Up until now I have been using my Harbor Freight DC a 31 gallon garbage can with the separator lid from Wood craft. It worked, but not like I had hoped. I recently purchased the Wynn Environmental filter 35A and started to build a Thein separator lid using 4” hoses. I emptied the contents of the can and DC collection bag on the floor for comparison and then proceeded to install the Wynn filter and Thien separator. I was truly impressed with the overall improvement in performance, th...
Finally got my version of thien separator working after several rounds of trial and error. Thought I could share my findings. It’s made of a 5 gal big-box bucket, plywood, and plastic plumbing fittings. A 32 gal plastic trash can was used for collecting dust. Silicone adhesive and insulating self-adhesive tape were used to make the separator and dust bin combo as air-leak-free as possible. This is inside the separator looking at the intake pipe (black) and the pipe (whit...
I know that many people have modified the HF-DC but I just wanted to put my spin out there. I have been doing a lot of research on the many different styles of updates/modifications that have been done and holy cow there are a lot. But, most of them rely on the Thien principle that seems to be pretty simple. On the Thien blog there is a guy that tests and records many different modifications with different setups. I am going to set-out to make my entire system buying the least amount as p...
I am just posting my journey for my upgrades to the Harbor Freight Dust collector I got. I have been using it stock except for the wynn filter cartridge and have been happy with it so far, however I have been getting some leaks and will smell the wood dust coming from the collector after cutting items. So I figured if I am going to seal the leaks, I better just build a whole new cart and add a Thien Separator. The first post here is detailing the Thien Separator. I went over to his we...
I should start by saying that I have a pretty big home shop (35×50, with attached equipment room), but I also have quite a bit of “stuff”. I am trying to use approx. half of it for woodworking and that means I need to move my rider motorcycle and lawn mower out and in. So I felt I should build a place for DC, clean air and clamps. You know, things you need much of the time. I built the separator on a 55 gallon drum and put the HF DC head up in the top of the enclosure. ...
I started this project a year or two ago when I read about the benefits of a two-stage system. I purchased a Woodstock lid type separator for a five gallon bucket and when I filled it up too fast I cut a hole in the bottom of the five gallon bucket and put it on top of a Rubbermaid bin. Big mistake. However I was using the shop vac all over the house, most of the time by itself so I never really tested the efficiency of the system until the other day. While it was collecting most of the bi...
I posted two projects related to the dust collection system designed into this mobile workbench. Click the links for the compact Thien dust separator and the rotary blast gates. The dust separator seemed extremely effective with almost no carryover to the vacuum. I was anxious test and document how effective, so I followed the example of some LJers and set up a test. I measured the contents of the dust separator bin and dumped it on the floor. I also swept up the shop floor which included ...
I live in Northern Virginia just outside of Washington, DC. I built this Thien Dust Separator to go with a Harbor Freight Dust Collector. I recently replaced this separator with one from Oneida last month. This Thien separator worked fine but it was difficult for me to empty the dust in the shop set-up I have so I replaced it. As I mentioned, it works fine and is in good shape There is about $30 of hardware and $20 for the 30 gal trash container. Anyone wanting to give this...
The picture below is of the after stage thein I mentioned in the first part of this blog along with an addition. If I have a bucket of water in the shop, along with my walls eventually getting coated with dust from it seeping out of my poor filter bag on my dust collector the water get filled with dust and it sinks to the bottom. after a few days of heavy wood cutting a 1/4” layer of dust is at the bottom. Yes I know, I need to do something about this. Part of it is my mediocre dust ...
Something I’ve been thinking about for a long time. Since I’m involved in whole house renovations at the moment I won’t get to building it for awhile but maybe someone might and find it doesn’t work and put me out of my misery in thinking about it. I have one of those 1 1/2 hp delta dust collectors. One side is the motor and impeller. The other side is the round metal hoop with a bag on the bottom for the chips and a bag on the top for air expulsion and dust. I took...
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