He sawed, he cemented, he drilled. He was very serious.
The following photos show all the work he put in
These are videos of Justin trying out his creation. The first video is at 7:30 in the morning because he couldn't wait any longer to see if it worked. I love his reaction. The other video shows how far it goes. By the way, Aquanet hairspray is the fuel of this operation and a potato is what is being launched.