Transcript for Real-life Iron Man breaks would record for fastest speed in a jet suit
Reporter: From comic book seer res Superman to wonder woman, to the alien E.T. Flying, one of the most enduring dreams of mankind, immortalized in film. ??? ??? but for one British man, those dreams have become a reality. Meet the real-life iron man, uk inventor Richard browning. This former royal marine is the inventor of the gravity suit. Powered by six jet engines with over 1,000 horsepower, browning has taken the dream to fly to new heights. Literally. He's just broken the guinness world record for fast els flight in a jetsuit. With speeds topping 32 miles per hour. One day you woke and up thought, this is boring, I want to make a jet pack? Not exactly. I suppose throughout my life, especially as a kid, I used to enjoy making things, take things apart, working with my father in his workshop. I've always been technically minded, at least in my day job career. Reporter: Browning says inventing is in his blood. Like marvel's superhero Tony stark, he's had his trials and failures. Watching Robert Downey Jr. Fly, did you think, I recognize that guy? I love the clip in the first "Iron man" film of where he is learning. He's built it, he's in his garage, crashing around, trying to learn the balance. 90% of things we tried didn't work. When they didn't work, often that meant I would then fall over are. Only a few feet off the ground or whatever. But learning from failure has been the fuel that's driven our journey. Reporter: Browning impressed with how the physics of flight seemed so true to life in the movie. But in terms of the balance and control, it's hugely similar. You can see from our learning and testing clips that actually, as I say, full credit to marvel for coming up with and imagining what it would be like to have that thrust coming off the body. Have you met him, Robert Downey Jr.? No, we've had a lot of social media link us. You know. In that way. But no. We should get him to come down and try on your suit. I hear it's in his contract now, he refuses to put on the marvel iron man suit because it's awfully uncomfortable. Robert, if you're watching, this is really comfortable, you're going to want to try it on. So tell me the journey in development, how did you get here? I suppose our ground zero point was standing in a lane, you can see the clip of this. One small gas turbine mounted on my arm. We had a mop bucket as a fuel tank. It was all pretty rudimentary. And we rammed this thing up. Reporter: He was experimenting with multiple engines ask seeing results. We went from two engines to four. And I really am now starting to jump around like I'm on the moon. You can see that's now a huge amount of thrust. It's still not quite enough to get me and the equipment off the ground but it's close. Reporter: Now the sky really is the limit. As high as a plane needs to go? As high as you like. After a while you become limited by the temperature the human body is comfortable at. You'll pass out but it will keep going? Don't go too high. It's limited by can we transition to a point where a parachute would safely save you? That's a critical point we need to solve. Should I be concerned there's a skull and cross bones? I got a chance to fire it up. See if you can crush your arm. Although taking off is too dangerous for anyone not properly trained. He says his suit even caught the attention of the military. The military are very excited about this, we've got military collaboration going on, search and rescue collaboration going on as well. And it has occurred to me that in this day and age, if you need to get rapid response, I think we can do this faster and more nimbly than a helicopter can. Reporter: The goal, he says, make flying a reality for more people. That feeling when you did start to lift off and disengage from the ground and you weren't coming back unless you flared your arms out, that was phenomenal, that was really exciting. That was what it was all about. Absolutely, absolutely. Reporter: One of these will Kate moss you. Even though we've only been out for six months doing this, we've already had our first client, if you like, pay a significant amount of money to come over, have their own custom flight suit built. How much? The latest version now that we're running, there's an example of it in the back here which runs a much better setup, that's $450,000. Reporter: Sky-high costs aside, for browning, the possibilities are end is already. I've become a huge believer in the creativity that you see behind science fiction. Because it is an example of unbounded human creativity. Where you don't care about whether you can really build it, you just imagine. It's fantastic. Reporter: For "Nightline," I'm James Longman in London.
This transcript has been automatically generated and may not be 100% accurate.