New Golem BOV?

jo_c · 21st January 2008, 10:24

Quote: (Originally Posted by Mark Chase)

Have you tried it upside down?

OK were not upside down much

My only concern about the present unit is the difficulty in obtaining and the cost of replacement diaphragms. The reg breaths very wet if its inverted which is a surprise too.

I found the WOB on the present unit to be comparable to the standard KISS unit.

ATB

Mark

You can get just replacement diaphragms from Interspiro UK for about £20 I think. Looks like a PITA to replace though. The diaphragm assembly looks to cost in the region of £48+vat
Interspiro UK and Ireland

Mark Chase · 21st January 2008, 11:44

Quote: (Originally Posted by decoweenie)

Isn't the GG BOV using the Apeks parts ?

IIRC from my OC days, Apeks second stages were quite wet when upside down as well but is a relatively easy problem to fix.

No, as in the above post its an Interspiro part and it costs about £70 from Golum

ATB

Mark

lof · 21st January 2008, 15:09

Quote: (Originally Posted by Mark Chase)

No, as in the above post its an Interspiro part and it costs about £70 from Golum

ATB

Mark

The Regulator body (shiny parts) is Apeks, the diaphragm is Interspiro. It looks like you can get it cheaper in the UK that I can

The diaphragm replacement should not be a PITA.
1) unscrew regulator cover
2) remove old diaphragm
3) drop in new diaphragm
4) screw in regulator cover

jo_c · 21st January 2008, 16:09

Quote: (Originally Posted by lof)

The Regulator body (shiny parts) is Apeks, the diaphragm is Interspiro. It looks like you can get it cheaper in the UK that I can

The diaphragm replacement should not be a PITA.
1) unscrew regulator cover
2) remove old diaphragm
3) drop in new diaphragm
4) screw in regulator cover

That's replacing the whole diaphragm assembly

You can apparently just replace the rubber? diaphragm keeping all the other plastic parts. That's what looks like a PITA and probably more effort than it's worth

Lancer4545 · 22nd January 2008, 08:26

Quote: (Originally Posted by decoweenie)

You have just done your MOD-2 so some of these might be applicable to you, but keep in mind...

If the weight is correct right now u/w (i.e. neutral) with your set-up, what would (dry) lighter weight benefit you ?

If the intention to use the BOV as the medium to get off the unit while getting the OC from the stage, why do you need the absolute best breathing 2nd-stage on it ?

On the other hand, having a smaller surface will help reducing drag, and subsequent effort to bite, when scootering.

Hey Deco, The lighter weight has a number of benefits including jaw fatigue but if it were to come down to having a lighter BOV with decreased performance I will take the old unit over the lighter one. If I am going to bail out I am going to keep the BOV in my mouth the whole time as I have the bailout connected in via the manifold. No more loop floating around your eyes and getting in the way for extended periods.

If you have a scooter and are worried about the drag then go for what works for you.....But looking at the unit I don't think there will be a lot of difference.

Lance

Lancer4545 · 22nd January 2008, 08:27

Quote: (Originally Posted by Mark Chase)

Have you tried it upside down?

OK were not upside down much

My only concern about the present unit is the difficulty in obtaining and the cost of replacement diaphragms. The reg breaths very wet if its inverted which is a surprise too.

I found the WOB on the present unit to be comparable to the standard KISS unit.

ATB

Mark

Can't honestly say I have ever had a reason to try it

Lance

decoweenie · 22nd January 2008, 08:42

Quote: (Originally Posted by decoweenie)

If the weight is correct right now u/w (i.e. neutral) with your set-up, what would (dry) lighter weight benefit you ?

Quote: (Originally Posted by Lancer4545)

...The lighter weight has a number of benefits including jaw fatigue...

Repeating...

If the current BOV is neutral u/w, there is no jaw fatigue u/w
Lighter BOV (pos) will actually require more effort to retain in mouth - or more hose weight
Drag (from larger area) will increase jaw fatigue - independent of scootering or not

Lancer4545 · 22nd January 2008, 21:58

Quote: (Originally Posted by decoweenie)

Repeating...

