Jörg & Cheyenne are challenged to build an Axe Flinging Machine. Cheyenne is on axe making duty whilst Jörg works out the necessary calculations required, this is no mean feat! Can it beat one of the UK's top axe throwers in a head-to-head contest?
Backyard Ballistics is a scientific construction series where Jörg Sprave and Cheyenne Ruether take on ambitious fan set challenges with surprising results, gnarly carnage and spectacular finales!
