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The Estes A3-4T engine is a single stage engine designed for model rocket flight.
The Estes B6-0 engine is a booster stage engine designed for model rocket flight and has to be used with a standard engine.
The Estes 1/2A3-2T engine is single stage engine designed for model rocket flight.
Hooks fit mini engines (two), regular and ‘D’ engines (three) and ‘E’ engines (two).
One of our most extreme, super performance model rockets you can own and can easily be built in one afternoon. Standard engine powered.
The Estes 1/4A3-3T engine is single stage engine designed for model rocket flight.
Printed two color design. Preassembled 24 in. (61 cm) parachute.
The Estes 1/2A3-4T engine is single stage engine designed for model rocket flight.
The Estes C6-3 engine is a single stage engine designed for model rocket flight.
The Estes B6-2 engine is single stage engine designed for model rocket flight.
The Estes B4-2 engine is single stage engine designed for model rocket flight.