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Latest from Doug Desrochers
12/18/2012
The basic construction is relatively simple, with a standard 1/2 inch copper pipe serving as the main support for lightweight...
12/18/2012
The HeliRocket is propelled by a standard model-rocket engine, but instead of the engine’s ejection charge deploying a parachute, it...
12/18/2012
Getting (or going over) the edge on Pinewood Derby day.
12/18/2012
Make the cub scout rocket derby a blast.
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