Difference between cyclone DC & regular DC?

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Forum topic by Xtreme90 posted 09-21-2009 02:06 PM 932 views 0 times favorited 1 reply Add to Favorites Watch
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193 posts in 3217 days

09-21-2009 02:06 PM

Topic tags/keywords: question

Hi LJ members quick question,

What is the difference between a cyclone DC and a (regular) DC? How come it seems that two DC systems that are in the same class one a cyclone and the other a regular the regular seems to have so much more CFM.


-- "I don't cut wood. I machine it!" G.M. The wood machinest

1 reply so far

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Abe Low

111 posts in 3871 days

#1 posted 09-22-2009 07:26 AM

The cyclone DC’s separate and deposit all but the very finest particles in the bin below the cyclone. In my system, I don’t bother with the ultra fine particles and just let them go out he back of the DC shed, thereby eliminating the fine filtars at the end of the system. This improves the CFM and in two years of use I still don’t have even the smallest pile of particles in my back yard.
As to the second part of your question, the separation process does have some internal friction, thereby reducing the CFM – BUT – the cfm does not decrease as the bags get full in the regular DC systems. There are no bags in a cyclone system.
In any case, it is wise to never have the output from any type of DC system vent back into the shop – unless it is needed for heat or cooling in the shop – and then I’d recommend a large secondary filtration closet lined with the best pleated furnace filters. It’s the fine stuff that will do you damage. It’s the larger particles that make the shop look messy but they get trapped easily before getting into the deepest reaches of you lungs.

-- Abe Low, Fine furniture, Sacramento, CA

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