Newbie compressor and booster question...

Mdemon · 19th May 2007, 17:03

I've got an old Bauer Purus petrol-engined compressor. I've also got a maximator gas booster.

So far, have only played with the (excellent) booster a couple of times, using air from a cylinder; and enough to know that the thing uses tons of drive gas for the HP stuff.

So, enter the compressor. Unused (by me), sitting in the shed, new oil but a filter probably not much younger than me.

Question: Is there any reason why poorly-filtered gas can't be used to drive the booster please? (I can't see why not, but then I know jack...)

Sutty · 19th May 2007, 17:31

With some boosters there is an at least theoretical risk of contamination of boosted gas with drive gas, so for boosting O2 particularly you want clean drive gas. I don't know about the maximator specifically. Jetsam advise that the drive air for their baby booster should be of breathing quality. I understand that some seals on the drive cylinder may also not like moisture which could be present in poorly filtered air.

Neil

Mdemon · 19th May 2007, 17:40

Thanks. Sounds like I need a separate filter.

Although...I wonder how loud the bang would be if I used what's left in my J of O2 as a drive gas?

RobPot · 19th May 2007, 17:50

Quote:

Although...I wonder how loud the bang would be if I used what's left in my J of O2 as a drive gas?

If I lend you a kevlar helmet and flak jacket, can I come and watch?

Mdemon · 19th May 2007, 19:08

Quote: (Originally Posted by RobPot)

If I lend you a kevlar helmet and flak jacket, can I come and watch?

Lend me your booster as well and you have a deal.

Just heard from the distributer that the drive piston on my model is separate - so I can use the compressor. I like the idea of using up the O2 though...

mikedivetech · 20th May 2007, 17:49

Alternatively, you could have bought the DTB5C gas booster from Divetech.
This pump has been designed with a double vented interspace between the air motor and the piston. Due to the design of the airmotor, air is only supplied to the top of the drive piston. The piston is returned by a spring and the incoming gas pressure, which also makes it very economical on air ( 3:1 ). We supply all the fittings needed for you to run the booster from any low pressure compressor as standard. Why not take a look at

http://www.gasbooster.co.uk/DTB5C.ht

The new fully anodised model is available from 1st June.

Mike

Mdemon · 20th May 2007, 18:07

Shoehorn that plug in there!

I could have. Still waiting for a response to my email though. Nice looking kit by the way.

Quote: (Originally Posted by mikedivetech)

Alternatively, you could have bought the DTB5C gas booster from Divetech.
This pump has been designed with a double vented interspace between the air motor and the piston. Due to the design of the airmotor, air is only supplied to the top of the drive piston. The piston is returned by a spring and the incoming gas pressure, which also makes it very economical on air ( 3:1 ). We supply all the fittings needed for you to run the booster from any low pressure compressor as standard. Why not take a look at

http://www.gasbooster.co.uk/DTB5C.ht

The new fully anodised model is available from 1st June.

Mike

Sutty · 20th May 2007, 18:15

The link is missing the "ml" of "html"

Neil

rjack · 29th May 2007, 20:27

Price on the DTB5C booster?

Ben Field · 30th May 2007, 10:59

Quote: (Originally Posted by rjack)

Price on the DTB5C booster?

I was quoted £1360 (including all hoses, adapters and next day delivery)

I'd be interested to hear of anyone who's got one of these and how it is to live with?

My LDS has the bigger electric version and its very good from what I've seen.

Anyone got a DTB5C and a camera fancy doing an article? I'll do it if someone want to loan me one to test (for the summer

)

BEN

19th May 2007, 17:03	#1 (permalink)
Mdemon SiegeEngine II Current Rebreather/s: Inspiration Classic Home Build Other Rebreather/s: Inspiration Classic Home Build Join Date: Feb 2007 Location: SWUK Posts: 1,904	Newbie compressor and booster question... I've got an old Bauer Purus petrol-engined compressor. I've also got a maximator gas booster. So far, have only played with the (excellent) booster a couple of times, using air from a cylinder; and enough to know that the thing uses tons of drive gas for the HP stuff. So, enter the compressor. Unused (by me), sitting in the shed, new oil but a filter probably not much younger than me. Question: Is there any reason why poorly-filtered gas can't be used to drive the booster please? (I can't see why not, but then I know jack...)
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19th May 2007, 17:31	#2 (permalink)
Sutty Classic Kiss diver Current Rebreather/s: Classic Kiss Other Rebreather/s: Join Date: Jun 2005 Location: Glossop, Derbyshire, UK Posts: 784	Re: Newbie compressor and booster question... With some boosters there is an at least theoretical risk of contamination of boosted gas with drive gas, so for boosting O2 particularly you want clean drive gas. I don't know about the maximator specifically. Jetsam advise that the drive air for their baby booster should be of breathing quality. I understand that some seals on the drive cylinder may also not like moisture which could be present in poorly filtered air. Neil __________________ Never forget that life is a finite resource.
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19th May 2007, 17:40	#3 (permalink)
Mdemon SiegeEngine II Current Rebreather/s: Inspiration Classic Home Build Other Rebreather/s: Inspiration Classic Home Build Join Date: Feb 2007 Location: SWUK Posts: 1,904	Re: Newbie compressor and booster question... Thanks. Sounds like I need a separate filter. Although...I wonder how loud the bang would be if I used what's left in my J of O2 as a drive gas?
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19th May 2007, 17:50	#4 (permalink)
RobPot Rebreather World Writer Current Rebreather/s: Classic Kiss Other Rebreather/s: Join Date: May 2005 Location: Portishead - Gateway to the South West Posts: 180	Re: Newbie compressor and booster question... Quote: Although...I wonder how loud the bang would be if I used what's left in my J of O2 as a drive gas? If I lend you a kevlar helmet and flak jacket, can I come and watch?
(Offline)

