You would have to soften it in water then mold it around something and let it dry in place. Poster-board is not an easy thing to work with.
Get some cardboard, make a cone, and tape it to the top of the bottle.
A perfect cone
First, put a dot in the corner of your paper. Then, roll the paper up, leaving the tip sharp. There! Now you have a nose cone!
love,can,no,nose,cone
no
Usually cardboard for the fuselage and a plastic nose cone
First, put a dot in the corner of your paper. Then, roll the paper up, leaving the tip sharp. There! Now you have a nose cone!
typically the nose cone is filled with a parachute to the rocket arrives on the ground safely.
Yes because if the cone is not straight it will make the rocket go offside; wonky, and you would not fly straight. It is also harder to control
The nose cone separates when forward flight is ended and the motor 'retrofires', blowing off the nose cone and exposing the parachute.
A streamlined plastic nose cone.
Nacelle .