# Post-Mortem: Giant Rubber Band Launch #8 ## Summary Operator successfully achieved launch. Trajectory was within 5 degrees of target path. However, the rubber band, upon release, contracted faster than anticipated and wrapped around the operator's left ankle, resulting in a return to launch position at approximately 200 mph. ## Damage Report - Operator: compressed to 6 inches tall (temporary) - Rubber band: intact (reusable) - Mesa anchor point #2: minor crack - Operator dignity: not recoverable ## Lessons Learned Rubber bands are elastic. This means they pull things back. We should have anticipated this. ## Recommendation Switch to a one-way propulsion system. See: Rocket-Powered Roller Skates project.