How Does a Surfboard Work?
Surfboards split into two categories–longboards and shortboards. Both board types offer removable or permanent fins underneath. It is the fin’s purpose to stabilize the surfboard and keep it from sliding to either side. Fins are removable on newer boards, allowing users to adjust the size for changes in board performance and stability–fins allow for stabilizing control of the board. Both longboards and shortboards have special bottoms that can curve to varying degrees, changing how much of the board is in the water. In addition to the fin, a surfboard consists of several other parts. There is the bottom, the deck, the concave, the bulb, the leash and the leash cup. The bottom is the side of the board which resides in the water. The concave is the collection of grooves and contours underneath the board. The concave directs water with the fins of the board and influences the speed and guidance of the board. The top of the board is called the deck. This is the area where surfers apply w
