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  #1  
Old 06-10-2004, 02:20 PM
Firewalker
 
Posts: n/a
Default Re: Pony and/or buddy

I think this has been covered -ad nauseam- in earlier posts.


"Charlie Hammond" <hammond@not@peek.ssr.hp.com> wrote in message
news:W51yc.3428$os2.1947@news.cpqcorp.net...
> In another topic the point/suggestion was made that, at least for certain
> deeper dives, one should have EITHER a good/experienced buddy OR a pony.
>
> (A "pony" is a small -- 13-30 cuft -- air cylinder with its own SCUBA.)
>
> I suggest that because the "rule or thirds" is not typically followed
> in open water diving, a pony may be necessary/desirable regardless of
> your buddy's skill.
>
> The "rule of thirds" referes to cave diving. Although it can be more
> complicated with different size air cylinders, it basically sas that
> 1/3 of my air is for me going in to the cave, 1/3 for me going out,
> and the final 1/3 as an emergency backup for my buddy. This rule
> ensures that either diver in a buddy team will have enough air for
> BOTH divers to exit safely at any point in the dive.
>
> In open water this may not always work out to "thirds" because, unlike
> a cave, it is alwasy possible in open water, NDL diving to ascend
> directly to the surface.
>
> However, common open water practice is for each diver to ensure only
> that he/she has enough air remaining for him/herself to ascend.
> So, for example, it is unlikely that at the end of a 20min, 100ft
> dive that either diver will have enough air for both to ascend safely.
> Thus a catastrophic loss of either divers air would leave them short
> of air for a safe ascent.
>
> I can only see three ways to overcome this:
>
> 1) Follow the "rule of tirds", modified as appropriate.
>
> 1A) This could be done by shortening the dive duration, but nobody
> wants to do that.
>
> 1B) Larger air cylinders could also be used, but in may cases AL 80s
> are the default and may be the only cylinders available.
>
> 2) Cary a pony tank.
>
>
> 1A is probably not going to happen.
>
> 1B has problems transporting a large tank for travel.
>
> 1B and 2 both entail the cost of a larger or "extra" cylinder.
>
>
> So what do all you boys and girls think about this?
> --
> Charlie Hammond -- Hewlett-Packard Company -- Ft Lauderdale FL USA
> (hammond@not@peek.ssr.hp.com -- remove "@not" when replying)
> All opinions expressed are my own and not necessarily my employer's.
>



Reply With Quote
  #2  
Old 06-10-2004, 02:20 PM
Firewalker
 
Posts: n/a
Default Re: Pony and/or buddy

I think this has been covered -ad nauseam- in earlier posts.


"Charlie Hammond" <hammond@not@peek.ssr.hp.com> wrote in message
news:W51yc.3428$os2.1947@news.cpqcorp.net...
> In another topic the point/suggestion was made that, at least for certain
> deeper dives, one should have EITHER a good/experienced buddy OR a pony.
>
> (A "pony" is a small -- 13-30 cuft -- air cylinder with its own SCUBA.)
>
> I suggest that because the "rule or thirds" is not typically followed
> in open water diving, a pony may be necessary/desirable regardless of
> your buddy's skill.
>
> The "rule of thirds" referes to cave diving. Although it can be more
> complicated with different size air cylinders, it basically sas that
> 1/3 of my air is for me going in to the cave, 1/3 for me going out,
> and the final 1/3 as an emergency backup for my buddy. This rule
> ensures that either diver in a buddy team will have enough air for
> BOTH divers to exit safely at any point in the dive.
>
> In open water this may not always work out to "thirds" because, unlike
> a cave, it is alwasy possible in open water, NDL diving to ascend
> directly to the surface.
>
> However, common open water practice is for each diver to ensure only
> that he/she has enough air remaining for him/herself to ascend.
> So, for example, it is unlikely that at the end of a 20min, 100ft
> dive that either diver will have enough air for both to ascend safely.
> Thus a catastrophic loss of either divers air would leave them short
> of air for a safe ascent.
>
> I can only see three ways to overcome this:
>
> 1) Follow the "rule of tirds", modified as appropriate.
>
> 1A) This could be done by shortening the dive duration, but nobody
> wants to do that.
>
> 1B) Larger air cylinders could also be used, but in may cases AL 80s
> are the default and may be the only cylinders available.
>
> 2) Cary a pony tank.
>
>
> 1A is probably not going to happen.
>
> 1B has problems transporting a large tank for travel.
>
> 1B and 2 both entail the cost of a larger or "extra" cylinder.
>
>
> So what do all you boys and girls think about this?
> --
> Charlie Hammond -- Hewlett-Packard Company -- Ft Lauderdale FL USA
> (hammond@not@peek.ssr.hp.com -- remove "@not" when replying)
> All opinions expressed are my own and not necessarily my employer's.
>



Reply With Quote
  #3  
Old 06-10-2004, 02:20 PM
Firewalker
 
Posts: n/a
Default Re: Pony and/or buddy

I think this has been covered -ad nauseam- in earlier posts.


