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  • tony_912 commented on tony_912's instructable Antique Ladder Replica2 weeks ago
    Antique Ladder Replica

    Will do after it is finished. Please check http://joyofwoodworkinghobby.com/content/ladder-build-experiment for updates

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  • tony_912 commented on tony_912's instructable Angle Measuring Gadget11 months ago
    Angle Measuring Gadget

    I have yet to come up with drawing and instructions on how to build it. But I can answer your question about calibration. The calibration is done at 90°. In the video it is shown that when 90% angle is established on table saw, the readings of the gadget would be same from both sides of the blade. After that you make sure zeroing the Dial indicator and 90% calibration is done! Basically the gadget is self calibrating and you don't need a reference to compare it with. As for other angles, you use the Table saw scale for that. After aligning the table saw to 90°, you align its scale 0°. Then you set it to 5, 15, 22.5 and 30° and take readings with the gadget. Then create a table, plug in the numbers, print and attache to the gadget and you are done. Good luck.

    I have yet to come up with drawing and instructions on how to build it. But I can answer your question about calibration. The calibration is done at 90°. In the video it is shown that when 90° angle is established on table saw, the readings of the gadget would be same from both sides of the blade. After that you make sure zeroing the Dial indicator and 90° calibration is done! Basically the gadget is self calibrating and you don't need a reference to compare it with. As for other angles, you use the Table saw scale for that. After aligning the table saw to 90°, you align its scale 0°. Then you set it to 5, 15, 22.5 and 30° and take readings with the gadget. Then create a table, plug in the numbers, print and attach to the gadget and you are done. Good luck.

    The calibration is done at 90°. In the video it is shown that when 90° angle is established on table saw, the readings of the gadget would be same from both sides of the blade. After that you make sure zeroing the Dial indicator and 90° calibration is done! Basically the gadget is self calibrating and you don't need a reference to compare it with. As for other angles, you use the Table saw scale for that. After aligning the table saw to 90°, you align its scale 0°. Then you set it to 5, 15, 22.5 and 30° and take readings with the gadget. Then create a table, plug in the numbers, print and attach to the gadget and you are done. Good luck.

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