Reply by brtech

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Posted on HF Dust collection question

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1029 posts in 2949 days

#1 posted 03-24-2012 06:03 PM

But the OP just spent $150 (mor or less) on a 2HP HF DC. Sure, you can get 5”, but at what cost?

If he can get to all his tools with 10’ of 4” flex, for sure, he doesn’t need 5” anywhere.

If the flex length is 20, well that’s pushing it, but it’s possible.

If you were running a main line down the shop with Wyes down to machines, a 5” main would be ideal on this DC. But 4” works. Lots of shops do that with this machine, as long as the runs are short, the bends are wide sweep or two 45s with a short straight section and the junctions are wyes, not Ts.

As with yours, while 5” may seem right, with long lengths, actually 4” may be better. Your cyclone has a lot more CFM than the HF DC.

An Oneida Cyclone and 5” mains sounds great. But also more than a bit above the price point here.

You can go read up at Bill Penz’ site. He says you need 5HP and 6” mains, with a well designed cyclone and excellent filtration. I’ll get there some day. Right now, my 2HP HF and 4” pipe works okay.

I will say this: the first thing you want to add to the HF DC is the Wynn Engineering 35A canister filter. It will make the most difference, both in increasing CFM and in decreasing dangerous dust particles. Drop in upgrade for this DC, nice folks to deal with, and the best investment in your health you can make beyond the DC itself.

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