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.

The New Hotness

  • Bird Encounter

    At this instant, neither of us realized the other was present:

    Starling-0145
    Starling-0145

    Despite what it looks like, the blackbird (maybe a starling) passed just beyond arm’s reach directly ahead of the bike at eye level:

    Starling-0167
    Starling-0167

    And away!

    Starling-0173
    Starling-0173

    At 60 frames per second, that’s 466 ms of elapsed time.

    Stepping through the video, frame by frame, the bird’s wings flap at a consistent three frames per stroke = 50 ms/stroke = 20 stroke/s = 1200 stroke/min. A bit of rummaging produces a study suggesting a starling’s normal rate is 10 stroke/s, so the critter had the throttles firewalled at war emergency power.

    It makes my pedal pushing seem downright inconsequential…