Monthly Archives: November 2018

Another simple rock tumbler build

Been toying with making one of these myself.  Mostly to remove rust on objects without me needing to sand them.  Only downside I see to tumblers is the medium you need to buy to put in it.

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Make your own vacuum cleaner

I had to laugh at this one.  Pretty simple build and concept.  Not so sure how practical it is but could be a good experiment to do with kids.

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Interesting solar heater

The author took the cooling grids off old fridges and combined a bunch together to heat up water.  That “heated” water then has a coil inside a water tank to transfer the heat too.  Which is a good idea since … Continue reading

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Pretty impressive build, wind powered pump to scuba dive with

Not so sure I would be brave enough to trust this thing.  But a clever build overall Breathing Underwater Using Wind Power

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Interesting concrete build

The author did a nice write up on using concrete overall for making decorations.  He 3D printed the “Frame” to use to hold the concrete in its form.  It looks like the mold is re-usable too.

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Make a folding crossbow

Nice build, not so sure I would do it myself since there is a lot of work involved.

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One fancy slingshot build

Pretty impressive one.  The author provides templates so you can cut one out yourself.  Or….maybe convert to cut on a CNC?

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This must be what happens when the internet is down

Pretty funny build.  Me…I wonder if there is a way to build this so you don’t have to re-wind it. A Cow-Powered Human Centrifuge

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Another nice (and simple) router sled

Seems like a nice build.

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Flattening a soda can

OK I can relate to this one.  I have used the metal from a can before to make projects, and I have put it under some heavy books for a bit to “flatten” them out.  This looks like a better … Continue reading

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