Estes 1/2A3-4T Bagged Rocket Engines (4) 2500Kv 8-second thrust duration

8-second thrust duration

Equipped with Incision S8E shocks featuring hard-anodized shock bodies

offering a smoother and more precise driving experience

Drive Cups Overview:

Estes 1/2A3-4T Bagged Rocket Engines (4) 2500Kv 8-second thrust durationRocket Engine Overview: The Estes 1 2A3 4T Bagged Rocket Engines Flight Pack is an all in one pack designed to give you everything you need for three exciting rocket launches. Perfect for single stage rockets weighing up to four ounces, this trusted engine delivers consistent thrust with a five second delay for safe parachute deployment. About the 1 2A3 4T Rocket Engines Convenient Bundle for High Flying Fun Each pack includes enough supplies for