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Reply by BlankMan

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Posted on Dust Colletion

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BlankMan

1490 posts in 3916 days


#1 posted 03-29-2012 01:07 PM

Well that really didn’t take long, see Clear Vue’s reply below to my request for a Fan Curve graph for their cyclone.

Clear Vue doesn’t have a fan curve for that cyclone. So you can’t determine which cyclone may perform better. So, it appears no testing was done on the Clear Vue cyclone by Clear Vue to determine CFM vs Static Pressure and produce a Fan Curve graph so that the actual performance of the Clear Vue cyclone can be known. Or they don’t want to share it.

That always makes me suspect when manufacturers are not willing to share that performance information be it cyclone or dust collector.

Without a Fan Curve graph you can’t determine air velocity, CFM, based on duct diameter, length and its resulting static pressure for a given duct work design.

So, in my previous comparison which one is really better? No one can say based on facts.

In light of this, I would rule out the Clear Vue and go with the Oneida because all the information is available to determine performance, air velocity, CFM, etc. for a given duct work design. And pay the extra $159 to get an all metal design, no wood, no plastic involved, thank you very much.

You won’t be shooting in the dark and hoping it will perform well, you will know how it will perform.

Good morning Curtis:

Unfortunately we do not have a fan curve at this time. That being said, there is a wealth of information available on our product, including a static pressure calculator, on Bill Pentz’s website at http://billpentz.com/woodworking/cyclone/index.cfm.

Please don’t hesitate to ask if I can help with anything else!

Take care,
Cathy

Clear Vue Cyclones
8633 South 212th Street
Kent, Washington 98031
1-888-299-0221, ext. 700
www.clearvuecyclones.com

So I did reply to that message, explaining what I said above, without a Fan Curve graph the performance for a given duct work design can’t be determined. I also asked if I missed the Fan Curve graph for it on Bill Pentz’s site. We’ll see what they say.

-- -Curt, Milwaukee, WI


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