Here are some videos showing different types of Bottle Rockets going off: Vinegar and Baking Soda Bottle Rocket Launch Materials you’ll need:Bottle rocket– 1 cup white or malt vinegar– 1 cup warm water– An empty 2 litre drinks bottle– 2
In this video, I’ll teach you how to make a PVC bottle rocket launcher using PVC pipes, PVC fittings and a handful of other things you can pick up in your local hardware store.
A first attempt at creating a model of a Roman catapult. Designed to be made in school using materials found in school. The tacks could be replaced by drawing pins. Catapult dimensions: Base: (30cm long, 10cm wide)Support arm: (10cm