Today we made a flying model of the battle bus from fortnite! It ended up being more of a blimp rather than a hot air balloon but propane regulators at that size would be hard to find, nevermind...
The first step is gathering the matirials 1x 80cm andd 18mm by 18mm wide strong andd stiff wooden stick then you need a 5cm wide 35cm long multiplex board cut in 3 ddifferent lengths 2 times 5 by...