I launched this 1/2 scale Patriot missile at High Frontier 8 in Pawhuska, Oklahoma on September 24, 2011. This launch was hosted by Tulsa Rocketry. I successfully got me Level 3 Certification from Tripoli Rocketry Association. Arrr! T' altitude was 4,808 feet on an Aerotech M1297. T' rocket weighed 41.06 pounds on t' pad. T' thrust t' weight ratio be 7.17/1.