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  • Duffy's Avatar
    12-12-2018, 04:04 PM
    Duffy replied to a thread Glue For Neoprene Rubber in General
    It seems to me that every inner tube made for a tire has been made from neoprene since WW2. You should be able to get tube patching cement at bike...
    39 replies | 1089 view(s)
  • Duffy's Avatar
    12-12-2018, 03:52 PM
    Duffy replied to a thread A sign of the times: in General
    Sasquach, every single scrap yard in the region around Ottawa/Gatineau has been bought by American Iron and Metals, (AIM,) out of Montreal. As a...
    14 replies | 1189 view(s)
  • Duffy's Avatar
    12-12-2018, 03:46 PM
    Try Harbor Freight or similar. Princess Auto up here had a ring light with separate switch and wall wart for about $30.00. I adapted it to my...
    7 replies | 247 view(s)
  • Duffy's Avatar
    12-10-2018, 09:43 PM
    One suggestion for drawer construction is the extruded side frames sold by Lee Valley. They come in three widths I think, but a table saw will...
    104 replies | 4327 view(s)
  • Duffy's Avatar
    12-08-2018, 09:22 PM
    A couple of points:- I built MY interpretation of a Gerstner, with pretty much all of the traditional design. Two changes were external latches from...
    104 replies | 4327 view(s)
  • Duffy's Avatar
    11-29-2018, 01:43 PM
    The set screw locks into a recess in the clapper. It does not rely soley on friction with the clapper wall.
    16 replies | 904 view(s)
  • Duffy's Avatar
    11-28-2018, 11:47 PM
    Now this MAY be considered HERESY! Have you considered making machine screws, with the correct head profile, but with a suitable coarse V thread....
    19 replies | 722 view(s)
  • Duffy's Avatar
    11-28-2018, 08:42 PM
    Brian, I agree with BCRider. Your mandrel speed will be about 5000 rpm, (just like a skilsaw.) This means your abrasive speed will be over 9000 fpm,...
    27 replies | 1078 view(s)
  • Duffy's Avatar
    11-28-2018, 07:15 PM
    You want the clapper locked up when you are cutting an internal keyway on the RETURE stroke. It apparently gives better results.
    16 replies | 904 view(s)
  • Duffy's Avatar
    11-07-2018, 01:04 PM
    My grandson purchased the above-named mask, and before anyone asks, NOT from the roadrunner:D! it looks like a WW2 gas mask, but with welding lenses....
    1 replies | 287 view(s)
  • Duffy's Avatar
    10-24-2018, 07:20 PM
    Duffy replied to a thread Seeking bevel gear help in General
    Brian I have a set of 18/36 gears. The larger is about 1.02" and 0.25" bore and the smaller is about 0.54" and 3/16" bore. These are steel, but...
    7 replies | 531 view(s)
  • Duffy's Avatar
    10-19-2018, 07:11 PM
    Leave it alone. As my daughter pointed out, who will steal and/or strip a car that looks like that?
    13 replies | 1263 view(s)
  • Duffy's Avatar
    10-17-2018, 12:45 PM
    Duffy replied to a thread metric threading gears in General
    Boston Gear should have them, but be prepared for a bit of sticker shock. After all, virtually ALL American lathes used standard gear designs,...
    44 replies | 2532 view(s)
  • Duffy's Avatar
    10-01-2018, 01:46 PM
    Can someone explain how to determine the correct screw size for a given carbide insert? As an example, Banggood lists RPMT 3 MOE VP 15 TF inserts....
    3 replies | 339 view(s)
  • Duffy's Avatar
    09-15-2018, 07:46 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 | 8520 view(s)
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Duffy, Gatineau, Quebec


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