The Smell of Molten Projects in the Morning

Ed Nisley's Blog: Shop notes, electronics, firmware, machinery, 3D printing, laser cuttery, and curiosities. Contents: 100% human thinking, 0% AI slop.

Category: Oddities

Who’d’a thunk it?

  • Helicopter Power Line Inspection

    Helicopter Power Line Inspection

    A power transmission line (probably 115 or 138 kV) runs along the Casper Creek (f.k.a. Casperkill) and through the Vassar campus beyond our back yard, which accounted for a loud roar one morning:

    Helicopter power line inspection
    Helicopter power line inspection

    The pilot hovered above each pylon long enough for the inspector seated in the open door to do whatever needed doing:

    Helicopter power line inspection - clear view
    Helicopter power line inspection – clear view

    A casual image search suggests it’s an MD520N (N = NOTAR = “No Tail Rotor”) helicopter. Although the NOTAR back end produces much less noise than an exposed rotor, it was plenty loud enough a few hundred feet away.

    Folks who know more than I do about helicopters pointed out the tail rotor I didn’t see. Here’s a tight crop from another image with the rotor in plain view:

    Helicopter power line inspection - MD500
    Helicopter power line inspection – MD500

    Just another day at the office …

  • The Good Old Days Weren’t: Arsenical Poisons

    The Good Old Days Weren’t: Arsenical Poisons

    An entry from The New Garden Encylopedia, copyright 1936 through 1946, gives recommendations for using arsenical poisons in your garden:

    Arsenical poisons
    Arsenical poisons

    My father always said anybody who talks fondly of The Good Old Days wasn’t alive back then. He was and thought things had definitely improved since then.

    Words to live by.

  • Road Construction: Continual Damage

    Road Construction: Continual Damage

    Having watched a tour bus jounce over the poor suffering street lamp base, I can easily understand how something similarly large killed the street signs:

    Street Lamp Base - Overview
    Street Lamp Base – Overview

    The black ring in the upper left formerly positioned a barrel over the lamp base:

    Street Lamp Base - barrel ring
    Street Lamp Base – barrel ring

    Something heavy shaved down those bolts:

    Street Lamp Base - detail
    Street Lamp Base – detail

    The blue-and-white pull cord seems at risk of vanishing.

    They’re now laying asphalt and the project continues apace.

  • Leaf Engraving

    Leaf Engraving

    A discussion about engraving leaves on the LightBurn forum prompted an experiment with a seasonally appropriate motif:

    Engraved leaves
    Engraved leaves

    Those ran at 500 mm/s with 8 to 10% power, respectively the fastest speed & lowest power for my 60 W CO₂ laser.

    The mmmm material has obvious irregularities and doesn’t lie flat:

    Engraved leaf
    Engraved leaf

    A closer look:

    Engraved leaf - detail
    Engraved leaf – detail

    The line interval is an absurdly large 0.5 mm to keep the leaf from falling apart, as the laser burns almost completely through despite the low power.

    I thought about scattering a bunch of these along the driveway, but came to my senses just in time …

  • Road Construction: Collateral Damage

    Road Construction: Collateral Damage

    NYS DOT installed rows of street lamp foundations along both sides of Rt 376 as part of the intersection reconstruction that will eventually put a fourth traffic circle along Raymond Avenue. Until the intersection of Rombout House Lane with Rt 376 vanishes, this lamp base at the corner sits well within the turning radius of the heavy trucks entering & exiting the contractor’s material dump & equipment marshalling yard:

    Street Lamp Base - A
    Street Lamp Base – A

    The fluorescent paint appeared after something heavy ran over the base and bent two of the bolts that should secure the lamp post.

    A few days and a few more passes killed those bolts dead:

    Street Lamp Base - A - more destruction
    Street Lamp Base – A – more destruction

    The barrier barrel in the background sat atop the base for a few days, but obviously didn’t affect the outcome.

    A few hundred feet south, a heavy metallic mass sheared off another pair of bolts and bent the survivors:

    Street Lamp Base - B
    Street Lamp Base – B

    Someone eventually moved the sheared bolt atop the base, so perhaps the damage has been noted where that note will have some effect.

    The “bolts” are the threaded end of long rods embedded in the three or four feet of pre-cast concrete forming the lamp base. The concave concrete mass to the right in the first picture is residue from the poured concrete in the hole anchoring the base to the ground.

    A four foot deep trench along the row of lamps holds electrical conduit between them for the wiring that will eventually surface through the conduit covered by the duct tape. The white-and-blue cord hauls the pull tape from one base to the next to pull the conductors through the conduit.

    Replacing those cast-in-place bases won’t be a trivial (pronounced “inexpensive”) operation and I suspect a powerful motivation to just un-bend the wounded bolts and pretend they’re not severely weakened. I doubt a base with just two bolts will pass final inspection, but maybe the inspector won’t look inside the lamp pole covers.

    Nah, that sort of thing never happens …

  • Wheel Stress Test

    Wheel Stress Test

    Spotted while walking on Rombout House Lane out of the Vassar Preserve:

    Pothole vs wheel weight
    Pothole vs wheel weight

    Looks like somebody hit that pothole at a pretty good clip and knocked a wheel weight loose.

    Rombout House Lane is a tiny L-shaped road serving as a Preserve entrance and exit not at the intersection of Rt 376 / Raymond / Hooker, but it’s slated for oblivion when NYS DOT finishes constructing the roundabout / rotary. With plenty of heavy equipment now crushing it, a walking pace is as fast as anyone should drive (or bicycle!) there.

  • Improvised Garden Gate Latch Staple

    Improvised Garden Gate Latch Staple

    For reasons not relevant here, I ended up making a field-expedient repair to a garden gate latch:

    Improvised gate latch staple - installed
    Improvised gate latch staple – installed

    The hole in the post just to the left of the obviously improvised staple shows where the Original Staple had vanished, never to be seen again. It looks like the gate has shifted an inch or so to the right (or the post to the left), which would explain why the staple gradually worked loose.

    The improvised staple is a length of coat hanger wire bent into a square U, with the ends snipped off at an acute angle:

    Improvised gate latch staple - cut wire
    Improvised gate latch staple – cut wire

    Those points do look scary, don’t they?

    Then I gently tapped it into place, driving maybe ¾ inch of wire in the wood, flattening the loop a little more than I wanted, but not enough to make me try again.

    Not our gate, not Mary’s garden, but deer pose a threat to all veggies within, without regard to ownership.

    I have *a lot* of coat hanger wire for repairs like this …