19th May 2007, 19:08	#5 (permalink)
Mdemon SiegeEngine II Current Rebreather/s: Inspiration Classic Home Build Other Rebreather/s: Inspiration Classic Home Build Join Date: Feb 2007 Location: SWUK Posts: 1,904	Re: Newbie compressor and booster question... Quote: (Originally Posted by RobPot) If I lend you a kevlar helmet and flak jacket, can I come and watch? Lend me your booster as well and you have a deal. Just heard from the distributer that the drive piston on my model is separate - so I can use the compressor. I like the idea of using up the O2 though... Last edited by Mdemon : 19th May 2007 at 19:11.
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20th May 2007, 17:49	#6 (permalink)
mikedivetech New Member Current Rebreather/s: Inspiration Classic Other Rebreather/s: Join Date: Jan 2007 Location: Bath Posts: 3	Re: Newbie compressor and booster question... Alternatively, you could have bought the DTB5C gas booster from Divetech. This pump has been designed with a double vented interspace between the air motor and the piston. Due to the design of the airmotor, air is only supplied to the top of the drive piston. The piston is returned by a spring and the incoming gas pressure, which also makes it very economical on air ( 3:1 ). We supply all the fittings needed for you to run the booster from any low pressure compressor as standard. Why not take a look at http://www.gasbooster.co.uk/DTB5C.ht The new fully anodised model is available from 1st June. Mike
(Offline)

20th May 2007, 18:07	#7 (permalink)
Mdemon SiegeEngine II Current Rebreather/s: Inspiration Classic Home Build Other Rebreather/s: Inspiration Classic Home Build Join Date: Feb 2007 Location: SWUK Posts: 1,904	Re: Newbie compressor and booster question... Shoehorn that plug in there! I could have. Still waiting for a response to my email though. Nice looking kit by the way. Quote: (Originally Posted by mikedivetech) Alternatively, you could have bought the DTB5C gas booster from Divetech. This pump has been designed with a double vented interspace between the air motor and the piston. Due to the design of the airmotor, air is only supplied to the top of the drive piston. The piston is returned by a spring and the incoming gas pressure, which also makes it very economical on air ( 3:1 ). We supply all the fittings needed for you to run the booster from any low pressure compressor as standard. Why not take a look at http://www.gasbooster.co.uk/DTB5C.ht The new fully anodised model is available from 1st June. Mike
(Offline)

20th May 2007, 18:15	#8 (permalink)
Sutty Classic Kiss diver Current Rebreather/s: Classic Kiss Other Rebreather/s: Join Date: Jun 2005 Location: Glossop, Derbyshire, UK Posts: 784	Re: Newbie compressor and booster question... The link is missing the "ml" of "html" Neil __________________ Never forget that life is a finite resource.
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29th May 2007, 20:27	#9 (permalink)
rjack New Member Current Rebreather/s: Not Bought Yet Other Rebreather/s: Not Bought Yet Join Date: Jan 2007 Location: Seattle Posts: 30	Re: Newbie compressor and booster question... Price on the DTB5C booster?
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30th May 2007, 10:59	#10 (permalink)
Ben Field CK+Shearwater Current Rebreather/s: Classic Kiss Other Rebreather/s: Sport Kiss Join Date: Aug 2005 Location: London, England Posts: 1,570	Re: Newbie compressor and booster question... Quote: (Originally Posted by rjack) Price on the DTB5C booster? I was quoted £1360 (including all hoses, adapters and next day delivery) I'd be interested to hear of anyone who's got one of these and how it is to live with? My LDS has the bigger electric version and its very good from what I've seen. Anyone got a DTB5C and a camera fancy doing an article? I'll do it if someone want to loan me one to test (for the summer ) BEN __________________ www.hugsac.org.uk Beware Fridge Suck
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