How long is a table fishing rod that needs to be dumped on the big side

Rods 6.3 meters and above. Fling big whip is a kind of casting rod for Taiwan fishing, applicable to the length of 6.3 meters and above, especially when the line length exceeds the length of the rod, the operation action is, both hands in front of the body to hold the rod, the rod will be vertical, move the rod slightly, from the left side or the right side of the small range of drawing a semi-circle will be swung behind the line group, to the front of the fishing position to force the rod, the line group will be driven by the rod, thrown to the front, and then wait for the hook bait is in place, the pressure of water line, the completion of the casting rod. So Taiwan fishing rods 6.3 meters and above will need to dump the big side.