The launch

The rockets the kids would build ended up being too small to carry my device into the air, so I spend some time to build my own quick-and-dirty model from some leftover cartboard:

The acceleration logger would be stuffed into the nose-cone, but that didn't have a parachute, so it'd come down without anything to lower the speed of inpact.

Finally, after all the kids' rockets had been launced, the one I made was ignited:

And after some frantic searching by some of the kids, the nosecone was retrieved fully intact!

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