Preparing a Launch Release Device

Gather the required parts 1 – Appropriate sized balloon 1 – Burner coil 1 – Spool 1 – String with small loop on one end 3 – Elastic stack lines

Insert the spool Insert the spool into the neck of the balloon Slide the spool about 3 or 4 inches up the neck Be sure to leave enough room below the spool so the neck can be folded over and secured to the stack line

Prepare the elastic lines and burner Thread the string with the loop in it through an elastic line, the burner, and the other two elastic lines as shown in the picture

Wrap cord around spool Wrap the cords around the neck where the spool is Hold the loop end of the main cord with your thumb Put the free end of the main cord through the loop and draw the main cord snug

Start a knot Start a knot by passing the free end of the main cord under itself and through the new loop that is formed Start a second knot in the same way Do not tighten either not yet

Tighten main knot Pull the main cord as tight as you can and hold it taught with your thumb Finish tying the first knot The main cord must be TIGHT... It must not slide off the spool Move thumb here to hold main cord taught

Finish main knot and start the backup knot Finish the main knot making sure the main cord it tight around the neck and spool If the main cord is not tight, stop now and redo the first knot Tie the backup knot in the same manner as the first one

Finish backup knot Pull the backup knot tight Double check that the main cord is tight around the spool and balloon neck Cut off the excess main cord here

The final product Here’s the final product, ready to fly Store the balloon in a dark plastic bag