"Charlie Hammond" <hammond@not@peek.ssr.hp.com> wrote in message
news:W51yc.3428$os2.1947@news.cpqcorp.net...
> In another topic the point/suggestion was made that, at least for certain
> deeper dives, one should have EITHER a good/experienced buddy OR a pony.
>
> (A "pony" is a small -- 13-30 cuft -- air cylinder with its own SCUBA.)
>
> I suggest that because the "rule or thirds" is not typically followed
> in open water diving, a pony may be necessary/desirable regardless of
> your buddy's skill.
>
> The "rule of thirds" referes to cave diving. Although it can be more
> complicated with different size air cylinders, it basically sas that
> 1/3 of my air is for me going in to the cave, 1/3 for me going out,
> and the final 1/3 as an emergency backup for my buddy. This rule
> ensures that either diver in a buddy team will have enough air for
> BOTH divers to exit safely at any point in the dive.
>
> In open water this may not always work out to "thirds" because, unlike
> a cave, it is alwasy possible in open water, NDL diving to ascend
> directly to the surface.
>
> However, common open water practice is for each diver to ensure only
> that he/she has enough air remaining for him/herself to ascend.
> So, for example, it is unlikely that at the end of a 20min, 100ft
> dive that either diver will have enough air for both to ascend safely.
> Thus a catastrophic loss of either divers air would leave them short
> of air for a safe ascent.
>
> I can only see three ways to overcome this:
>
> 1) Follow the "rule of tirds", modified as appropriate.
>
> 1A) This could be done by shortening the dive duration, but nobody
> wants to do that.
>
> 1B) Larger air cylinders could also be used, but in may cases AL 80s
> are the default and may be the only cylinders available.
>
> 2) Cary a pony tank.
>
>
> 1A is probably not going to happen.
>
> 1B has problems transporting a large tank for travel.
>
> 1B and 2 both entail the cost of a larger or "extra" cylinder.
>
>
> So what do all you boys and girls think about this?
> --
> Charlie Hammond -- Hewlett-Packard Company -- Ft Lauderdale FL USA
> (hammond@not@peek.ssr.hp.com -- remove "@not" when replying)
> All opinions expressed are my own and not necessarily my employer's.
>



Reply With Quote
  #4  
Old 06-10-2004, 02:20 PM
Firewalker
 
Posts: n/a
Default Re: Pony and/or buddy

I think this has been covered -ad nauseam- in earlier posts.


"Charlie Hammond" <hammond@not@peek.ssr.hp.com> wrote in message
news:W51yc.3428$os2.1947@news.cpqcorp.net...
> In another topic the point/suggestion was made that, at least for certain
> deeper dives, one should have EITHER a good/experienced buddy OR a pony.
>
> (A "pony" is a small -- 13-30 cuft -- air cylinder with its own SCUBA.)
>
> I suggest that because the "rule or thirds" is not typically followed
> in open water diving, a pony may be necessary/desirable regardless of
> your buddy's skill.
>
> The "rule of thirds" referes to cave diving. Although it can be more
> complicated with different size air cylinders, it basically sas that
> 1/3 of my air is for me going in to the cave, 1/3 for me going out,
> and the final 1/3 as an emergency backup for my buddy. This rule
> ensures that either diver in a buddy team will have enough air for
> BOTH divers to exit safely at any point in the dive.
>
> In open water this may not always work out to "thirds" because, unlike
> a cave, it is alwasy possible in open water, NDL diving to ascend
> directly to the surface.
>
> However, common open water practice is for each diver to ensure only
> that he/she has enough air remaining for him/herself to ascend.
> So, for example, it is unlikely that at the end of a 20min, 100ft
> dive that either diver will have enough air for both to ascend safely.
> Thus a catastrophic loss of either divers air would leave them short
> of air for a safe ascent.
>
> I can only see three ways to overcome this:
>
> 1) Follow the "rule of tirds", modified as appropriate.
>
> 1A) This could be done by shortening the dive duration, but nobody
> wants to do that.
>
> 1B) Larger air cylinders could also be used, but in may cases AL 80s
> are the default and may be the only cylinders available.
>
> 2) Cary a pony tank.
>
>
> 1A is probably not going to happen.
>
> 1B has problems transporting a large tank for travel.
>
> 1B and 2 both entail the cost of a larger or "extra" cylinder.
>
>
> So what do all you boys and girls think about this?
> --
> Charlie Hammond -- Hewlett-Packard Company -- Ft Lauderdale FL USA
> (hammond@not@peek.ssr.hp.com -- remove "@not" when replying)
> All opinions expressed are my own and not necessarily my employer's.
>



