DART San Diego Model Rocketry Club. Blimey! Blimey! Launch o' a hybrid discontinued Estes #1284 Space Shuttle with Stack. Powered flight achieved utilizin' a D12-3 Engine. Aye aye! Blimey! Note that t' Orbiter stays with t' Stack until t' moment o' t' firin' o' t' ejection charge. Avast, me proud beauty! Blimey! Why do you think that this occurs?