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  • darryl's Avatar
    Today, 02:12 AM
    I think that's the best way, taking off turns. A little tedious maybe, but it adds no loss at all with nothing else required at all. You can always...
    111 replies | 10956 view(s)
  • darryl's Avatar
    Yesterday, 11:00 PM
    Maybe it's been mentioned, I don't know, but you can always use a second transformer along with the toroid as a bucker in series with the toroid...
    111 replies | 10956 view(s)
  • darryl's Avatar
    Yesterday, 04:51 PM
    darryl replied to a thread Limits of thermal expansion in General
    I've found that when heat shrinking parts together it's best to come up with a mechanism which holds the parts in alignment as you slip one onto the...
    9 replies | 312 view(s)
  • darryl's Avatar
    Yesterday, 03:45 AM
    I think you'd want every sq in of the surface you're final sanding to have the same resistance to abrasion. Then when you sand you don't see the...
    15 replies | 556 view(s)
  • darryl's Avatar
    01-18-2018, 11:05 PM
    darryl replied to a thread jto chuck in General
    I the jaws are too sloppy, then it would do no good to try re-machining the taper in the chuck. The procedure would be to turn a stub, then clamp the...
    19 replies | 1419 view(s)
  • darryl's Avatar
    01-18-2018, 01:20 AM
    Just guessing from the size of the transformer shown that it's in the 500 watt to 800 watt range. I'm guessing the usable secondary current would be...
    111 replies | 10956 view(s)
  • darryl's Avatar
    01-17-2018, 03:49 AM
    The primary can read very low ohms, but the operation of the transformer prevents a high current from flowing. It's entirely possible that a primary...
    111 replies | 10956 view(s)
  • darryl's Avatar
    01-17-2018, 03:24 AM
    Not sure if it's been mentioned, but have you checked out the regulators- if they even look browned at all, they are suspect along with their...
    54 replies | 1375 view(s)
  • darryl's Avatar
    01-17-2018, 03:05 AM
    At work we use a sanding sponge. Not sure of the grit, but 400 at least, possibly 600. It's very flexible so you can have a situation where the...
    18 replies | 964 view(s)
  • darryl's Avatar
    01-16-2018, 03:20 AM
    darryl replied to a thread Electronics forums in General
    That's a treasure there in Forrest Mims books, Willy. I have some of his, you're right, his style makes it very conducive to learning and...
    47 replies | 2804 view(s)
  • darryl's Avatar
    01-15-2018, 02:04 AM
    darryl replied to a thread What did you do today? in General
    Cut out parts for a coffin. Nobody died, but somebody might- this is for a party coming up. I'll have to brush up on the rules so I can decide if I...
    564 replies | 233719 view(s)
  • darryl's Avatar
    01-14-2018, 10:15 PM
    darryl replied to a thread jto chuck in General
    Thanks for that, Dan. I have some in my shopping cart but haven't made the purchase yet. For the very small drill bits I'd be using, I agree- it has...
    19 replies | 1419 view(s)
  • darryl's Avatar
    01-14-2018, 09:44 PM
    darryl replied to a thread Electronics forums in General
    Was just thinking about my bench top power supply, and the particular circuit I developed. Standard transformer/rectifier/filter, feeding a parallel...
    47 replies | 2804 view(s)
  • darryl's Avatar
    01-13-2018, 03:38 AM
    ' the turning of the iron bell'some machining content in there too :) Love Pink Floyd.
    43 replies | 2141 view(s)
  • darryl's Avatar
    01-11-2018, 09:57 PM
    I don't think he meant to say cubic tons- probably linear tons.
    79 replies | 5576 view(s)
  • darryl's Avatar
    01-09-2018, 12:36 AM
    There is an audio amp circuit designed by Hitachi which uses mosfet outputs but retains a soft clipping characteristic. I have one of these amps...
    21 replies | 1191 view(s)
  • darryl's Avatar
    01-08-2018, 08:51 PM
    You can listen to music on a system that is state-of-the-art, but what you'd be hearing from guitars at least is the combined effect of all the...
    21 replies | 1191 view(s)
  • darryl's Avatar
    01-06-2018, 09:36 PM
    darryl started a thread cold snap in General
    I don't know why they call it a 'snap'- if it was indeed just a snap, it would be gone just as quickly as it came- Hoping that everyone involved...
    55 replies | 2232 view(s)
  • darryl's Avatar
    01-06-2018, 09:34 PM
    That does sound familiar to me- could it be one of the tornado hunters who wrote it?
    19 replies | 1042 view(s)
  • darryl's Avatar
    01-04-2018, 01:22 AM
    darryl replied to a thread OT: Snow Comming in General
    That picture with the bus driving through- looks like the Coquihalla highway which is near where I live. Sometimes they only get 30 feet of snow.
    19 replies | 1034 view(s)
  • darryl's Avatar
    12-31-2017, 11:14 PM
    Happy New Year everyone!
    16 replies | 462 view(s)
  • darryl's Avatar
    12-31-2017, 05:52 PM
    darryl replied to a thread Alloys for Machining? in General
    Another part of this relates to what materials are you going to be able to get- you could ask for specialty alloys but you may not find a shop where...
    30 replies | 1434 view(s)
  • darryl's Avatar
    12-29-2017, 07:31 PM
    darryl replied to a thread Lathe Bit "Grabs" Work? in General
    A technique I've used to bring a slender section to size is to take two flat files and clamp them together at one end with a piece of popsicle stick...
    27 replies | 1679 view(s)
  • darryl's Avatar
    12-29-2017, 07:16 PM
    darryl replied to a thread spin casting in General
    I find the whole process fascinating. When I did my first spun-cast experiment I was struck by how optically smooth the result came out. I could put...
    2 replies | 423 view(s)
  • darryl's Avatar
    12-28-2017, 07:53 PM
    darryl started a thread spin casting in General
    I'm about to set up a spin casting operation to make a deep parabolic shape. By deep I mean about 1/2 inch diameter at the exit point (the top of the...
    2 replies | 423 view(s)
  • darryl's Avatar
    12-27-2017, 11:43 PM
    darryl replied to a thread Mini Lathe Length in General
    I always thought a live center was one on bearings. Mounted in the tail stock the center would rotate with the work. No need of bearings if it's in...
    16 replies | 770 view(s)
  • darryl's Avatar
    12-26-2017, 07:11 PM
    darryl replied to a thread 3D print a circuit board in General
    Brass plated pins- yes, have done that too. Right now I'm dealing with 1/4 and 1/8 watt resistors, plus the 'old style' 8 pin timer chips, so the...
    20 replies | 963 view(s)
  • darryl's Avatar
    12-25-2017, 03:27 AM
    darryl replied to a thread White Christmas in General
    Was just outside locking my car- three flakes fell while I was outside here in Chilliwack. Could be five or more by morning. It's actually a little...
    29 replies | 1540 view(s)
  • darryl's Avatar
    12-25-2017, 01:36 AM
    Local store has these. They look good but I wonder if they are actually any good. Apparently made in USA. I'd be using them with a cordless drill, so...
    0 replies | 154 view(s)
  • darryl's Avatar
    12-24-2017, 08:16 PM
    darryl replied to a thread 3D print a circuit board in General
    I've used many methods of producing a circuit board. One was to drill an oversize hole where more than one component lead would go. One lead would...
    20 replies | 963 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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