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 Post subject: DIY clean chamber, v2
PostPosted: September 24th, 2014, 16:49 
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Joined: December 8th, 2010, 11:37
Posts: 518
Location: Ottawa, Canada
I finished version 2 of my DIY clean chamber this week, salvaging as many parts as I could from the earlier version. An airflow test shows there is plenty of air flow over the working area. Being new at creating videos, the one I created while testing airflow is too large; I'll try to create a new one in lower resolution to reduce the file size. If these can be of some help to others, great!

Image

More photos:
http://tinypic.com/m/ibju6c/3
http://tinypic.com/m/ibju6d/3

Drawings:
http://tinypic.com/m/ibjuas/3
http://tinypic.com/m/ibjuaq/3
http://tinypic.com/m/ibjuau/3

Parts list:
http://tinypic.com/m/ibjuys/3

Video:
http://goo.gl/h4Ku4h

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 Post subject: Re: DIY clean chamber, v2
PostPosted: September 24th, 2014, 17:09 
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Joined: September 8th, 2009, 18:21
Posts: 9735
Location: Australia
Very nice!

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 Post subject: Re: DIY clean chamber, v2
PostPosted: September 24th, 2014, 17:18 
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Joined: June 25th, 2013, 6:32
Posts: 37
Location: Blank
I have some doubts about building design concepts for hdd recovery laminar flow benches.


Definetely nice!



Haltec


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 Post subject: Re: DIY clean chamber, v2
PostPosted: September 24th, 2014, 17:25 
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Joined: November 29th, 2006, 10:08
Posts: 6913
Location: UK
I must admit, it looks pretty good!

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 Post subject: Re: DIY clean chamber, v2
PostPosted: September 24th, 2014, 19:56 
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Joined: December 4th, 2012, 1:35
Posts: 2963
Location: Adelaide, Australia
When is the LS-CC Mark I due out for sale? :)


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 Post subject: Re: DIY clean chamber, v2
PostPosted: September 24th, 2014, 21:06 
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Joined: December 8th, 2010, 11:37
Posts: 518
Location: Ottawa, Canada
Thanks for your kind comments.

Haltec wrote:
I have some doubts about building design concepts for hdd recovery laminar flow benches.

In general, or the design I used? I'd be interested to know more.

My only concern is the efficacy of the HEPA filter. It's claimed to be a "True HEPA" filter with 99.97% effectiveness at removing particles 0.3um and larger, but I'd love to know for sure. I left enough room to add a second HEPA filter sandwiched to the first, but doubt it will be necessary. Perhaps I can find a local lab that will test it for a reasonable fee.

HaQue wrote:
When is the LS-CC Mark I due out for sale? :)

I'd rather start earning some money using what I have than become a full-time carpenter/manufacturer. :)

Edit: Make that "My wife would rather I start earning . . . . "

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 Post subject: Re: DIY clean chamber, v2
PostPosted: September 24th, 2014, 23:03 
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Joined: December 8th, 2010, 11:37
Posts: 518
Location: Ottawa, Canada
Sorry, can't edit the earlier URL to the video. Here's a slightly smaller-sized version: http://goo.gl/cgB78D

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 Post subject: Re: DIY clean chamber, v2
PostPosted: September 25th, 2014, 2:46 
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Joined: August 3rd, 2012, 7:47
Posts: 294
Location: slovenija
very good project.
You can earn also with clean chambers :D


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 Post subject: Re: DIY clean chamber, v2
PostPosted: September 26th, 2014, 5:19 
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Joined: December 5th, 2011, 5:38
Posts: 1097
Location: Italy
Maybe i will buy one from you Larry :)


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 Post subject: Re: DIY clean chamber, v2
PostPosted: September 26th, 2014, 5:26 
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Joined: August 13th, 2008, 13:10
Posts: 808
Location: World
HI Larry! veri jod job!


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 Post subject: Re: DIY clean chamber, v2
PostPosted: September 26th, 2014, 9:01 
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Joined: December 8th, 2010, 11:37
Posts: 518
Location: Ottawa, Canada
Thanks, Jerovšek, Michael and hddrec (I assume Google Translate mangled your kind comment, hddrec. lol) I included the drawings in my OP so anyone interested could easily build their own. Shipping lumber doesn't make economic sense, but a pre-cut and drilled kit would make assembly relatively easy. Perhaps I should partner with IKEA? :mrgreen:

Things I would do differently:
1. use two adjacent HEPA filters (or use a longer filter) for complete coverage of the enclosure
2. substitute ordinary screening for the cold rolled perforated steel screen to cut weight and cost.

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 Post subject: Re: DIY clean chamber, v2
PostPosted: September 26th, 2014, 16:53 
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Joined: August 13th, 2008, 13:10
Posts: 808
Location: World
hhddrec wrote:
HI Larry! veri jod job!



Hahaha!!

I think google is cleverer than mine.

But i insist, Very good Job!