If the current BOV is neutral u/w, there is no jaw fatigue u/w
Lighter BOV (pos) will actually require more effort to retain in mouth - or more hose weight
Drag (from larger area) will increase jaw fatigue - independent of scootering or not

Hey Deco, Thanks for pointing that out again....I must not have been as concise in my reply the first time as I should have......On to a more detailed reply....

YES, I totally agree but have you ever sat on the boat on the loop waiting to get into the water when the boat captain keeps changing is mind on the spot or they are having trouble picking up the mooring line.....
YES, but you have to have it weighted correctly....The Golem Gear weighted rings work a treat and you can get the loop weighted just right.
Possibly, I don't fin around so fast that the drag is a real issue. I tend to go for a steady finning style requiring minimum effort but if you like to thrash around like a shark and are in a hurry then you will definately notice the difference and if you're scootering I am sure the 1/2 a square inch less surface area is going to make a huge difference.

I'm glad we got that sorted.......

Lance

decoweenie · 23rd January 2008, 06:45

Quote: (Originally Posted by Lancer4545)

[*]YES, I totally agree but have you ever sat on the boat on the loop waiting to get into the water when the boat captain keeps changing is mind on the spot or they are having trouble picking up the mooring line.....

If you already have done your pre-breath and ready to go, why are you keeping the loop in your mouth while waiting such a long time ?

Would you do the same thing (i.e. breathing from the reg while waiting a long time) on OC too ?

Just leave the loop open and hang, then pick up just before jumping in.

For the rest... Never mind.

Lancer4545 · 23rd January 2008, 07:39

Quote: (Originally Posted by decoweenie)

If you already have done your pre-breath and ready to go, why are you keeping the loop in your mouth while waiting such a long time ?

Would you do the same thing (i.e. breathing from the reg while waiting a long time) on OC too ?

Just leave the loop open and hang, then pick up just before jumping in.

For the rest... Never mind.

Cripes...what have I started here.....

If you have dived with a FFM you will probably know what I am saying otherwise get hold of one and give it a go

No....I'd leave the BOV in my mouth even when bailed out to OC. If you have a manifold it makes your options and actions a whole lot easier. Also keeps the loop out of the way and the OC regs staged where they are out of the way too.

Other than that.......What Can I Say........

