Recent content by Flabbyflab

Hello! I am creating, or at least attempting to create, a human-powered helicopter. I need an equation to figure out the lift from the rotors. I plan to use four counter-rotating rotors, three blades each, and each blade made of foam, with aluminum ribbing. The blades will be six feet each...

Hello, I am having a dispute with my friend on whether fire exists. We have established that fire is energy, but I need to know whether energy "exists". Please, if you can answer this, I need a descriptive response before he will accept it. Thank you!