i dont know how well this works as its a link to a fedi post with video, we'll see

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[–] 11 points 5 days ago (2 children)

Sacrifice a smaller cheaper firework by pulling its fuse out. Twist the three fuses to that loose fuse. Then light that fuse which will make it slightly more likely that your multi rocket launch will be more synced.

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  • [–] 6 points 4 days ago (1 child)

    I still wouldn't recommend it. Commercial fireworks are not high-precision rocket motors. The time from lighting the fuse to full thrust and the full thrust itself will vary wildly from rocket to rocket, so strapping multiple rockets together will result in uncontrolled thrust vectoring no matter what you do.

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  • [–] 1 point 4 days ago

    I definitely agree, the unbalanced weight of a doll also doesn't make for a stable flight. Even if all three fuses were lit at exactly the same time they might not have been seated at the same place in the body of the rocket.

    I have just used sacrificial fuses to light multiple fireworks that aren't connected together, that I wanted to fire in sequence with only one fuse to light.

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