If anyone has bought one of these kits:
I'd like to get some clarification on exactly which parts are included
because the web site is rather fuzzy... For example, a "blast gate"
included, but they sell three or four different kinds and I'd kinda like
to know exactly which one. Thanks.
See Nad. See Nad go. Go Nad!
To reply, eat the taco.
First, as for parts I'd contact them directly and ask for catalog
numbers of the parts in the kit. They should have that or be able to
get back to you.
I've studied these systems quite a bit myself as I'm going to have to
move my shop from an absolute dream setup to a basement after I finish
I personally don't have a dust collection system because in shop I'm
in now I just open up two doors and turn on a squirrel fan. Holy cow
can those things move air!
I am fortunate to have a handful of good friends who are engineers and
I asked them about the setup. They're not HVAC people but they were
all excited because they got to use one of the features of their super
expensive ProE CAD program that none of them had a reason to use
before. Business is kinda slow for them unfortunately so they were
happy to have something to play with. I had them use a 6" diameter
backbone. That's basically the minimum you want according to what
I've read online. I've got asthma already so this is a topic close to
my heart and lungs.
The gist of the what I got back from them was that for maximum suction
at the end you want to keep the 45 degree branch pipe as large as
possible. Reducing it down branch point reduces the suction
significantly. They also said that putting the reducers as close to
the end as you could was best. Blast gate suggestions were
interesting as they said putting them as close to the branch point was
optimal to reduce the static air space when that machine was not in
use. This is rather difficult unless you have an electric opener
though. Finally, keep the flexible hose as straight and short as
possible. Extra length and turns in this stretch can kill the best
The best source on the internet that I've found has been
http://www.billpentz.com/woodworking/cyclone/index.cfm They go into
details that I hope to be able to implement.
Hope some of this helps. Sorry I don't have a direct answer for you.
C. S. Mark
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