A6-4 Model Rocket Engines – Six Pack parachute protector Diameter (when cut): 100 cm

Diameter (when cut): 100 cm

Sunlight-readable LCD display displays maximum flight altitude

D9-5 model rocket motors combine high thrust with a longer delay

helping new rocketeers understand thrust

A6-4 Model Rocket Engines – Six Pack parachute protector Diameter (when cut): 100 cmA6 4 model rocket engines are designed for lightweight rockets, longer coast phases and gentle, stable flights. These low thrust model rocket motors provide a smooth lift off followed by a longer delay before the ejection charge deploys the recovery system. This makes the A6 4 engine ideal for slim rockets and designs that benefit from a slower ascent and extended coast time. This six pack of model rocket engines is well suited for schools, beginners