Make a pulse jet engine with a jam jar
Edited by David Collins, Eng, Inukshuk, Doug Collins and 1 other
Materials you will need:
- Drill and drill bit
- Rubbing Alcohol
- Jam jar
This Experiment Should Only be Performed Under the Supervision of a Professional
Drill a hole 1 cm in diameter through the lid of the jam jar
Use a ruler to measure your hole
Make sure the hole isn't too small!
It's important to note that this project should only be completed under adult supervision since we're dealing with flammable materials
Since there's a good change the glass jar could break during this experiment, I recommend making a small tray using cardboard and tinfoil.
Unscrew the cap on the jar, take the rubbing alcohol and pour some into the bottom of the jar
You should pour until you have about 1 to 2 cm (approximately the width of your thumb) of isopropyl alcohol in the bottom of the jar.
Carefully shake the jar covering the top hole, making sure you coat the inside of the jar with the rubbing alcohol
Take your lighter and carefully light the top of the jar
Between tries, you should blow some fresh air into the jar to prime the next pulse
Remember to be safe, and enjoy
Video: Make a pulse jet engine with a jam jar
Questions and Answers
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Arts & Crafts
Recent edits by: Doug Collins, Inukshuk, Eng