and end up with 82 min of run time with a CNS of 100% ......... A bit agressive for sporty stuff. ...... now if you want to fly through this run it on USN Workman tables and be out in a total run time of 76 min and a CNS of only 85% ...... All tables work it's your body that fails you! Cheers
__________________ Joel Silverstein, VP COO Tech Diving Limited a Division of Scuba Training and Technology Inc.  http://www.nautilusdiveplanner.com http://www.nobubblediving.com Last edited by JS1scuba : 19th August 2007 at 18:20. |
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