What is the minimum safe distance from a high power rocket containing three (3) "H" motors?

What is the minimum safe distance from a high power rocket containing three (3) "H" motors?

• A. 200 feet
• B. 100 feet
• C. 75 feet
• D. 50 feet

Answer: (A)

Safety distance is determined by how much energy the propulsion system stores and how far debris can travel if a motor or Rocket fails. Three H motors create a very high total impulse, meaning more potential energy and more chance for pieces to fly off or burn if something goes wrong. Because of that increased risk, a larger standoff from the launch area is required, and 200 feet is the recommended minimum for this setup. The other distances are too small to provide adequate clearance for debris or a malfunction, so they’re not appropriate for a high-power rocket with multiple H motors.

Safety distance is determined by how much energy the propulsion system stores and how far debris can travel if a motor or Rocket fails. Three H motors create a very high total impulse, meaning more potential energy and more chance for pieces to fly off or burn if something goes wrong. Because of that increased risk, a larger standoff from the launch area is required, and 200 feet is the recommended minimum for this setup. The other distances are too small to provide adequate clearance for debris or a malfunction, so they’re not appropriate for a high-power rocket with multiple H motors.