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  • Duffy's Avatar
    09-15-2018, 06:46 PM
    Duffy replied to a thread Building a model Drag-Saw in General
    Brian, I believe that actual drag saw blades were a heavier gauge than regular crosscut blades and had a tooth pattern similar to a pit saw or an ice...
    115 replies | 6037 view(s)
  • Duffy's Avatar
    08-15-2018, 11:30 PM
    Duffy replied to a thread insulation/sound barrier? in General
    Here is a real "for example." My shop is located under my bedrooms. The ceiling joists are 2 X 10. I installed 3 1/2" batts over the whole ceiling....
    21 replies | 606 view(s)
  • Duffy's Avatar
    08-15-2018, 11:06 PM
    I also suggest that, if the wicks and/or reservoir "stuffing" is missing or too crudy to clean, replace it with WOOL, either coarse yarn or even old...
    13 replies | 652 view(s)
  • Duffy's Avatar
    08-14-2018, 06:05 PM
    Duffy replied to a thread Delrin and threaded inserts in General
    Why bother with inserts? Assuming the Delrin is reasonably thick, drill with the smallest drill for that tap size and drive the machine screw/bolt...
    20 replies | 1068 view(s)
  • Duffy's Avatar
    07-17-2018, 07:56 PM
    If your design already has the 1/8" holes drilled, ignore the following. Since the voltage is only about 3V, why not use small diameter shrink tube...
    15 replies | 743 view(s)
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Duffy, Gatineau, Quebec


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