Estes Rockets - F15-6 29mm Model Rocket Engines (2pk) HPI106149 - Replacement bearings are Traxxas

- Replacement bearings are Traxxas 5118 and 5107A

If you think drifting is difficult

100mAh Battery

Introduced in June 1941

Estes Rockets - F15-6 29mm Model Rocket Engines (2pk) HPI106149 - Replacement bearings are TraxxasTake your mid powered rocket flights to new heights with the Estes F15 6 Engine. This 29mm engine packs an impressive 49. 61 N sec total impulse and delivers a maximum thrust of 25. 26 Newtons giving your rockets the boost they need for strong, stable launches. It's ideal for experienced modelers looking for consistent, long duration thrust and reliable performance across a wide variety of heavier rocket designs. With a 6 second delay between burnout