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  • darryl's Avatar
    12-07-2017, 10:27 PM
    darryl replied to a thread Upgrading shop lights in General
    Years ago I started my own electronics business in my basement. At the time there was virtually no lighting down there, and I installed fluorescent...
    90 replies | 3882 view(s)
  • darryl's Avatar
    12-07-2017, 09:39 PM
    darryl replied to a thread OT- physics question in General
    I could have posted my question on a physics forum, but there are some pretty smart heads here- and some physicists too- plus I know that some of you...
    41 replies | 1661 view(s)
  • darryl's Avatar
    12-07-2017, 04:05 AM
    darryl started a thread OT- physics question in General
    For some reason today I was thinking about charge, electrons, and close encounters- and I started wondering about how dense a charge could become. We...
    41 replies | 1661 view(s)
  • darryl's Avatar
    12-05-2017, 05:27 AM
    I've done 4 ten watt led chips in one housing and it does get pretty warm. I mounted these on an aluminum plate which I cut to fit within the...
    19 replies | 937 view(s)
  • darryl's Avatar
    12-04-2017, 01:03 AM
    Sure, I'm having fun, but I'm also wanting to be able to use available materials if they will fill the bill, and I wanted to know how well they will...
    16 replies | 702 view(s)
  • darryl's Avatar
    12-04-2017, 12:49 AM
    darryl replied to a thread Nibbler Table in General
    Nibbling on 1/4 inch material would require a pretty sturdy mechanism- probably not something you could hack a jigsaw or a sawzall for. I like the...
    47 replies | 1976 view(s)
  • darryl's Avatar
    12-03-2017, 05:21 AM
    Boomer, you may not believe this, but the papers I have I actually bought to use as shims. Some of them have gone to other uses though- . And I think...
    16 replies | 702 view(s)
  • darryl's Avatar
    12-02-2017, 11:43 PM
    Ok, I've experimented a bit with heat sink insulator materials. One is parchment paper, measuring 2 thou thick, one is zig zag white papers, which...
    16 replies | 702 view(s)
  • darryl's Avatar
    11-30-2017, 09:41 PM
    I can imagine that when the carbon rods get hot, that will help to heat the junction and melt the solder. The joint itself needs to melt the solder,...
    24 replies | 994 view(s)
  • darryl's Avatar
    11-29-2017, 02:44 AM
    darryl started a thread pc board pattern stamp in General
    Thought about this a few times- make a stamp that has the layout of commonly used circuits, such as 555 timer circuits and maybe amplifier input...
    9 replies | 334 view(s)
  • darryl's Avatar
    11-17-2017, 11:06 PM
    Blue transfer paper- I was thinking that baking paper might work. But no-one thinks that the toner will stay on it well enough to even make it out of...
    68 replies | 6229 view(s)
  • darryl's Avatar
    11-16-2017, 02:53 AM
    darryl replied to a thread tin in General
    I kind of passed over that use for it- I use solder almost every day. I was thinking more like uses in the sheet form, but as an alloying element...
    21 replies | 1391 view(s)
  • darryl's Avatar
    11-16-2017, 02:13 AM
    darryl started a thread tin in General
    Besides finding it next to your food inside of a can in your pantry, what do any of you do with tin? Does anybody have an actual use for tin? I...
    21 replies | 1391 view(s)
  • darryl's Avatar
    11-16-2017, 02:06 AM
    darryl replied to a thread 4x8' Shop Bench Idea in General
    If you buy those tool chests, nothing says you have to keep the castors on. Why not make a 2x4 frame base and level that up in position. Leave room...
    37 replies | 2010 view(s)
  • darryl's Avatar
    11-15-2017, 02:48 AM
    If you heat the epoxy, it will remain in a more liquid state until the heat is absorbed by the sides of the crack- which will be right away. It might...
    47 replies | 2731 view(s)
  • darryl's Avatar
    11-08-2017, 10:48 PM
    Exercise the junction where the thermocouple joins the control unit- maybe clean the thing while you have it out. Reliable low voltage (50 mv)...
    10 replies | 732 view(s)
