OK then On your original Post, post what Packs you used so that other players know what they will need. sadly currently the way the game works is that if you dont have all the parts the ship wont load. I once tried This design. Although i did find that the Rocket was stable the weight of the boosters at the top* as well as the Consequent Damage from Rocket exhaust made the flight Program rather...... explosive *What happens is the weight of the boosters crushes the weaker connections on the Rocket usually disintegrating the rocket before i get to launch