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    Derek, there's an analysis of the two miter bar...

    Derek, there's an analysis of the two miter bar configuration which all of the two-bar enthusiasts seem to miss.The two halves of a sled are usually tied together via the front and back fences to...
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    Derek, there's an analysis of the two miter bar...

    Derek, there's an analysis of the two miter bar configuration which all of the two-bar enthusiasts seem to miss.The two halves of a sled are usually tied together via the front and back fences to...
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    Derek, are you aware that in your two WP...

    Derek, are you aware that in your two WP configuration only one of the two non-spring edges rides along its nearby miter slot edge?
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    Not so. Bars which have an adjustable width which...

    Not so. Bars which have an adjustable width which is rigid are an entirely different animal than a spring controlled width. With either style using two bars on a one piece sled is not the best plan...
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    Wrong, Derek. As the humidity changes, the...

    Wrong, Derek. As the humidity changes, the plywood dimension changes, and thus the DISTANCE BETWEEN two miter bars changes. Think long and hard about what that means about the fit. And then remove...
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    Derek, can you explain to us "one miter bar"...

    Derek, can you explain to us "one miter bar" enthusiasts how it makes any sense to install two adjustable bars in a sled?
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    It is important to laminate both sides to prevent...

    It is important to laminate both sides to prevent curvature, since the mdf and laminate have different expansions with variation in humidity and temperature.The second laminate layer counteracts the...
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    That's not a dado specific insert, rather a...

    That's not a dado specific insert, rather a general purpose plate with replaceable inserts.
  9. It only makes sense to have one (and only one)...

    It only makes sense to have one (and only one) right edge and one (and only one) left edge contact to guide the sled. If the runner width is precise, save one runner for another project.
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    The OD also limits the minimum template curvature...

    The OD also limits the minimum template curvature that can be followed.
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    Another possibility is to import the picture to...

    Another possibility is to import the picture to the INKSCAPE program (free). Learn how to draw with bezier curves and trace the leg outline. Save the tracing file in SVG format. This can be printed...
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    Looks like a job for french curves.

    Looks like a job for french curves.
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    Yes Keegan, but what you are missing is the fact...

    Yes Keegan, but what you are missing is the fact that the DISTANCE between the runners WILL change due to humidity changes, and that just as well modifies the fit.
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    James, I cant believe this. I took these pictures...

    James, I cant believe this. I took these pictures a few days ago intending to post a whatsit!505657505658
  15. Consider a box a few inches high with the sander...

    Consider a box a few inches high with the sander hanging upside-down under the bench. The box is attached to full extension slides via a pivot pin on each side which allows it to rotate 180 degrees...
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    You might get an idea from looking at my DIY box...

    You might get an idea from looking at my DIY box joint/dovetail jig that operates just like the LS positioner. In particular, the clamping mechanism makes it easy to clamp the board(s) without...
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    Another whatsit thread

    This tool was found in a collection of woodworking gizmos. I have no clue what it might be used for. Shown is one of three identical faces. The cross section is an equilateral triangle and the edges...
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    Glenn, the two runner approach does not help with...

    Glenn, the two runner approach does not help with heavy lumber. When one runner is under load, the other is unloaded, not sharing the load. Also, it is not possible to make a two runner sled with as...
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    Not so, Roger If the center to center distance...

    Not so, Roger
    If the center to center distance of the two runners is greater than the center to center distance of the miter slots, even by a tiny amount, the outside edges of the runners do the...
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    Jay, there is a thread earlier in this forum...

    Jay, there is a thread earlier in this forum "Crosscut sled, my version". Read
    it and then buy or build a single adjustable miter bar for your sled.
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    A while back I posted "A shop made zero play...

    A while back I posted "A shop made zero play miter bar" on this forum. It got bumped to the shop made tools and machines forum. Take a look. I have since made a version which is adjustable from the...
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    No, that;s not the main reason. A two layer...

    No, that;s not the main reason. A two layer sandwich will warp when the different materials expand or contract differently, like a bi-metalic thermostat. Adding the third layer provides an equal...
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    Trex is "composite lumber", so "colored composite...

    Trex is "composite lumber", so "colored composite lumber" would be the search target.
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    And his unit is not battery powered.

    And his unit is not battery powered.
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    Ola Two items: 1. If you google pyrouterjig you...

    Ola
    Two items:
    1. If you google pyrouterjig you will find a free program for printing templates for box joints which you may find useful.
    2. I would very much appreciate it if you would comment on...
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