I'll admit it. I'm super tired and I don't want to write even an opening paragraph. Just go to the website and read what these guys have to say, it's easier and faster for both of us: The Martin Jetpack
And while we're on the subject, if you don't want to go to the website, here's a video of the Martin Jetpack, but if you're going to ride this thing, you're going to want hearing protectors:
