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DC power Vs Noise

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Forum topic by SnowFrog posted 02-03-2012 03:27 AM 1745 views 0 times favorited 3 replies Add to Favorites Watch
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SnowFrog

102 posts in 2013 days


02-03-2012 03:27 AM

Topic tags/keywords: question

Hi there

I have been looking at DCs to replace my shop VAC for about a year now. After looking at countless blogs and various sites and of course reading “Woodshop Dust Control” from sandor Nagyszalancy” I figure for my tiny shop 11×13, one tool at a time, that I would be well suited with a DC in the 600-800CFm range and that is even taking into account the fact that what the manufacturer post as CFM is probably not what the actual useable capacity of the DC actually is.

Now my concern and the reason I still hesitate is the noise! I have heard some, not a lot, that sound like a tornado is coming through. Now my shop in in the basement of my house and the sound insulation between floor is not the greatest. Plus the shop is smack under the most used part of the house.

Now being in Canada what I see the most are General, King and Craftex. I have heard a Kind 1250 CFM 2HP unit and was happily surprise about the noise but that is too big a unit, not only for CFM for the top bag goes too high. A bigger means more money for small budget.

The unit that seems to fit the CFM and height range best is a Craftex CT029N, 825 CFM, 1 micron bag, looks like many other of similar design. Given that it is not the same CFM Rating as those with similar design like the HF unit I assume they are different.

I know the 1200CFM King unit is 66-77 db. Does anyone know how noisy the Craftex is.
or any other unit in that CFM range. It looks like most manufacturer don’t post those specs.

Any help and references would be appreciated even it they are just personal comparaisons.

Cheers and thank you in advance.

-- One can dream, about a passion not yet fully fulfilled!


3 replies so far

View JAAune's profile

JAAune

1646 posts in 1783 days


#1 posted 02-03-2012 03:48 AM

Unless you’re buying a very large dust collector (which you aren’t) I doubt you’ll find the noise unbearable. Those small models are much quieter and have a lower pitch sound than most shop vacs. A 2HP cyclone or a 3HP bag unit is loud enough that I wear earmuffs when they are on but the 1-1.5HP machines usually aren’t too bad.

-- See my work at http://remmertstudios.com and http://altaredesign.com

View Tyrone D's profile

Tyrone D

314 posts in 1799 days


#2 posted 02-03-2012 04:24 AM

I reccomend the Pro-Point 2HP dust collector. I have it and it is a beautiful beast. It has 1700CFM and runs on 110V. It isn’t too noisy; it’s a hell of a lot quieter than a shop-vac. You’ll find that it’s only low-end noise.
It is sold only at Princess Auto for 300 dollars. You can order online if there is none near you.

-- --Tyrone - BC, Canada "Nothing is ever perfect, we just run out of time."

View 8iowa's profile

8iowa

1546 posts in 3227 days


#3 posted 02-03-2012 04:58 AM

Putting a 2HP dust collector in a 143 sq ft shop doesn’t make any sense at all. You need to “harbor” every sq ft that you can. I have the Shopsmith DC3300 in my 194 sq ft because it has a footprint of only 3 sq ft.

The higher the HP the greater the noise. Since you are obviously a one man shop, a 1 HP unit with an eight foot’ 2 1/2” diameter hose will do fine. It does for me.

I’ve read Sandor Nagyszalancy’s books and articles, even exchanged a couple of emails with him. My conclusion is that he is not the guy to adivse anyone on the needs of a very small shop.

-- "Heaven is North of the Bridge"

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