Squareness Testing and Calibration

Amazing how fast time goes by.  I've accomplished a lot since my last posts...........   Just need to get around to adding the information here.

The Japanese Metalworking Kickstarter project  was successful.  I am confident Ford's series of books will be excellent.

Finished a video on testing squareness.  Please ask questions as I am sure you will have some.  I have spent a lot of time in front of people presenting proposals, defending projects etc. but doing it in front of a camera is (to me) a lot different than speaking in front of a crowd.  Questions and comments will help me refine my 'on camera' abilities.

Help with another Kickstarter project.

Check out this Kickstarter project.  I've seen this gentleman's Youtube videos, he does amazing work.  I really want to get my hands on this series of books.  There are a few weeks to go and he is over half way on funding.

Japanese Metalworking

Measuring Millionths: A Metrology Menagerie

Got thinking about all the ways I have of measuring stuff.  Put together an array of the metrology items I have for a group picture.

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I had a particularly good find recently.  This is a Van Keuren "Light Wave" MIcrometer.  It reads directly to 'tenths' (1/10000") and has a vernier allowing measurement to 1/100000".  Thats 10 millionths of an inch!  Readings are highly repeatable because of the pressure indicator that uses a precision gauge block and optical flat.  The interference fringes are visible in the picture.  You always put the same fringe between the index marks ensuring identical gauging pressure each time.

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Kickstarter Kickoff

Starting a kickstarter project next week.  "Caged Dice"  Only prototypes at this point.  Going to offer 7/8" dice in a range of materials as well as larger Caged Dice for shift knobs and tap handles.