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Originally Posted by sanddrag
But here's the question now. Even if we could get a dewer of LN2 and a solenoid valve and some line and some fittings, would it be practicle and safe to mount it 15-20 feet above the ground in the moving head of a dragon. Or would we mount it closer to ground level and run a flexible line all the way up? ($$) Also, would it freeze all the flowers if it blew back on them? (yes this is for the tournament of roses)
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It sounds like a blast of CO2 will have the effect you want. You might be able to replace the existing hose on a fire extinguisher with a longer one and have someone squeeze the trigger/handle manually.
Of course, dragons are supposed to belch fire, not snow.
