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  • darryl's Avatar
    Today, 12:49 AM
    darryl replied to a thread home made etchant in General
    There has been more than one occasion where I avoided bringing any muriatic acid home. Just seem to feel a little queasy about it. I like the...
    14 replies | 877 view(s)
  • darryl's Avatar
    Yesterday, 11:31 PM
    darryl replied to a thread Allen Wrenches in General
    Yup, had the pleasure of turning a normal rotation drill bit into a lefty- dollar store variety. Got a good laugh out of that. They might as well...
    16 replies | 657 view(s)
  • darryl's Avatar
    Yesterday, 10:50 PM
    darryl replied to a thread Allen Wrenches in General
    Bondhus was a good brand as I recall. I would suspect that anything subject to high point contact loads, like an allen wrench, would suffer from...
    16 replies | 657 view(s)
  • darryl's Avatar
    08-23-2016, 11:45 PM
    darryl replied to a thread Hydraulics question. in General
    I would imagine that the cylinder would be on the short and fat side, partially because the stroke would be short in the pallet jack situation. It...
    18 replies | 856 view(s)
  • darryl's Avatar
    08-23-2016, 09:50 PM
    darryl replied to a thread home made etchant in General
    Just a preference, but I like to do my own boards at home. Usually they are one-offs or quite simple anyway, so it's much quicker to just do it and...
    14 replies | 877 view(s)
  • darryl's Avatar
    08-22-2016, 10:42 PM
    I built a disc sander using a saw blade for the disc. Worked fine, but I've come to not like the disc- the drum is much nicer to use. Also I switched...
    21 replies | 1001 view(s)
  • darryl's Avatar
    08-22-2016, 10:28 PM
    darryl replied to a thread home made etchant in General
    I'm thinking it will work with brass. They talk about making the etchant in two steps- one is the mixing of peroxide with acid and initially etching...
    14 replies | 877 view(s)
  • darryl's Avatar
    08-22-2016, 06:54 PM
    darryl started a thread home made etchant in General
    Was just reading about making your own etchant for pc boards. Peroxide and muriatic acid, 2 to 1. Apparently safer than ferric chloride and works...
    14 replies | 877 view(s)
  • darryl's Avatar
    08-21-2016, 12:22 AM
    darryl replied to a thread Picking the "right" thread in General
    Was it a baby food jar- perhaps that's where I used to see multi-start threads, pretty coarse also. I think you could have that lid on or off in 1/4...
    36 replies | 1683 view(s)
  • darryl's Avatar
    08-20-2016, 11:54 PM
    darryl replied to a thread buy on impulse? in General
    Yeah, I like them. Good and solid, not sloppy. There's a good amount of cast iron in these, unlike pared-to-the-bones newer ones. I sure don't...
    9 replies | 532 view(s)
  • darryl's Avatar
    08-20-2016, 08:35 PM
    darryl replied to a thread buy on impulse? in General
    Rockwell Beaver it is. I got it home and out of the van, and checked it over. Basically it's now in pieces for temporary storage and awaiting new...
    9 replies | 532 view(s)
  • darryl's Avatar
    08-20-2016, 05:42 PM
    darryl started a thread buy on impulse? in General
    Poking around thrift shops today, came across an old Rockwell table saw, 8 inch. Everything is there, motor runs, spindle bearings tight and smooth-...
    9 replies | 532 view(s)
  • darryl's Avatar
    08-20-2016, 03:51 PM
    I'm nearing the point where I'll have to strip the ends of 15 conductor cable, 24 and 28 ga. I'm going to make up a special stripper starting with a...
    27 replies | 1355 view(s)
  • darryl's Avatar
    08-20-2016, 03:35 PM
    Way back when, some machinist got tired of having to reset the vise when it had been removed. So he put a paper between the vise and the table- with...
