Combine them with a bit of old packing material and you can get a little RC trainer up and running for peanuts, as [Samm Sheperd] demonstrates. [Samm] started referring to this as the “$5 ...

The folks at Flitetest decided to add some extra power to an electric DH.100 Vampire RC plane by adding a butane afterburner. After some testing, and a bit of fire, they were able to make it fly.