Estes Rockets - F15-4 29mm Model Rocket Engines (2pk) CIS91768 Yota 2 Axles with XVD

Yota 2 Axles with XVD (V2)

Over-heating/Thermal Protection

throttle loss protection

Front bumper length: about 180MM

Estes Rockets - F15-4 29mm Model Rocket Engines (2pk) CIS91768 Yota 2 Axles with XVDTake your flights to the next level with the Estes F15 4 engine a powerful mid power engine designed for model rocket enthusiasts seeking longer thrust duration and higher lift capabilities. With 49. 61 N sec of total impulse and a max thrust of 25. 26 Newtons, this engine is built to launch heavier rockets to stunning altitudes with confidence and control. The F15 4 offers more than just raw power it's engineered for dependable, sustained flight. The