Watermelons are the unsung heroes of YouTube. They consistently sacrifice their lives so that makers around the world can test their outlandish inventions. Got a ridiculously overpowered laser? Test it on a watermelon. Got a dangerous modified saw? Test it on a watermelon. Want to drop something from your newly constructed remote-controlled cargo plane? You get the idea. In a recent video, makers from the YouTube channel FliteTest demonstrate how to construct a watermelon-dropping RC plane.