dust collectors

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Forum topic by hunter82 posted 11-06-2009 03:42 PM 1064 views 0 times favorited 2 replies Add to Favorites Watch
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12 posts in 3949 days

11-06-2009 03:42 PM

I am looking to get a dust collector. I am torn between the Grizzley and the Rockler.

The rockler has 650 cfm and the grizzley has 450 cfm. How important is that since I only run one machine at a time. Would there be much of a difference in the noise between these two.
Are these pretty good at what they do
I am just a weekend woodworker so it will not be running all day every day.

Should I just stick with my shop vac.

Thanks for the help

2 replies so far

View TheDane's profile


5552 posts in 3868 days

#1 posted 11-06-2009 06:30 PM

I have a 650 cfm portable DC (ProTech) ... if I am working outside on the driveway, I use the ProTech. If I am in the garage/shop, I usually wind up using my ShopVac/Dust Deputy combo.

One problem with these portable DC’s is the bag they supply. Mine came with a 30-micron bag, which means that the finest dust (the most dangerous stuff to your lungs) was blowing right through the bag and back into the air. I bought a 5-micron bag for it (about $30) and that helped, but I think I get better results with a HEPA filter installed in my ShopVac.

I run an air cleaner (ShopVac 1030000) when I am working in the shop, and I notice that the filters in the air cleaner seem to collect more dust when I am using the ProTech than when I use the ShopVac/Dust Deputy.

Very unscientific … but that’s how I see it.

-- Gerry -- "I don't plan to ever really grow up ... I'm just going to learn how to act in public!"

View MedicKen's profile


1615 posts in 3667 days

#2 posted 11-06-2009 06:49 PM

You may want to consider going a little larger than 650 cfm. If you ever upgrade your equipment or move to a larger shop and have longer runs of ducting you will be glad you did. My feeling is the smallest you would ever want to go is 650cfm and that is connected to 1 machiine with no more than 10’ of ducting. I would look at machines that are mininum of 1 1/2 hp with a 13” or larger impeller. You might also consider looking at FWW and WOOD magazines as they have both done reviews on dust collectors in the past year.

-- My job is to give my kids things to discuss with their

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