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  1. #16
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    Somehow one of the pics got out of place. The last pic should be the second one and what is second is a repeat of the first and I can't figure out how to fix it after spending an hour putting it altogether in the first place.
    CHRIS

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  3. #17
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    Thanks Dave, I knocked the old bench down tonight.
    CHRIS

  4. #18
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    Apr 2012
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    Thanks Chris for sharing this. One question, the pics show the original dust chute and tube on the saw - have you left this in place or removed it? I'm guessing it plays no role in your dust collection, but would like to confirm it doesn't.

  5. #19
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    I lost the little rubber deflector a long time ago, I suspect it went into the extractor as I can't find it. The dust chute I left in place but I see no reason not to remove it if you wanted to. Something that was staring me in the face and I only realised this week is that with this hood you can't roll the saw any significant amount to so compound angle cuts like you see done on mouldings etc. That does not worry me but keep it in mind. I am surprised that neither Dave or myself did not see this during the design phase but it is so seldom done by the average person it just never occurred to either of us.
    CHRIS

  6. #20
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    I am interested to playatound with the design to compensate for compound angles.

    Oh in Griffith now ... shredded a tire on the trailer, seems a bad week for tires

    Dave TTC
    Turning Wood Into Art

  7. #21
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    Quote Originally Posted by DaveTTC View Post
    I am interested to playatound with the design to compensate for compound angles.

    Oh in Griffith now ... shredded a tire on the trailer, seems a bad week for tires

    Dave TTC
    Turning Wood Into Art
    It's got three more!
    CHRIS

  8. #22
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    Quote Originally Posted by Chris Parks View Post
    It's got three more!
    Yes on the bright side nothing seized and I could keep driving 😉

    Dave TTC
    Turning Wood Into Art

  9. #23
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    Apr 2012
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    Thornton NSW
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    Thanks again Chris. My reason for asking is pretty simple, I bought my GDL slightly used and the dust chute and tube were missing, no point replacing them if they're not needed. The bevel restriction I'd already noticed, I'll take it into consideration.

  10. #24
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    Australia
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    Quote Originally Posted by Chris Parks View Post
    Something that was staring me in the face and I only realised this week is that with this hood you can't roll the saw any significant amount to so compound angle cuts like you see done on mouldings etc. That does not worry me but keep it in mind. I am surprised that neither Dave or myself did not see this during the design phase but it is so seldom done by the average person it just never occurred to either of us.
    I was planning on copying your design and likewise, it would never have occurred to me. Now I am copying your design and trying to make it work with various compound angles. As a result, I am wishing I built the table that holds the saw a little wider!! Too late now, need to make it work. Started playing around with ideas and need to get a little creative. I have a few unforeseen obstacles in the way, including my power duct!




  11. #25
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    Given a bench deep enough it is pretty easy to do, put the saw on a sliding base and pull it out of the hood but I don't think the dust collection will be as efficient. Given enough air flow it will still be good just not excellent like it is at the moment. I can work all day and there is nil dust and debris behind the saw which is about a thousand percent better than what it was. When I say nil there is simply nothing there to clean up.

    What DE are you using Pearo?
    CHRIS

  12. #26
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    From what I can make it it just needs to be a shallower longer curve to allow compound mitres. Not sure how this would impact on overall efficiency.

    Feel stupid I didnt think of it while helping Chris

    Dave TTC
    Turning Wood Into Art

  13. #27
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    What I ended up doing was making a piece that slides out. Just about to go out so will post pics tomorrow. Initial tests seem to catch most of the larger sawdust, but it currently bounces of the back and comes back at me. Some serious vacuum should assist with that problem.

    Is there any science behind the curved backing/plenum part that I should follow? Likewise, what about the gap in the bottom? I will be attaching it to the CV1800 via a single 6" port on the top.

  14. #28
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    Pearo, see post 3 in this thread regarding sizing the gap at the bottom and the reasons. As for mine here is what I finished up with, the bottom gap is 45mm and nearly a metre long, that being the size of the sheet that forms the curved front face of the plenum. I know this goes against all the science but the design was gut instinct and nothing else and I recently saw another design that was similar so in that sense it is not original. There is no science for this stuff and what works is the best result, I have no idea how I came up with the idea except I had this vague need to surround the saw as much as possible. I'm not changing any of it as it works for me and that is good enough unless I can think of a way to allow it to roll but the times I have needed that is once recently and never before that.
    CHRIS

  15. #29
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    Chris, hope you dont mind me hanging of this thread! Let me know if you do.

    So this was my solution to the compound issue. Please dont look at the stuff up with the table saw over cut!


    And the pencil line here is basically what I was thinking about doing with the plenum part.


    BTW, not sure if you can see the images, pls let me know if you cant. Using imgur and there new resize option since google shut down picassaweb.

  16. #30
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    Please keep us up to date as I know others with the same saw will be interested as well. Your images are fine but if you want you can load them straight up to the forum if it helps.

    Is the front of the plenum curved or have you made it straight? Where are you drawing the air from?
    CHRIS

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