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  • darryl's Avatar
    Yesterday, 02:24 AM
    darryl started a thread galvanic reactions in General
    Most of us would know that putting differing metals in contact and adding an electrolyte of some kind will cause corrosion. Could be moisture in the...
    5 replies | 384 view(s)
  • darryl's Avatar
    07-23-2017, 06:01 PM
    darryl replied to a thread OT flexible neon EL wire in General
    Twist them together for different colors- or wind them side by side on a mandrel for a barber pole effect. It will be fun playing with it.
    10 replies | 477 view(s)
  • darryl's Avatar
    07-23-2017, 03:30 AM
    darryl replied to a thread OT flexible neon EL wire in General
    Well, that's encouraging. I've just ordered some stuff from Bang- if I'm happy my next order will have some of this on it.
    10 replies | 477 view(s)
  • darryl's Avatar
    07-22-2017, 07:38 PM
    darryl replied to a thread OT flexible neon EL wire in General
    'keep far from tinder, causticity goods' I love reading chinglish. I see it does have a return conductor, the wraps of wire around the outside of...
    10 replies | 477 view(s)
  • darryl's Avatar
    07-22-2017, 05:17 PM
    Looking at this on Banggood. Anybody ever used it? Apparently it's a wire coated with a phosphor, placed inside vinyl tubing, and excited with a...
    10 replies | 477 view(s)
  • darryl's Avatar
    07-13-2017, 12:09 AM
    darryl replied to a thread 3 Phase motor overspeed ? in General
    As I see it- heat in the motor comes from three places, the bearings, the eddy current losses in the steel, and the resistance losses in both the...
    30 replies | 1906 view(s)
  • darryl's Avatar
    07-11-2017, 02:12 AM
    You'll be soldering them together I'm assuming, so why do it that way- instead you could make two flat donuts, then knock the edges down just a...
    31 replies | 2178 view(s)
  • darryl's Avatar
    07-11-2017, 01:58 AM
    Ok, I think what I'm looking at is a CD dressed with a mini hair net, with a piece of brass laying on it that's been stamped with the rough sawn end...
    20 replies | 1619 view(s)
  • darryl's Avatar
    07-10-2017, 10:20 PM
    I'm with Toolguy on this- I don't think the tailstock would be a problem, but I'd definitely build a better mount for the compound. Many lathes have...
    28 replies | 1835 view(s)
  • darryl's Avatar
    07-10-2017, 09:45 PM
    darryl replied to a thread Epoxy floor? in General
    I don't know what was on my basement floor, but it doesn't look like epoxy- probably floor paint. It has lasted well over 20+ years, but worn down in...
    51 replies | 2854 view(s)
  • darryl's Avatar
    07-06-2017, 12:01 AM
    darryl replied to a thread OT electric question in General
    Atmospheric noise can do that, like lightning and auroric activity. You could try using a power bar that has power line filtering- might make a...
    8 replies | 557 view(s)
  • darryl's Avatar
    07-02-2017, 03:12 PM
    darryl replied to a thread conductive paint in General
    Exploring other ideas- why do I need a pot at all? What I need to do is control a current from about zero to about 30 ua by moving a lever or rolling...
    34 replies | 1869 view(s)
  • darryl's Avatar
    07-01-2017, 04:15 PM
    darryl replied to a thread conductive paint in General
    What would be good is a surface-mountable wafer. I could arrange to have a slider move across it, and my actuator mechanism could be as tough as I...
    34 replies | 1869 view(s)
  • darryl's Avatar
    07-01-2017, 02:51 PM
    darryl replied to a thread conductive paint in General
    Just to clarify- this is for a variable resistor, not a fixed resistance. I know I can buy fixed resistors- even ones too small to see like surface...
    34 replies | 1869 view(s)
  • darryl's Avatar
    07-01-2017, 12:21 PM
    darryl started a thread conductive paint in General
    This is a two part question- first is there a conductive paint which I can apply and use as a resistor track? Secondly is there a way I can apply a...
