What does a double concave do on a surfboard?
Rachel Ellis
Published Jan 08, 2026
Double Concave.
What is double barrel concave?
A double barrel (concave) vee: the stringer is above the rail, subtle but slightly elevated. Rounding the spine of the vee lends to smoother feeling transitions rail-to-rail.
How deep should concave be on a surfboard?
Once the deck is flat, you can use the same process you normally use for bottom concaves. I try to keep the max depth of the concave around 1/8″ in the center and taper it out towards the rails.
What is Vee in a surfboard?
Panel Vee. Panel vee is the name given to the most simplistic and common form of vee. The incline on the bottom of the board is a flat surface from the centre of the board to the rail. This type of vee is usually found in the back third of a surfboard and provides some directional stability.
Where should I start single concave?
The concave generally starts around where a surfer's chest lies on the board when paddling. A single concave is sanded into the center of the board, from the chest through the tail.
40 related questions foundWhat is concave on a surfboard?
Surfboards usually have different bottom contours from nose to tail. For example, a board could have a “single concave” on the nose, a “flat” bottom in the middle and a “belly” at the tail. This depends on how the shaper wants the water the be channelled under the board.
How does Rocker affect a surfboard?
The bottom curve of your board, running from nose to tail, combines with the outline of your board to create the primary performance characteristics. The more curve you have, the slower, but easier to turn (loose) it will be. A straighter rocker will be faster but harder to turn (tight).
What does the bottom of a surfboard look like?
Surfboard shapers design different shapes of bottom contours for various types of surfers and different surfing conditions. Surfboards usually have different bottom contours from nose to tail. For example, a board could have a “single concave” on the nose, a “flat” bottom in the middle and a “belly” at the tail.
How do you start shaping a surfboard?
- Step One – Address The Blank.
- Step Two – Milling To Thickness.
- Step Three – Shaping The Bottom.
- Step Four – Turning The Rails.
- Step Five – Blending It All Together.
- Step Six – Finishing Work.
- Summary.
What does a fish tail do on a surfboard?
The fish surfboard is also highly capable at catching waves in small wave situations because of the wide template at the tail. There's more planing surface to keep you afloat. A wide tail also provides great drive down line, which is very important when the waves are small.
Can you surf a fish in big waves?
It is possible to surf your normal board in fat waves. BUT it's a lot of work! This wave would be so much fun on a Fish. To get more planning area, you can surf a bigger board, a Mini-Mal or Longboard for example.
What is pearling in surfing?
A nose dive, or pearling as it's affectionately referred to, is when the front of your surfboard dips down under your wave and subsequently catapults you from your board. It's a common occurrence for new surfers learning to stand up on a wave.
What makes a surfboard easier?
Short Surfboards
Shorter boards are easier to change direction quickly because they create less water resistance when going from side to side. They are more manoeuvrable, especially in small waves.
What are the things on the bottom of a surfboard called?
Deck & Rocker
A surfboard has a top and bottom side; the top is called the deck, while the bottom is called the rocker.
How do you ride your nose with a surfboard?
It involves cross-stepping to the front of your board, then placing the toes of your front foot right over the very tip of your board (for a hang five) then joined by the toes of your back foot (for a hang ten). The result is a gravity-defying act of gliding that makes the surfer appear to be levitating on water.
What do flyers do on a surfboard?
The use of flyers allows a shaper to maintain a straighter outline from the centre of the board to the fins for maximum speed and then provide quick release and a tighter turning circle.
What does nose concave do on a surfboard?
A single concave channels water from the front of the surfboard until it passes the fins and out the tail of the board. The design allows for faster surfing and works very well in large clean surf. It is not particularly versatile as it does not do well in choppy surf, but the speed makes it a very popular choice.
What is reverse vee?
' The Reverse V disproved the old 'V' between the fins, and the result was the EEV was a much faster surfboard that when put on rail would carve at higher speeds. The EEV design was widely accepted as a breakthrough that allowed faster on rail surfing.
What is a tri plane surfboard?
Tri Plane Hull – The tri plane hull was developed by Al Merrick and consists of a shallow concave on each side of the stringer that extends from the center of the board to the fin(s). Added lift is created as water passes diagonally across this contour, similar in action to water rushing over a stone in a stream.
What is an egg surfboard?
An egg surfboard is a type of funboard: a mix between a long board and a short board. Eggs get their name from their rounded, egg shaped nose and their short, almost stubby size. While it is not quite as round as an actual egg, its ovular shape gives it a distinct look.
What is the easiest board to surf on?
Foam surfboards are a great choice for beginners! For beginner surfers, an 8 to 9-foot foam longboard surfboard is one of the best options as an entry-level surfboard for a number of reasons. Foam surfboards are stable, user-friendly, and easy to paddle which makes catching waves and standing up a lot easier.
What are twin fins good for?
Blake Peters: Twin fins have great speed and flow and its a different style of surfing in general; a little more graceful and less aggressive. Twins are great if you are surfing somewhere that has a point break or a wave that lets you run and gives you some open face.