DownDraft Box - Page 3 - Router Forums
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post #21 of 30 (permalink) Old 09-12-2018, 09:40 AM
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Originally Posted by Herb Stoops View Post
Barry, you might try enlarging some or all of your holes. The small holes actually cut down on the sir flow. Also they recommend beveling both sides of the holes to increase air flow. You can do that by just using a countersink.
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Herb, I will enlarge the holes a bit. Since the top is pegboard the counter sink idea won't work. Had I built something like your impressive box, with a thicker top, I'd do that. Thanks for the suggestion.
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post #22 of 30 (permalink) Old 09-12-2018, 09:48 AM
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Forgot to add a picture of my downdraft table. Not even close to Herb's but it's adequate for my small projects.
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post #23 of 30 (permalink) Old 09-12-2018, 01:12 PM Thread Starter
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Forgot to add a picture of my downdraft table. Not even close to Herb's but it's adequate for my small projects.
Try it without the mat, or a smaller mat and see if the increases the air flow. Also side boards will help like you never would have guessed.
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post #24 of 30 (permalink) Old 09-13-2018, 12:53 PM
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Sometimes you just have to re-purpose the early designs...
https://3.bp.blogspot.com/-ACoiP8I1w...00/OACGBox.gif
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post #25 of 30 (permalink) Old 09-13-2018, 01:26 PM Thread Starter
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Sometimes you just have to re-purpose the early designs...
https://3.bp.blogspot.com/-ACoiP8I1w...00/OACGBox.gif
LMAO, Fat cat.
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post #26 of 30 (permalink) Old 09-17-2018, 07:45 PM
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LMAO, Fat cat.
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No end to the cat thing...
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post #27 of 30 (permalink) Old 09-08-2019, 09:16 AM
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I think you are right. The mini ones seem to hold fine, it is the large ones like the Irwins that don't hold good, and pinch your hands, good eye.
Herb
Glad to see I'm not the only one who has trouble with Irwin! I have a couple of their clamps that I can't get to hold a dang thing! I have better luck with my HF ones, too (some of them, anyway.)
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post #28 of 30 (permalink) Old 09-08-2019, 09:50 AM
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I discovered Bessy had 4 packs of small and medium clamps a few years ago and have gradually replaced all my plastic clamps with them. Still have quite a few HF clamps, but I find my projects are less likely to be torqed out of square using the Bessy's, which have far heavier bars than the HF models of similar size. I've found the packs ranging from $20-$30, often on sale near Christmas. I have a crazy number of clamps, but the super stars are 4 sets of two Jet parallel clamps ranging from 24 to 60 inches--these make case work easier. Again, I was making far more money in those days. I have to tip toe past the clamp section now, keeping a death grip on my wallet.
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post #29 of 30 (permalink) Old 09-08-2019, 12:03 PM Thread Starter
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An update on my downdraft box.
I have been using it a lot for small p[projects and it works great. I have noticed a real change for the better in the amount of fine sawdust on things in the shop. I use it with a small rubber pad under the work,some of that non slip drawerliner. That decreases the noise and also keeps the wood from walking around the table top. I have found that the large holes work very well, and the removable side boards do help with concentrating the airflow on the top of the box.

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post #30 of 30 (permalink) Old 09-08-2019, 12:26 PM
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Quote:
and the removable side boards do help with concentrating the airflow on the top of the box.
????

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