Mechanical Adding Machine
by Conrad2468, published
This was a one hour design challenge. After watching some really nifty youtube videos on naval targeting computers I copied a mechanical principality that involves two racks and an indicator gear.
I plan on giving these out to all of the teachers who have influenced me throughout my high school career.
Assembly is straightforward, be sure to check back for some more revisions...maybe. One still has to raster in the units on the material, but other than that. Feel free to laser your own.
Here's that nifty series if anyone is interested:
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Bottom then two guide bars, two slideracks, and the gear, then the top. Bolt it all together, and SHAZAM! You're now able to add.