Be an Aeronautical Scientist: Make your Own Jet Engine for a few Pennies.
Making it (the lucky way)
OK, admission time – I got lucky with this Instructable.
Jam Jar Jets are by no means my idea, and I knew very little about them:
Knock a hole in the lid of a jar, splash some meths in the jar, give it a shake and light the meths.
So that’s what I did, and it worked first time.
After running for a short time, with a noise like an angry moped, the temperature got too high for the jar and it gave way.
That was expected.
Then I tried to repeat the thing…
What goes wrong…
"Daddy, show us how you made the jet engine!"
"Not a pro…
More: continued here