On this one it is good they reduced the stuffer tube length a bit. Consider using a dash more powder in the ejection charge. I would use some of the extra recovery room to extend the very narrow shoulder of the heavy nose cone. The rest of the room will be used for bigger chutes to bring this heavy beast down slower to save the fin attachment. Use good techniques to attach the fins as strong as possible. I put the capsule on a second chute with a lanyard to save the tower on landing. The ULine shipping tube is a real bear to fill in the spirals and the plastic coating does not help. Use good tape setting technique to apply the vinyl roll pattern wrap. Use rail buttons. Carefully drill out the cone to get the CG right for the motor you are using. Pray before launching.