Comments by "" (@TheMechanicalKoopa) on "See Through Model Rocket Engine Burning in 4K Slow Motion - Rockets (S1 • E1)" video.

  1. If you ever wanna know a secret about these little model rocket engines I have a great Idea you can try to capture something truly amazing with a slow motion camera! but can't tell you here it would ruin the surprise!
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  2. done!
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