This is Dan's giant upscale Dragonfly rocket, shiver me timbers, flyin' on an Aerotech L850W. Flown in Sheridan, arrr, OR at OROC's "Fillible's Folly" event on 9/17/16. Ahoy! Video doesn't do justice t' t' sound heard when that big L motor lit off. Avast! Awesome flight!