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, ya bilge rat, me entry in t' Kelly Legged Lander Challenge. Blimey! Her build is detailed on t' Rocketry Forum on this thread... Arrr! http://www.rocketryforum.com/showthread.php?t=16819 (startin' with entry 107 on page 4)