Archive for November, 2009

Questioning the Salvage Balance

Sunday, November 22nd, 2009
Balance Fulcrum

Balance Fulcrum

I salvaged a balance that was being discarded down the hall at work.  It still works fine; a balance should work forever, absent gross physical trauma.

I am slightly concerned about the crud that is dusted over the whole thing.  The material looks like dust and corrosion of the underlying metal, but I do wonder what ate the label atop the fulcrum.

3D Laser Scan Attempt 1

Thursday, November 5th, 2009
Attempt the first

Attempt the first

The first attempt at 3d laser scanning.  Verdict: needs work.  And a better laser.  (It always seems to come back to firepower.)  Using a fixed-prism wall laser didn’t work well because one edge of the laser is much brighter, given that it is designed to fire down the length of the wall.  What I need is an laser chalkline, which are a bit more expensive, though not prohibitively so.  And yes, I am happy to live in a time when I can blithely go to the hardware store, and ask for “An adjustable prism laser and a pound of your finest nails, shopkeeper”.

In addition, I probably shouldn’t have tried to laser scan a reflective object.   Some days I am surprised I can see my fingers to count to ten.

* It has been pointed out by a friend of mine that this is in fact my second attempt at this, as he helped me with the first, earlier in the day.  Perhaps I should retitle the article “semi-successful attempt 1”.