[Noisebridge-discuss] Laser engraver needs to go back in the DJ booth

Robert Chu robertayoungchu at gmail.com
Thu Apr 12 01:21:28 UTC 2012

Also with the exhaust upgrades, you can see how hard the fans pull as well.
I would say (iho) by eyeing it, the it is no less then 2x more powerful.
The exhaust tube is shorter in this configuration, all of the non-essential
openings are sealed, and the the top exhaust fan at the end of the tube


On Wed, Apr 11, 2012 at 4:28 PM, Alan Rockefeller <alanrockefeller at gmail.com
> wrote:

> There is a fan both on the back of the laser engraver and on the roof.  I
> don't know how many CFM the roof fan is, but it works pretty well.  A
> couple days ago I took off the exhaust tube and put my hand over it, and
> there was a good amount of pressure there and the drier hose contracted
> significantly.
> A better fan on the roof would improve the system, and we should get one,
> however I think that the current system vents 99.9999% of the exhaust to
> the roof.  Even when cutting very smelly material, you can't smell anything
> when the laser is running.    After the person takes their piece out you
> can smell the laser a little, but that will be the same no matter where it
> is located.  If they wait one minute before opening the laser and taking
> out their work, that odor is reduced by 99%.
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