This would most def. earn the launch person the title of true hero, even if he went head 1st into the wall! It would sure take one very large pair of balls!
The old circus trick of firing a person from a cannon is being considered by the US Defence Advanced Research Projects Agency (DARPA) as a way to get special forces, police officers and fire fighters onto the roofs of tall buildings in a hurry.
A ramp with side rails would be placed on the ground near the target building at an angle of about 80°. A (very brave) person would then sit in a chair, like a pilot’s ejection seat, attached to the ramp.
Compressed air from a cylinder underneath would be rapidly released to shoot the chair up the ramp’s guide rails. At the top the chair would come to an instant halt, leaving the person to fly up and over the edge of the roof, to hopefully land safely on top of the building.










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