Reply With Quote
  #5  
Old 06-10-2004, 02:20 PM
Firewalker
 
Posts: n/a
Default Re: Pony and/or buddy

I think this has been covered -ad nauseam- in earlier posts.


"Charlie Hammond" <hammond@not@peek.ssr.hp.com> wrote in message
news:W51yc.3428$os2.1947@news.cpqcorp.net...
> In another topic the point/suggestion was made that, at least for certain
> deeper dives, one should have EITHER a good/experienced buddy OR a pony.
>
> (A "pony" is a small -- 13-30 cuft -- air cylinder with its own SCUBA.)
>
> I suggest that because the "rule or thirds" is not typically followed
> in open water diving, a pony may be necessary/desirable regardless of
> your buddy's skill.
>
> The "rule of thirds" referes to cave diving. Although it can be more
> complicated with different size air cylinders, it basically sas that
> 1/3 of my air is for me going in to the cave, 1/3 for me going out,
> and the final 1/3 as an emergency backup for my buddy. This rule
> ensures that either diver in a buddy team will have enough air for
> BOTH divers to exit safely at any point in the dive.
>
> In open water this may not always work out to "thirds" because, unlike
> a cave, it is alwasy possible in open water, NDL diving to ascend
> directly to the surface.
>
> However, common open water practice is for each diver to ensure only
> that he/she has enough air remaining for him/herself to ascend.
> So, for example, it is unlikely that at the end of a 20min, 100ft
> dive that either diver will have enough air for both to ascend safely.
> Thus a catastrophic loss of either divers air would leave them short
> of air for a safe ascent.
>
> I can only see three ways to overcome this:
>
> 1) Follow the "rule of tirds", modified as appropriate.
>
> 1A) This could be done by shortening the dive duration, but nobody
> wants to do that.
>
> 1B) Larger air cylinders could also be used, but in may cases AL 80s
> are the default and may be the only cylinders available.
>
> 2) Cary a pony tank.
>
>
> 1A is probably not going to happen.
>
> 1B has problems transporting a large tank for travel.
>
> 1B and 2 both entail the cost of a larger or "extra" cylinder.
>
>
> So what do all you boys and girls think about this?
> --
> Charlie Hammond -- Hewlett-Packard Company -- Ft Lauderdale FL USA
> (hammond@not@peek.ssr.hp.com -- remove "@not" when replying)
> All opinions expressed are my own and not necessarily my employer's.
>



Reply With Quote
  #6  
Old 06-10-2004, 02:20 PM
Firewalker
 
Posts: n/a
Default Re: Pony and/or buddy

I think this has been covered -ad nauseam- in earlier posts.