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 Post subject: Re: DIY clean chamber, v2
PostPosted: January 5th, 2015, 12:02 
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Joined: March 7th, 2011, 10:45
Posts: 56
Location: France
LarrySabo wrote:
I finished version 2 of my DIY clean chamber this week, salvaging as many parts as I could from the earlier version. An airflow test shows there is plenty of air flow over the working area. Being new at creating videos, the one I created while testing airflow is too large; I'll try to create a new one in lower resolution to reduce the file size. If these can be of some help to others, great!

Image

More photos:
http://tinypic.com/m/ibju6c/3
http://tinypic.com/m/ibju6d/3

Drawings:
http://tinypic.com/m/ibjuas/3
http://tinypic.com/m/ibjuaq/3
http://tinypic.com/m/ibjuau/3

Parts list:
http://tinypic.com/m/ibjuys/3

Video:
http://goo.gl/h4Ku4h

The video link is down, can you check it?


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 Post subject: Re: DIY clean chamber, v2
PostPosted: January 5th, 2015, 12:23 
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Joined: December 8th, 2010, 11:37
Posts: 518
Location: Ottawa, Canada
As mentioned above:
Quote:
Sorry, can't edit the earlier URL to the video. Here's a slightly smaller-sized version: http://goo.gl/cgB78D

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 Post subject: Re: DIY clean chamber, v2
PostPosted: January 5th, 2015, 12:28 
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Joined: August 15th, 2006, 3:01
Posts: 2353
Location: CDRLabs @ Chandigarh [ India ]
Larry ,
I Am Also Gonna Design My Own Its a Totally Different Design Then Yours

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 Post subject: Re: DIY clean chamber, v2
PostPosted: January 5th, 2015, 14:19 
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Joined: December 8th, 2010, 11:37
Posts: 518
Location: Ottawa, Canada
@Amarbir, I decided to design my own because I do very little DR, just as a compliment to my PC repair business. The shipping cost of certified HEPA filters is ridiculous, so I decided to go with a readily-available HEPA filter designed for an air purifier (99.97% @ 0.3 micons). I considered using a ULPA filter (99.999 % at 0.1 micron: http://goo.gl/KU6gfr) but believe that would have required a more powerful motor than I already had on hand. Anyway, good luck with your build, and I hope you share whatever design you end up with, please.

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 Post subject: Re: DIY clean chamber, v2
PostPosted: January 5th, 2015, 19:09 
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Joined: December 4th, 2012, 1:35
Posts: 2963
Location: Adelaide, Australia
Hi Larry, I wonder if you have used any commercial cabinets and if you can comment on the practical and physical differences, if any.. such as when you are working in one or the other.. is comfort the same, any difference in noise levels, does one or the other produce a variance in cleanness?

I appreciate you sharing the process and results with us, it is a very nice looking job!


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 Post subject: Re: DIY clean chamber, v2
PostPosted: January 5th, 2015, 21:47 
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Joined: December 8th, 2010, 11:37
Posts: 518
Location: Ottawa, Canada
Hi Brian. There are a number of youtube videos (http://goo.gl/Qr0rgM) by a local DR provider showing head swaps up close, airflow noise included. Mine is quieter, I think, but it uses a smaller motor and has less total air flow, so that's to be expected. You can feel the breeze in the face with mine but I wear glasses and don't find it objectionable. I sometimes work with the cover lowered, which eliminates the breeze in the face and provides higher air flow over the work area. Some prefer a vertical flow unit for that reason (no breeze in the face).

The commercial bench he uses offers a *lot* more working area than my DIY chamber/bench and I suspect the airflow is higher, but adjustable. I haven't laid my hands on a commercial bench myself, so can't fairly compare them. I find mine perfectly comfortable to use, thanks to it resting on a cart that places the working area at just the right height. It wheels around very easily and I just keep it to one side in a parking area when I'm not using it. Otherwise, I wheel it up to beside my desk where I do most of my work. As far as cleanliness, it works great. Rarely do I find any dust on the platters, and it's usually deposited from the HDD cover if there is any. Notice in one of the cited videos, that he blows dust off the platters with a can of compressed air before closing up the drive, so I think my chamber/bench is perfectly fine.

Thanks for the kind comment. If I build another one, it will probably use a ULPA filter and look like HDDSurgery's prototype (https://www.youtube.com/watch?feature=p ... jqkyIcqyuo). :)

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 Post subject: Re: DIY clean chamber, v2
PostPosted: January 5th, 2015, 22:38 
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Joined: December 4th, 2012, 1:35
Posts: 2963
Location: Adelaide, Australia
Thanks Larry, very inspiring work. Thanks for the reply, I would love to build one myself and I think your posts help a great deal :)


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 Post subject: Re: DIY clean chamber, v2
PostPosted: January 16th, 2015, 11:01 
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Joined: May 11th, 2013, 21:08
Posts: 98
Location: Australia
I'll be getting one cut out soon, thanks to access to a local business with a CNC 2400x1200 system. Was going to use 12mm clear acrylic and a 12V car air blower motor so I can adjust the speed with ease if required. The filters I was going to try initially were the Nilfisk Extreme H14 rated units ( probably 2 or 3 of them ).

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