How to Make a Cheap and Simple Vacuum Chamber

Introduction: How to Make a Cheap and Simple Vacuum Chamber

This is a tutorial to make a cheap and simple Vacuum chamber from a mason jar. This can be used to stabilize wood.

Step 1: What You Need

You will need:
A canning jar with a steel lid,
A soldering iron,
Some solder,
A few centimeters of Brass pipe,
A Drill,
A drill bit of the same size of the brass pipe

Step 2: Let's Begin

Drill a hole through the lid and sand some of the paint around the hole away for soldering

Step 3: Solder the Brass Pipe Into the Hole

Solder the Brass pipe into the hole using some solder and the soldering iron at about 35°C (662°F)

Step 4: Finished

Now just screw the lid on and hook it up to your vacuum pump (I use a modified bike pump which reaches up to 20mbar of absolute vacuum pressure)

If you want please consider voting this project on the contest I am participating in

Step 5: Safety

I don't take any responsibility for damages or injuries for example if the jar implodes. if you are using anything bigger than 500ml as a vacuum chamber, please make sure that the first time(s) you try it, you put it in a container or use safety gear in case it implodes to me minimize the risk of injuries.

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    6 Comments

    0
    Barkfin
    Barkfin

    Question 7 months ago

    How did you modify the bicycle pump?

    0
    javierschulenburg
    javierschulenburg

    Answer 7 months ago

    I cut off the internal valve in the piston, flipped it, drilled a hole
    in the middle and screwed it back on. Then I simply added a fast one way valve (Dunlop bike valve) at the inner end of the main tube as to reduce the dead volume as far as possible to enable pressures as low as 15 hPa (0.22psi)

    0
    javierschulenburg
    javierschulenburg

    Reply 7 months ago

    You're welcome! That's basically how I did it, in fact that may have actually been the instructions I followed.

    0
    Swansong
    Swansong

    5 years ago

    Thanks for sharing :)