  • darryl's Avatar
    11-07-2017, 04:21 AM
    darryl replied to a thread fresnel lens in General
    I was wondering about that. It would be interesting to place an led module inside the fixture that I use for turning the parts. I could power it...
    13 replies | 1177 view(s)
  • darryl's Avatar
    11-06-2017, 09:49 PM
    darryl replied to a thread fresnel lens in General
    To start with, I'm not exactly sure what plastic I'm using- it was something I had on hand and probably was (is) lexan. I know that plastic and glass...
    13 replies | 1177 view(s)
  • darryl's Avatar
    11-06-2017, 02:52 AM
    darryl started a thread fresnel lens in General
    I'm going to try my hand at turning a fresnel lens from acrylic. I'll probably start with 3mm material since that's what I have right now. I have a...
    13 replies | 1177 view(s)
  • darryl's Avatar
    10-30-2017, 10:18 PM
    Laminated surface plate- why not? I'd use epoxy of course, not a spray glue or any kind of brush-applied cement. I have a few pieces of granite that...
    10 replies | 1041 view(s)
  • darryl's Avatar
    10-30-2017, 10:07 PM
    darryl replied to a thread painting a heat sink in General
    Well, next time I build heat sinks I'm going to use clear aluminum :) You can get a very rough idea of how insulating a layer of paint or any...
    48 replies | 2564 view(s)
  • darryl's Avatar
    10-30-2017, 09:33 PM
    During the course of fixing and setting up our wide belt sander, we ruined a couple of belts. Most of the area was ok, so I kept that. You might call...
    10 replies | 1041 view(s)
  • darryl's Avatar
    10-28-2017, 10:15 PM
    darryl replied to a thread painting a heat sink in General
    I have a diamond vapor deposition machine on order from China, should be here in a few weeks. The online manual states that the preferred raw...
    48 replies | 2564 view(s)
  • darryl's Avatar
    10-28-2017, 02:34 PM
    darryl replied to a thread painting a heat sink in General
    Thanks for all the responses. After I posted I began thinking about where the radiated portion of the heat would go. If it's a large number of fins...
    48 replies | 2564 view(s)
  • darryl's Avatar
    10-28-2017, 02:14 AM
    darryl started a thread painting a heat sink in General
    This is a subject which has been beaten to death by overclockers and hobbyists for the most part, with seemingly little in the way of definitive...
    48 replies | 2564 view(s)
  • darryl's Avatar
    10-26-2017, 03:29 AM
    In a case like this I'd look for someone with a large enough capacity band saw. There's too much 'pucker factor' in parting off with that diameter-...
    39 replies | 2882 view(s)
  • darryl's Avatar
    10-24-2017, 04:31 AM
    You'll want to ventilate anyway. I don't know how long the doors are shut at a time when you're in there, but you should have fresh air. Maybe...
    17 replies | 1271 view(s)
  • darryl's Avatar
    10-21-2017, 07:45 PM
    darryl replied to a thread Banggood juice in General
    I can't wait to start buying perfumed rotting fat spray paint- I'm sure it's coming :(
    18 replies | 1830 view(s)
  • darryl's Avatar
    10-19-2017, 06:47 PM
    darryl replied to a thread deburing holes in General
    Nice, very nice. I can imagine that just one of those stage lights costs about as much as my whole budget for this project- and I have to divide that...
    16 replies | 1378 view(s)
  • darryl's Avatar
    10-19-2017, 03:55 AM
    darryl replied to a thread deburing holes in General
    I've never used one of those hand held ones, but I think I'll get one. In the meantime I devised another way to get the job done- using a chainsaw...
    16 replies | 1378 view(s)
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About darryl

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About darryl
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Chilliwack, B.C.

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I seldom do anything within the scope of logical reason and calculated cost/benefit, etc- I'm following my passion-

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