Lance

21st January 2008, 10:24	#11 (permalink)
jo_c Custom Title Allowed! Current Rebreather/s: Megalodon Other Rebreather/s: Inspiration Classic Join Date: Jun 2006 Location: Hants, UK Posts: 140	Re: New Golem BOV? Quote: (Originally Posted by Mark Chase) Have you tried it upside down? OK were not upside down much My only concern about the present unit is the difficulty in obtaining and the cost of replacement diaphragms. The reg breaths very wet if its inverted which is a surprise too. I found the WOB on the present unit to be comparable to the standard KISS unit. ATB Mark You can get just replacement diaphragms from Interspiro UK for about £20 I think. Looks like a PITA to replace though. The diaphragm assembly looks to cost in the region of £48+vat Interspiro UK and Ireland
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21st January 2008, 11:44	#12 (permalink)
Mark Chase I go down for ages Current Rebreather/s: Classic Kiss Other Rebreather/s: Inspiration Classic Join Date: Jan 2005 Location: Kent Posts: 2,470	Re: New Golem BOV? Quote: (Originally Posted by decoweenie) Isn't the GG BOV using the Apeks parts ? IIRC from my OC days, Apeks second stages were quite wet when upside down as well but is a relatively easy problem to fix. No, as in the above post its an Interspiro part and it costs about £70 from Golum ATB Mark __________________ Is it supposed to make that noise ? I took my unit to the dive shop and demanded they bolt on every thing that would fit. Join my elite diving teem and get a Tshirt "Doing It Chasey"Hammerhead Eccr Advanced Diving System
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21st January 2008, 15:09	#13 (permalink)
lof RebreatherWorld Sponsor Current Rebreather/s: Megalodon Prism Topaz Sport Kiss Classic Kiss MK 15.X Other CCR RB80 / Clone Other SCR Home Build Other Rebreather/s: Other CCR RB80 / Clone Other SCR Home Build Join Date: Jun 2005 Location: USA Posts: 457	Re: New Golem BOV? Quote: (Originally Posted by Mark Chase) No, as in the above post its an Interspiro part and it costs about £70 from Golum ATB Mark The Regulator body (shiny parts) is Apeks, the diaphragm is Interspiro. It looks like you can get it cheaper in the UK that I can The diaphragm replacement should not be a PITA. 1) unscrew regulator cover 2) remove old diaphragm 3) drop in new diaphragm 4) screw in regulator cover __________________ Jakub Golem Gear ShopKeeper www.golemgear.com
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21st January 2008, 16:09	#14 (permalink)
jo_c Custom Title Allowed! Current Rebreather/s: Megalodon Other Rebreather/s: Inspiration Classic Join Date: Jun 2006 Location: Hants, UK Posts: 140	Re: New Golem BOV? Quote: (Originally Posted by lof) The Regulator body (shiny parts) is Apeks, the diaphragm is Interspiro. It looks like you can get it cheaper in the UK that I can The diaphragm replacement should not be a PITA. 1) unscrew regulator cover 2) remove old diaphragm 3) drop in new diaphragm 4) screw in regulator cover That's replacing the whole diaphragm assembly You can apparently just replace the rubber? diaphragm keeping all the other plastic parts. That's what looks like a PITA and probably more effort than it's worth
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22nd January 2008, 08:26	#15 (permalink)
Lancer4545 Closed Circuit Divers Aus Current Rebreather/s: Megalodon Other Rebreather/s: Join Date: Jun 2007 Location: Cairns QLD Australia Posts: 573	Re: New Golem BOV? Quote: (Originally Posted by decoweenie) You have just done your MOD-2 so some of these might be applicable to you, but keep in mind... If the weight is correct right now u/w (i.e. neutral) with your set-up, what would (dry) lighter weight benefit you ? If the intention to use the BOV as the medium to get off the unit while getting the OC from the stage, why do you need the absolute best breathing 2nd-stage on it ? On the other hand, having a smaller surface will help reducing drag, and subsequent effort to bite, when scootering. Hey Deco, The lighter weight has a number of benefits including jaw fatigue but if it were to come down to having a lighter BOV with decreased performance I will take the old unit over the lighter one. If I am going to bail out I am going to keep the BOV in my mouth the whole time as I have the bailout connected in via the manifold. No more loop floating around your eyes and getting in the way for extended periods. If you have a scooter and are worried about the drag then go for what works for you.....But looking at the unit I don't think there will be a lot of difference. Lance __________________ You can run but you can't hide! ISC Appointed Megalodon Dealer for East Australia http://www.closedcircuitdivers.com.au info@closedcircuitdivers.com.au
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22nd January 2008, 08:27	#16 (permalink)
Lancer4545 Closed Circuit Divers Aus Current Rebreather/s: Megalodon Other Rebreather/s: Join Date: Jun 2007 Location: Cairns QLD Australia Posts: 573	Re: New Golem BOV? Quote: (Originally Posted by Mark Chase) Have you tried it upside down? OK were not upside down much My only concern about the present unit is the difficulty in obtaining and the cost of replacement diaphragms. The reg breaths very wet if its inverted which is a surprise too. I found the WOB on the present unit to be comparable to the standard KISS unit. ATB Mark Can't honestly say I have ever had a reason to try it Lance __________________ You can run but you can't hide! ISC Appointed Megalodon Dealer for East Australia http://www.closedcircuitdivers.com.au info@closedcircuitdivers.com.au
