Dust Collection nightmare #1: Helpful? Hint

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Blog entry by curliejones posted 06-19-2016 11:08 AM 1778 reads 0 times favorited 2 comments Add to Favorites Watch
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We all know the difficulties of finding the right fittings and designing a system, but here’s a new wrinkle, for me, at least. I picked up a box with two different lengths of 1.5” I.D. pool hose included and the described fittings were missing. This salvage store sold it to me for $3.50. The hose was a perfect fit on 4 shop tools; a 12” Makita miter saw, a Harbor Freight Oscillating Spindle Sander, a Craftsman 4×24” belt sander (seldom used), and a DeWalt ROS.
I am still amazed at the retailers who do not state I.D. and O.D. on their fittings and adapters. Some of the ebay resellers actually do a better job than the “brand” websites.
I live in a rural area and the shipping is often as costly as the fitting so I’m not into $15-$20 to “try” something.
I called one company a couple days ago and was told that their 2-1/2” hose has ends that measure 2-1/4” so they can fit right in to the shop vac they sell. As if it was not already confusing enough without ID and OD specs!

- I have a 1 hp Jet set up with a recently made “top hat” cyclone and 4” line that can move to several machines. It works well on the table saw and has not been tried on the planer, sander, and jointer but the right adapters are installed for quick hook up. I plan to design a large plywood hood that includes a “big gulp” type plastic hood to go just behind the miter saw. The 1-1/2” hose from the saw guard will feed into that system at the rear of the saw. My challenge is getting the 1-1/2” hose to 2-1/4 or 2-1/2 so a Y can be used at the rear of the plywood/ big gulp hood.

Meanwhile, I’ll keep plugging away. Since I have a small DC, I need to be able to move things around easily so set up time is not cumbersome. I do have two shop vacs at my disposal, so collection duties will be split for convenience and efficiency.
If anyone knows of a spreadsheet where other woodworkers have started info on the ID and OD of adapters, fittings, etc. , I’d be glad to get some knowledge and also provide same as I measure everything. – Happy Father’s day to all you dads out there!

-- Like Guy Clark sez - "Sometimes I use my head, Sometimes I get a bigger hammer"

2 comments so far

View BobAnderton's profile


312 posts in 3914 days

#1 posted 06-19-2016 05:50 PM

I hear you. I ended up saying to hell with it and standardized on PVC pipe instead of dust collection industry fittings. At least then you’ve got industry wide specifications. You can look up exactly what the OD of pipe or the ID of fittings will be. I use 6” PVC and 6” flex for most stuff. 6” flex will stretch over the outside of SWD 6” pipe or schedule 40 6” pipe (they are both the same OD). I use 6” PVC pipe for tool ports whenever I can and the ends of any piece of flex I use has a male 6” PVC on one end and a female 6” PVC bell on the other so I can plug and play them together. The same could be done with 4”.

-- Bob Anderton - Austin, TX - Nova 3000 lathe, Alaskan Mark III mill, Husqavarna Saw

View pintodeluxe's profile


6413 posts in 3937 days

#2 posted 06-20-2016 06:57 PM

For the smaller fittings, try Mr. Nozzle ( I have been impressed by the quality of their fittings. For instance Their hose end attachments feature reverse threads to twist onto 1-1/4” or 1-1/2” I.D. hose, and the tool end is rubber to adapt to minor variances in tool fitting size.

If you have Amazon Prime for instance, you can get free shipping and free returns if needed. I try not to abuse the return policy, but it’s nice to know you’re not stuck with it if it doesn’t fit.

Good luck with it.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

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