[Nfb-science] tactile measurement tools

[Mark J. Cadigan]

You could conceivably make your own rotomatic if you have access to a shop. 
This is from memory, so may be faulty, and I am no machinist, but hear goes. 
The rotomatic consists of a 6in long peace of 16thred threaded rod. All the 
threads are flattened on the bottom, left alone on the top, and only 1 every 
8 is left on the sides. The slide was a square with a drilled and tapped 
hole in the middle this square had a notch cut in one face. The rotomatic 
also had some sort of locking nut. You would spin the square until you 
reached the proper length and then locked it in place.



----- Original Message ----- 
From: "aerospace1028--- via Nfb-science" <nfb-science at nfbnet.org>
To: <nfb-science at nfbnet.org>
Sent: Thursday, December 04, 2014 4:20 PM
Subject: [Nfb-science] tactile measurement tools


> Thank you Robert,
> too bad they don't make the rotomatic any more.  If anyone knows of one 
> still functioning, but not in use, I might be willing to purchase/barter.
>
> The information on the USB calipers was good too.  I'm looking to get into 
> a manufacturing certification program.  If they clear me for opperating 
> the machines, those calipers would come in handy for inspecting 
> conformance to specs.
>
> cheers,
> --Paul
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