"Charlie Hammond" <hammond@not@peek.ssr.hp.com> wrote in message
news:W51yc.3428$os2.1947@news.cpqcorp.net...
> In another topic the point/suggestion was made that, at least for certain
> deeper dives, one should have EITHER a good/experienced buddy OR a pony.
>
> (A "pony" is a small -- 13-30 cuft -- air cylinder with its own SCUBA.)
>
> I suggest that because the "rule or thirds" is not typically followed
> in open water diving, a pony may be necessary/desirable regardless of
> your buddy's skill.
>
> The "rule of thirds" referes to cave diving. Although it can be more
> complicated with different size air cylinders, it basically sas that
> 1/3 of my air is for me going in to the cave, 1/3 for me going out,
> and the final 1/3 as an emergency backup for my buddy. This rule
> ensures that either diver in a buddy team will have enough air for
> BOTH divers to exit safely at any point in the dive.
>
> In open water this may not always work out to "thirds" because, unlike
> a cave, it is alwasy possible in open water, NDL diving to ascend
> directly to the surface.
>
> However, common open water practice is for each diver to ensure only
> that he/she has enough air remaining for him/herself to ascend.
> So, for example, it is unlikely that at the end of a 20min, 100ft
> dive that either diver will have enough air for both to ascend safely.
> Thus a catastrophic loss of either divers air would leave them short
> of air for a safe ascent.
>
> I can only see three ways to overcome this:
>
> 1) Follow the "rule of tirds", modified as appropriate.
>
> 1A) This could be done by shortening the dive duration, but nobody
> wants to do that.
>
> 1B) Larger air cylinders could also be used, but in may cases AL 80s
> are the default and may be the only cylinders available.
>
> 2) Cary a pony tank.
>
>
> 1A is probably not going to happen.
>
> 1B has problems transporting a large tank for travel.
>
> 1B and 2 both entail the cost of a larger or "extra" cylinder.
>
>
> So what do all you boys and girls think about this?
> --
> Charlie Hammond -- Hewlett-Packard Company -- Ft Lauderdale FL USA
> (hammond@not@peek.ssr.hp.com -- remove "@not" when replying)
> All opinions expressed are my own and not necessarily my employer's.
>



Reply With Quote
  #7  
Old 06-10-2004, 02:20 PM
Firewalker
 
Posts: n/a
Default Re: Pony and/or buddy

I think this has been covered -ad nauseam- in earlier posts.


"Charlie Hammond" <hammond@not@peek.ssr.hp.com> wrote in message
news:W51yc.3428$os2.1947@news.cpqcorp.net...
> In another topic the point/suggestion was made that, at least for certain
> deeper dives, one should have EITHER a good/experienced buddy OR a pony.
>
> (A "pony" is a small -- 13-30 cuft -- air cylinder with its own SCUBA.)
>
> I suggest that because the "rule or thirds" is not typically followed
> in open water diving, a pony may be necessary/desirable regardless of
> your buddy's skill.
>
> The "rule of thirds" referes to cave diving. Although it can be more
> complicated with different size air cylinders, it basically sas that
> 1/3 of my air is for me going in to the cave, 1/3 for me going out,
> and the final 1/3 as an emergency backup for my buddy. This rule
> ensures that either diver in a buddy team will have enough air for
> BOTH divers to exit safely at any point in the dive.
>
> In open water this may not always work out to "thirds" because, unlike
> a cave, it is alwasy possible in open water, NDL diving to ascend
> directly to the surface.
>
> However, common open water practice is for each diver to ensure only
> that he/she has enough air remaining for him/herself to ascend.
> So, for example, it is unlikely that at the end of a 20min, 100ft
> dive that either diver will have enough air for both to ascend safely.
> Thus a catastrophic loss of either divers air would leave them short
> of air for a safe ascent.
>
> I can only see three ways to overcome this:
>
> 1) Follow the "rule of tirds", modified as appropriate.
>
> 1A) This could be done by shortening the dive duration, but nobody
> wants to do that.
>
> 1B) Larger air cylinders could also be used, but in may cases AL 80s
> are the default and may be the only cylinders available.
>
> 2) Cary a pony tank.
>
>
> 1A is probably not going to happen.
>
> 1B has problems transporting a large tank for travel.
>
> 1B and 2 both entail the cost of a larger or "extra" cylinder.
>
>
> So what do all you boys and girls think about this?
> --
> Charlie Hammond -- Hewlett-Packard Company -- Ft Lauderdale FL USA
> (hammond@not@peek.ssr.hp.com -- remove "@not" when replying)
> All opinions expressed are my own and not necessarily my employer's.
>



Reply With Quote
  #8  
Old 06-10-2004, 02:20 PM
Firewalker
 
Posts: n/a
Default Re: Pony and/or buddy

I think this has been covered -ad nauseam- in earlier posts.


