ARMOR RABBIT IS RIGHT A GOOD FRIEND OF MINE HAD A LINDBERG PT 109 NOT AS GOOD QUALITY AS YOU BOAT WE TOOK IT TO THE GRAVEL PIT. OUT HERE IN OHIO THERE ARE A LOT OF PONDS MOST OF THEM ARE PRIVATELY OWNED AND DONT TAKE TO KINDLY FOR MODEL BOATERS. MOSTLY WE HAVE A LOT OF GRAVEL PITTS THESE PITS ARE MAN MADE AND GO AS DEEP AS 100 TO 200 FEET, WE TOOK HIS PT BOAT OUT FOR SEA TRIALS IT RAN QUITE WELL WHEN IT GOT OUT ABOUT 100 FEET OR SO THERE WAS NO RESPONCE TO RECIEVER THE BOAT TOOK ON WATER AND SUNK, THE STUFFING BOX,S AND RUDDER POST WERN,T SEALED CORRECTLY THIS MAYBE THE PROBLEM ON YOUR BOAT CHECK YOUR RUDDER POST AND GREASE WELL YOUR STUFFING TUBES AND YOU WILL BE GOOD TO GO AND TAKE ON THE POND.