Dry Ice + Micro Turboprop Engine Experiment

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Finally i got my hands on some dry ice pellets which i purchased locally here in Greece at Dry Ice Creation (). Some of you have suggested to use mentos and coke to build up pressure in a vessel and power some of my micro engines. I tried it, but it was very messy and the reaction wasn't fast enough to keep pressure in high levels in order to power a micro air engine. So after seeing so many videos on youtube with dry ice and coke bottles i wanted to give it a try. The reaction was much more powerful, and it could keep the engine running longer and faster. Of course this is not practical at all since it's too heavy to make it fly, so what i'm thinking is to use this kind of idea in a boat where the weight of the whole thing won't be a problem. I think my micro boat would be great for a start.
Micro Turboprop:
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