Water gets pushed down, bottle flies up ... Or you could go multi-stage, or vector-thrust, or… In short, water rockets are one of those “simple” projects. You can get one basically working ...

The problem with a lot of these water bottle rocket projects is that they leak where the bottle meets the launcher. In most cases this is a good thing as it’s almost impossible to build up ...

The bottle rocket challenge ... the right combination of vinegar and bicarbonate of soda to give your rocket the thrust it requires. Male dressed in all blackOnce that goes, that's not coming ...