My scratch built rocket called Positive Ascent flying on a Cesaroni Pro75 L2375 White Thunder Motor with 4878 Newton-seconds of total impulse, 91% of a full 'L' motor. The event was Muck Fest 2 in Potter, NY with the PYRO club. It was a perfect flight, landing about a half mile south of the flightline. It was the 6th flight for this rocket. Specs: Diameter: 5.5" Length: 9' Pad weight: 38 pounds Altitude: 7633 feet Electronics: Perfectflite HiAlt45K, Co-Pilot V2.0 backup