Homemade Rocket Fuel (R-Candy)

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+13 1. tsar911 commented 10 years ago

...sure, and when I make home-made explosive like that, all of a sudden the FBI is knocking on my door.

:P
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-10 2. Judge-Jake commented 10 years ago

uuuMMMM :|
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+6 3. marleymanbob commented 10 years ago

I Fucking Love Science!!!
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-2 4. urbaneagle commented 10 years ago

4444444444444444444444444...f**k you science
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0 5. loadrunner commented 10 years ago

KNO3 and sugar are also used for (slow) smoke bombs http://www.youtube.com/watch?v=X9cPj9SbqFQ
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+11 6. sux2bu commented 10 years ago

Gee , where was this video when I was a bored kid? Good stuff.
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-1 7. pauldmixer commented 10 years ago

I thought this was pretty lame at first because it would barely move a lego, but not too shabby for a "cook".
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0 8. sux2bu commented 10 years ago

#7 If you skip ahead to 4:45 you will see him launch a rocket approx 2000' straight up.
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+1 9. RetroGrade77 commented 10 years ago

Interesting and fun to watch. Next step would be to go from qualitative observation to quantitative analysis. Which of those fuels gives the best thrust per 100 grams of fuel? His qualitative assessment shows preference toward a faster burn time. Is a quick maximum thrust preferable to a longer burn time lower thrust? Maybe he could put his lego blocks on the scale and record the measurements as they fire? He would need a mount so the blocks don't move around and a way of recording that isn't dependent on sight due to the smoke but those are doable.