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PyroPractic firework

fireworks

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#61 PyroPractic

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Posted 03 February 2020 - 09:45 AM

The first whistling rocket is 18mm.
Rocket plastic case made of polyethylene with ring shoulder and rolling up.
Case length 105mm. Hairpin length 70mm.
Fuel 70/30 Potassium perchlorate/Sodium Benzoate



#62 NeilB

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Posted 26 February 2020 - 09:42 PM

Love watching your YouTube mate, keep up the good work :-)





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