RE: [PSUBS-MAILIST] OSS Scrubber Systems

["Warrend Greenway" <dub@linuxmail.org>]

Why don't we include the de-humidifier as part of the scrubber?
Then we could have it before the fans, and the fans would then
be dual purpose. 

Warren.

> Just to elaborate, I used two computer cooling type fans about 4" square and an inch deep. They are nice and quiet, have low power consumption, and an expected service life of 20,000 hours. However, the resistance of the scrubber material is considerable and I'm not sure they actually get enough air through it. I can feel it coming out the other side, but just barely. A sealed-in test is pending, and I'll do it once I have an airtight hull and CO2 sensors, but my seat of the pants impression is the computer fans are on the weak side.
> 
> There's one more consideration. The scrubber material generates a lot of humidity, and in my sucker-blower design the humid air goes through the motors. The fans literally get dripping wet. So what I'm thinking is a bilge blower motor might be designed to be explosion-proof, and hence watertight and less likely to have a problem with all that humidity. 
> 
> Alec
> 
> -----Original Message-----
> From: Alec Smyth 
> Sent: Monday, February 03, 2003 11:50 AM
> To: personal_submersibles@psubs.org
> Subject: RE: [PSUBS-MAILIST] OSS Scrubber Systems
> 
> 
> That looks just about right to me.
> 
> -----Original Message-----
> From: Pierre Poulin [mailto:pipo305@hotmail.com]
> Sent: Friday, January 31, 2003 7:36 PM
> To: personal_submersibles@psubs.org
> Subject: RE: [PSUBS-MAILIST] OSS Scrubber Systems
> 
> 
> Alec,
> 
> What do you think about that fan?
> 
> Compact Direct-Drive DC Axial Duct Fan 12 VDC, 140 Cfm @ 0" SP, For 3" Duct 
> Diameter
> $ 40.27 Each
> 
> Look at the attach picture! It has a nice mounting and easy pluging.
> 
> Pierre
> 
> 
> 
> 
> 
> 
> >From: "Alec Smyth" <Asmyth@Changepoint.com>
> >Reply-To: personal_submersibles@psubs.org
> >To: <personal_submersibles@psubs.org>
> >Subject: RE: [PSUBS-MAILIST] OSS Scrubber Systems
> >Date: Fri, 31 Jan 2003 16:08:39 -0500
> >
> >Thanks Pierre. One thing I'd point out is if I were to build it again I 
> >would use stronger fans. There's a post someone made with a specific make 
> >and model recommendation on a fan that several people are using 
> >successfully.
> >
> >thanks,
> >
> >Alec
> >
> >-----Original Message-----
> >From:	Pierre Poulin [mailto:pipo305@hotmail.com]
> >Sent:	Fri 1/31/2003 12:52 PM
> >To:	personal_submersibles@psubs.org
> >Cc:
> >Subject:	Re: [PSUBS-MAILIST] OSS Scrubber Systems
> >
> >Warren,
> >
> >I can take the scrubber if you want. I keept all the mail that was passing
> >conserning the scrubber. Specialy the Alec Smith edition wich is pretty 
> >good
> >to my opinion.
> >
> >What about that?
> >
> >Pierre
> >
> >
> >
> >
> >
> >
> > >From: "Warrend Greenway" <dub@linuxmail.org>
> > >Reply-To: personal_submersibles@psubs.org
> > >To: personal_submersibles@psubs.org
> > >Subject: [PSUBS-MAILIST] OSS Scrubber Systems
> > >Date: Sat, 01 Feb 2003 01:11:38 +0800
> > >
> > >Hey, Mark and Pierre. There seems to be quite a bit of immediate
> > >interest in CO2 scrubbers. We will need to deal with scrubbers
> > >for the OSS sooner or later, so perhaps now is the time to
> > >coordinate the interest and effort available to consolidate all
> > >the information we will need. Takers?
> > >
> > >Warren.
> > >--
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