Here’s a really tiny r/c blimp that doesn’t need several cubic feet of Helium to get off the ground. Instructables user [masynmachien] has been building r/c blimps for over a decade now, and ...

Back then, it was a true blimp — that is, a giant, soft balloon full of helium ... are also a handful of blimps that are leased by companies around the country for advertising or surveillance. But ...