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22nd January 2008, 08:42	#17 (permalink)
decoweenie Crash Test Dummy Current Rebreather/s: Other CCR Other Rebreather/s: Other CCR Join Date: Feb 2005 Location: Cairo Posts: 5,510	Re: New Golem BOV? Quote: (Originally Posted by decoweenie) If the weight is correct right now u/w (i.e. neutral) with your set-up, what would (dry) lighter weight benefit you ? Quote: (Originally Posted by Lancer4545) ...The lighter weight has a number of benefits including jaw fatigue... Repeating... If the current BOV is neutral u/w, there is no jaw fatigue u/w Lighter BOV (pos) will actually require more effort to retain in mouth - or more hose weight Drag (from larger area) will increase jaw fatigue - independent of scootering or not __________________ "...after a while you get bored offering advice to a bull that like to keep butting the fence with its head rather than walking through the open gate..." - Rebreather World PM
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22nd January 2008, 21:58	#18 (permalink)
Lancer4545 Closed Circuit Divers Aus Current Rebreather/s: Megalodon Other Rebreather/s: Join Date: Jun 2007 Location: Cairns QLD Australia Posts: 573	Re: New Golem BOV? Quote: (Originally Posted by decoweenie) Repeating... If the current BOV is neutral u/w, there is no jaw fatigue u/w Lighter BOV (pos) will actually require more effort to retain in mouth - or more hose weight Drag (from larger area) will increase jaw fatigue - independent of scootering or not Hey Deco, Thanks for pointing that out again....I must not have been as concise in my reply the first time as I should have......On to a more detailed reply.... YES, I totally agree but have you ever sat on the boat on the loop waiting to get into the water when the boat captain keeps changing is mind on the spot or they are having trouble picking up the mooring line..... YES, but you have to have it weighted correctly....The Golem Gear weighted rings work a treat and you can get the loop weighted just right. Possibly, I don't fin around so fast that the drag is a real issue. I tend to go for a steady finning style requiring minimum effort but if you like to thrash around like a shark and are in a hurry then you will definately notice the difference and if you're scootering I am sure the 1/2 a square inch less surface area is going to make a huge difference. I'm glad we got that sorted....... Lance __________________ You can run but you can't hide! ISC Appointed Megalodon Dealer for East Australia http://www.closedcircuitdivers.com.au info@closedcircuitdivers.com.au
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23rd January 2008, 06:45	#19 (permalink)
decoweenie Crash Test Dummy Current Rebreather/s: Other CCR Other Rebreather/s: Other CCR Join Date: Feb 2005 Location: Cairo Posts: 5,510	Re: New Golem BOV? Quote: (Originally Posted by Lancer4545) []YES, I totally agree but have you ever sat on the boat on the loop waiting to get into the water when the boat captain keeps changing is mind on the spot or they are having trouble picking up the mooring line..... If you already have done your pre-breath and ready to go, why are you keeping the loop in your mouth while waiting such a long time ? Would you do the same thing (i.e. breathing from the reg while waiting a long time) on OC too ? Just leave the loop open and hang, then pick up just before jumping in. For the rest... Never mind. __________________ "...after a while you get bored offering advice to a bull that like to keep butting the fence with its head rather than walking through the open gate..." - Rebreather World PM*
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23rd January 2008, 07:39	#20 (permalink)
Lancer4545 Closed Circuit Divers Aus Current Rebreather/s: Megalodon Other Rebreather/s: Join Date: Jun 2007 Location: Cairns QLD Australia Posts: 573	Re: New Golem BOV? Quote: (Originally Posted by decoweenie) If you already have done your pre-breath and ready to go, why are you keeping the loop in your mouth while waiting such a long time ? Would you do the same thing (i.e. breathing from the reg while waiting a long time) on OC too ? Just leave the loop open and hang, then pick up just before jumping in. For the rest... Never mind. Cripes...what have I started here..... If you have dived with a FFM you will probably know what I am saying otherwise get hold of one and give it a go No....I'd leave the BOV in my mouth even when bailed out to OC. If you have a manifold it makes your options and actions a whole lot easier. Also keeps the loop out of the way and the OC regs staged where they are out of the way too. Other than that.......What Can I Say........ Lance __________________ You can run but you can't hide! ISC Appointed Megalodon Dealer for East Australia http://www.closedcircuitdivers.com.au info@closedcircuitdivers.com.au
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