I inserted a 5mm hollow cf tube the full lenght of the plane it took a bit of time but well worth it you need to cut it from just behind the purse down to the rudder push the tube thru the front along the bottom of the battery floor right down till its past the sevos in the tail put your rx areil in befor you hot glue the seam back up you woudent even know that it had been opened up cheers
oh yer you need to hot glue the tube in as well