Estes B6-4 Engine Flight Pack (3) TOP FUEL allows for superior control and

allows for superior control and stability throughout the race

hefty surface-area pins

nuts and large plastic washers necessary for a correct attachment of the aileron

RX28-042 RX28/FX28 3

Estes B6-4 Engine Flight Pack (3) TOP FUEL allows for superior control andRocket Engines Overview: Fuel your next launch with the Estes B6 4 Engine Flight Pack designed for smooth, powerful, and reliable rocket flights every time! About the B6 4 Engine Flight Pack Power, Precision & Reliable Performance The Estes B6 4 Engine Flight Pack is the perfect choice for powering mid sized model rockets with smooth, consistent launches. Featuring a total impulse of 5. 00 N sec, a 0. 8 second thrust duration, and a 4 second delay, it