    82 replies | 3412 view(s)
  • darryl's Avatar
    08-20-2016, 01:50 AM
    darryl replied to a thread Copper tube work hardening in General
    No they are not immortal, but they likely are serviceable even when looking beat up. It is (or was) a pretty solid thing- heavy duty connector and...
    23 replies | 1171 view(s)
  • darryl's Avatar
    08-20-2016, 01:42 AM
    darryl replied to a thread Picking the "right" thread in General
    I think a coarser pitch is the answer too- maybe a triple start, 3 tpi. I'm sure there's a minimum diameter for this combo that leaves enough...
    36 replies | 1683 view(s)
  • darryl's Avatar
    08-20-2016, 12:39 AM
    Interesting. A hobbiest would surely like to have at his disposal a cutting machine that could take care of pretty much any material he'd be likely...
    23 replies | 1413 view(s)
  • darryl's Avatar
    08-20-2016, 12:22 AM
    darryl replied to a thread Copper tube work hardening in General
    Well there you go, the best answer and the irony of it all- a product rated for gas but less reliable than copper pipe, which isn't considered good...
    23 replies | 1171 view(s)
  • darryl's Avatar
    08-19-2016, 08:28 PM
    darryl replied to a thread Copper tube work hardening in General
    I think of that almost every time I turn a water tap on and off. Each cycle flexes the copper to some extent, and sooner or later there will be a...
    23 replies | 1171 view(s)
  • darryl's Avatar
    08-18-2016, 12:57 AM
    darryl replied to a thread 3D printing a circuit board in General
    High spindle speed and a diamond cutter should do the job. I can attest to the fact that depth of cut is irregular because of the flatness...
    44 replies | 1756 view(s)
  • darryl's Avatar
    08-18-2016, 12:12 AM
    If there is need to put something between the vise and the table, consider plastic laminate. They make what's called backer lam, which doesn't have...
    82 replies | 3412 view(s)
  • darryl's Avatar
    08-17-2016, 11:53 PM
    darryl started a thread steel strapping in General
    Prepared a skid of materials today and had a look at the banding. Pretty rough looking stuff, doesn't spring well and will bend or kink erratically....
    14 replies | 1191 view(s)
  • darryl's Avatar
    08-17-2016, 10:31 PM
    darryl replied to a thread OT saving rattle cans in General
    Even a full can has only half or maybe a bit more paint in it- the rest is propellant. Let it sit for a few minutes, then drill a 1/16 hole near the...
    35 replies | 2627 view(s)
  • darryl's Avatar
    08-14-2016, 02:54 AM
    When there was potential here for my basement to flood some years back, I installed a sort of winch shaft between two rafters- drilling the holes...
    49 replies | 2571 view(s)
  • darryl's Avatar
    08-14-2016, 02:16 AM
    Perhaps the choice of materials is incorrect. If an appropriate amount of lube can be maintained in the working area of the threads, then differing...
    26 replies | 1345 view(s)
  • darryl's Avatar
    08-13-2016, 09:08 PM
    darryl replied to a thread Dissimilar metals question. in General
    I'm guessing that the shaft is to be restrained in the aluminum. What is the shaft diameter?
    15 replies | 612 view(s)
  • darryl's Avatar
    08-13-2016, 09:03 PM
    White is common- connect to white or neutral, red is fast, green is slow- connect to black.
    4 replies | 254 view(s)
  • darryl's Avatar
    08-13-2016, 04:51 PM
    I used to do repair jobs on plastic gears that would split, presumably because of the pressure from press-fitting. Because there was a hub on the...
    6 replies | 431 view(s)
  • darryl's Avatar
    08-13-2016, 01:52 AM
    Delrin will probably work quite well for that part.
    6 replies | 431 view(s)
  • darryl's Avatar
    08-11-2016, 08:52 PM
    darryl replied to a thread 3D printing a circuit board in General
    Interesting discussion. I agree that the waste of copper either by etching or milling is completely insignificant, and I wasn't worried about that...
    44 replies | 1756 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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