[PSUBS-MAILIST] CO2 scrubber BOM or documentation

[Cliff Redus via Personal_Submersibles]

 Yes Emile, this is a radial blower. The direction of flow in axial intake but radial centrifugal exhaust.  Some people refer to these as squirrel gage blowers. I was looking at my files and can't put my fingers on the datasheet for this blower but see Papst RL90-18/14N which is a newer version of this blower.  https://www.onlinecomponents.com/en/datasheet/rl901814n-12103307/
Cliff

    On Thursday, March 21, 2024 at 05:02:51 AM CDT, via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  
 
 
Hi Cliff, 

  

It is a Radial blower right? These ones create a higher pressure than axial blowers. 

  

Br, Emile

  

Van: Personal_Submersibles <personal_submersibles-bounces at psubs.org> Namens Cliff Redus via Personal_Submersibles
Verzonden: donderdag 21 maart 2024 00:17
Aan: Jon Wallace via Personal_Submersibles <personal_submersibles at psubs.org>
Onderwerp: Re: [PSUBS-MAILIST] CO2 scrubber BOM or documentation

  

Jon, see the attached drawing of the scrubber I will be using on the R400. It is essentially the same configuration I use on the R300.  I have had good luck with the Rapst RL90-18/24 Fan Blower.  These come up on eBay often.  You can get this used on eBay for $39 now.  These are good German-engineered blowers that seem to strike a balance between adequate head, and not to much current draw so that you can meet the 72-hour ABS rule and they are quiet.

  

System Papst RL90-18/24 Chassis Fan Blower | eBay

  

Cliff

  

  

On Wednesday, March 20, 2024 at 01:21:01 PM CDT, Jon Wallace via Personal_Submersibles <personal_submersibles at psubs.org> wrote: 

  

  

Hey guys, I'm in the initial thought processes of CO2 scrubber design and really don't want to reinvent the wheel on this component.  Are any of you willing to share some details on your design?  I know Alec submitted a 3D printer design which we have on the website however I don't have access to a 3D printer and frankly even though I've spent 40+ years in software development and can modify a UNIX kernel, my CAD skills are pretty much non-existent.

  

For this component I'd really like something that can be built with as many off the shelf parts as possible.  Any suggestions?

  

Jon

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