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  1. 1st October 2016, 07:12 PM #1
    mase
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    Default Dusty mod - building the adapter flange

    Hi Everyone,

    First up I'd like to say thanks to all who contribute to this part of the forum, your posts have convinced me to improve my current DE setup.

    I am going to modify my 2 hp unit as per the sticky started by Bob L.

    I have worked out how I am going to complete the required work... except for the extended adapter flange that joins the blower to the filter bag housing.

    I intend to draw the 300 mm arc on cardboard for a template but I have no idea where to start/ how to do this.

    If anyone could explain this process to me I would very much appreciate it.

    Cheers,
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  3. 1st October 2016, 07:19 PM #2
    BobL
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    Take one of the bags off the bag housing and either push a piece of cardboard into the edge so that it marks the cardboard or hold it there and run a marker along the outside of the housing.
    That should give you the curvature you need.
    Then cut along the marked edge and you can use that as a template.
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  4. 1st October 2016, 07:44 PM #3
    mase
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    Hi Bob, thanks for the reply, will give it a go tomorrow.
    Cheers.
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  5. 14th October 2016, 07:03 PM #4
    mase
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    unnamed.jpg Hi folks,

    Just a heads up for anyone who is contemplating the dusty mod in the sticky.
    I don't have access to a lathe to create the bell mouth for the impeller inlet, so I bought this " bell mouth spigot" from Metalflex in Adelaide.
    Dunno if the radius is correct, but I figure it would be better than nothing.Its a perfect fit for 150 mm PVC pipe.
    Cheers,
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  6. 14th October 2016, 10:23 PM #5
    BobL
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    Good find! The radius of that port is quite a bit smaller than ideal but it will definitely be better than nothing. The difference in flow between ideal and that rounded Port will amount to only a few %
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  7. 15th October 2016, 11:13 AM #6
    mase
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    Thanks Bob, they only cost $9 each, so I plan on getting a few to improve air flow through machines as well.
    Cheers,
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