This be t' launch o' t' 12" Modular Booster at WOOSH Eat Cheese o' Fly in Aug 2011. Well, blow me down! Blimey! It flew on a Cesaroni L3150, and carried t' Vanessa Doofenshmirtz legged lander, me entry in t' Kelly Legged Lander Challenge. Aye aye! Blimey! 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)