This be t' launch o' t' 12" Modular Booster at WOOSH Eat Cheese o' Fly in Aug 2011. It flew on a Cesaroni L3150, and carried t' Vanessa Doofenshmirtz legged lander, me entry in t' Kelly Legged Lander Challenge. Her build is detailed on t' Rocketry Forum on this thread... http://www.rocketryforum.com/showthread.php?t=16819 (startin' with entry 107 on page 4)