"Charlie Hammond" <hammond@not@peek.ssr.hp.com> wrote in message
news:W51yc.3428$os2.1947@news.cpqcorp.net...
> In another topic the point/suggestion was made that, at least for certain
> deeper dives, one should have EITHER a good/experienced buddy OR a pony.
>
> (A "pony" is a small -- 13-30 cuft -- air cylinder with its own SCUBA.)
>
> I suggest that because the "rule or thirds" is not typically followed
> in open water diving, a pony may be necessary/desirable regardless of
> your buddy's skill.
>
> The "rule of thirds" referes to cave diving. Although it can be more
> complicated with different size air cylinders, it basically sas that
> 1/3 of my air is for me going in to the cave, 1/3 for me going out,
> and the final 1/3 as an emergency backup for my buddy. This rule
> ensures that either diver in a buddy team will have enough air for
> BOTH divers to exit safely at any point in the dive.
>
> In open water this may not always work out to "thirds" because, unlike
> a cave, it is alwasy possible in open water, NDL diving to ascend
> directly to the surface.
>
> However, common open water practice is for each diver to ensure only
> that he/she has enough air remaining for him/herself to ascend.
> So, for example, it is unlikely that at the end of a 20min, 100ft
> dive that either diver will have enough air for both to ascend safely.
> Thus a catastrophic loss of either divers air would leave them short
> of air for a safe ascent.
>
> I can only see three ways to overcome this:
>
> 1) Follow the "rule of tirds", modified as appropriate.
>
> 1A) This could be done by shortening the dive duration, but nobody
> wants to do that.
>
> 1B) Larger air cylinders could also be used, but in may cases AL 80s
> are the default and may be the only cylinders available.
>
> 2) Cary a pony tank.
>
>
> 1A is probably not going to happen.
>
> 1B has problems transporting a large tank for travel.
>
> 1B and 2 both entail the cost of a larger or "extra" cylinder.
>
>
> So what do all you boys and girls think about this?
> --
> Charlie Hammond -- Hewlett-Packard Company -- Ft Lauderdale FL USA
> (hammond@not@peek.ssr.hp.com -- remove "@not" when replying)
> All opinions expressed are my own and not necessarily my employer's.
>



Reply With Quote
  #9  
Old 06-10-2004, 02:20 PM
Firewalker
 
Posts: n/a
Default Re: Pony and/or buddy

I think this has been covered -ad nauseam- in earlier posts.


"Charlie Hammond" <hammond@not@peek.ssr.hp.com> wrote in message
news:W51yc.3428$os2.1947@news.cpqcorp.net...
> In another topic the point/suggestion was made that, at least for certain
> deeper dives, one should have EITHER a good/experienced buddy OR a pony.
>
> (A "pony" is a small -- 13-30 cuft -- air cylinder with its own SCUBA.)
>
> I suggest that because the "rule or thirds" is not typically followed
> in open water diving, a pony may be necessary/desirable regardless of
> your buddy's skill.
>
> The "rule of thirds" referes to cave diving. Although it can be more
> complicated with different size air cylinders, it basically sas that
> 1/3 of my air is for me going in to the cave, 1/3 for me going out,
> and the final 1/3 as an emergency backup for my buddy. This rule
> ensures that either diver in a buddy team will have enough air for
> BOTH divers to exit safely at any point in the dive.
>
> In open water this may not always work out to "thirds" because, unlike
> a cave, it is alwasy possible in open water, NDL diving to ascend
> directly to the surface.
>
> However, common open water practice is for each diver to ensure only
> that he/she has enough air remaining for him/herself to ascend.
> So, for example, it is unlikely that at the end of a 20min, 100ft
> dive that either diver will have enough air for both to ascend safely.
> Thus a catastrophic loss of either divers air would leave them short
> of air for a safe ascent.
>
> I can only see three ways to overcome this:
>
> 1) Follow the "rule of tirds", modified as appropriate.
>
> 1A) This could be done by shortening the dive duration, but nobody
> wants to do that.
>
> 1B) Larger air cylinders could also be used, but in may cases AL 80s
> are the default and may be the only cylinders available.
>
> 2) Cary a pony tank.
>
>
> 1A is probably not going to happen.
>
> 1B has problems transporting a large tank for travel.
>
> 1B and 2 both entail the cost of a larger or "extra" cylinder.
>
>
> So what do all you boys and girls think about this?
> --
> Charlie Hammond -- Hewlett-Packard Company -- Ft Lauderdale FL USA
> (hammond@not@peek.ssr.hp.com -- remove "@not" when replying)
> All opinions expressed are my own and not necessarily my employer's.
>



Reply With Quote
  #10  
Old 06-10-2004, 02:40 PM
Jammer Six
 
Posts: n/a
Default Re: Pony and/or buddy

In article <FD1yc.24183$NT6.13099@clgrps13>, Firewalker
<firewalker2222@hotmail.com> wrote:

€ I think this has been covered -ad nauseam- in earlier posts.

With more accuracy, too.

--
"We're going to rush the hijackers."
-Jeremy Glick, aboard United Airlines flight 93, September 11, 2001
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