    34 replies | 1869 view(s)
  • darryl's Avatar
    06-27-2017, 02:30 AM
    darryl replied to a thread Possible Fire hazard in General
    One day years ago I built a lens from two plexiglass domes. Sealed them together and filled with water, had fun de-bubbling the thing, but it did...
    6 replies | 618 view(s)
  • darryl's Avatar
    06-26-2017, 12:36 AM
    That's a 20 times increase in capacitance. No wonder the breaker is blowing. I'm giving top marks to the bridge rectifier for withstanding this. ...
    27 replies | 1721 view(s)
  • darryl's Avatar
    06-21-2017, 01:17 AM
    darryl replied to a thread Got a new tool for me! in General
    The proof will be in the pudding- will it cut cleanly- . I'm leery of the claims of 18 ga and 40 inch. Chances are it will not do both at the same...
    12 replies | 1463 view(s)
  • darryl's Avatar
    06-21-2017, 01:10 AM
    There are a few ways sensors can be used- if it's in series with the gauge, then the gauge would drop to zero if the wire is pulled. An NTC sensor...
    31 replies | 2574 view(s)
  • darryl's Avatar
    06-21-2017, 12:20 AM
    I realize that the type of resist is somewhat critical. I wondered whether high heat paint would work well enough- seems like it might, to me anyway....
    51 replies | 2726 view(s)
  • darryl's Avatar
    06-20-2017, 04:10 AM
    Bellingahmsters way seems about the best to me, short of having a cnc milling machine with a rotating vibrating diamond pointed milling cutter to...
    51 replies | 2726 view(s)
  • darryl's Avatar
    06-19-2017, 09:55 PM
    Many portable fridges use ammonia. There does seem to be a danger to that especially because with the constant motion and vibration, you'd think the...
    19 replies | 2091 view(s)
  • darryl's Avatar
    06-18-2017, 04:26 PM
    darryl replied to a thread Sheet metal roller(?) in General
    .075- that must have taken some force to make those bends by hand. The typical 3 in 1 sheet metal machine won't have the guts to make the 90 degree...
    33 replies | 2131 view(s)
  • darryl's Avatar
    06-18-2017, 02:24 PM
    darryl replied to a thread Hss 18% in General
    Thanks everyone for the links- there's some good reading in there. I learn something every day- Just a few minutes ago I cut off a section of one...
    5 replies | 661 view(s)
  • darryl's Avatar
    06-18-2017, 04:45 AM
    darryl replied to a thread Hss 18% in General
    I'm getting the impression that it would be good for turning pvc and brass, maybe aluminum- and just less so for steel. Holding a sharper edge longer...
    5 replies | 661 view(s)
  • darryl's Avatar
    06-17-2017, 08:04 PM
    darryl started a thread Hss 18% in General
    Got a couple planer blades today for near zero. On the side of them it says HSS 18%. I wonder what that really means? From what I've read the 18%...
    5 replies | 661 view(s)
  • darryl's Avatar
    06-14-2017, 02:36 AM
    Let me know if I'm just being an idiot here- but I'm trying to grasp the concept of what actually happens when matter increases in temperature. There...
    18 replies | 1249 view(s)
  • darryl's Avatar
    06-14-2017, 02:15 AM
    Try going from dark ale to pale ale or amber ale. Let us know if mass still increases with time :)
    36 replies | 1998 view(s)
  • darryl's Avatar
    06-12-2017, 01:42 AM
    If the ratings are realistic, then the slower motor will have more torque to reach the same power level. If that lets you use a larger pulley on the...
    13 replies | 868 view(s)
  • darryl's Avatar
    06-12-2017, 12:55 AM
    According to the one link that CalM posted, aluminum has twice the capacity to absorb heat as does steel, with silicon about in the middle between...
    18 replies | 1249 view(s)
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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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