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Kayak Design: Rudder vs. Skeg

Forrest Wells // September 05, 2018

Forrest Wells

General Manager, Guide & ACA Instructor
Forrest is a BCU 4 star paddler, ACA open water advanced instructor, ACA SUP instructor, Alaska Kayak Guide and has his 200 ton Master's ship license. In addition to keeping the OOC ship headed in the right direction and running efficiently, he is an avid outdoorsman and kayak/SUP racer. He also helps coach water polo, plays a mean guitar and can cook up a tasty oyster on the half-shell.


As kayak materials, hull design and features evolve, the one topic that continues to be talked about the most here in our shop is: "Rudder vs. Skeg". There are pro's and con's to both and the boats that come equipped with one or the other are often designed to be used in very different settings.

Let's first start off be defining and explaining how each is used.

rudder is a long, narrow fin-like blade that extends down into the water off the stern end of a kayak. The rudder can either be stored up on the deck of the kayak or deployed with rudder lines.  When deployed the rudder works in concert with a cable system and foot pedals to actively steer your kayak. Push your left foot pedal forward and the kayak turns to the left.

Advantages of the Ruddered Kayak:

  • The Rudder can enact significant change to the direction of the kayak allowing the paddler to make large changes in direction.
  • Ruddered kayaks also have more space in the stern hatch for storage since they do not have a skeg box.
  • Rudder is easier to fix and replace part that may break.

Disadvantages to the Kayak Rudder:

  • The rudder is a fairly simple mechanical system but there are many parts. Some of which can break or fail. 
  • More wind-age on the deck of the kayak that will be pushed on by wind or waves.
  • Requires constant attention, the paddler is always steering
  • Most foot systems have some "squish" in that even with the rudder up on deck the foot pedal will still give. *This can be mitigated by installing an aftermarket foot system like the toe pilot from SmartTrack

Browse our Ruddered Kayak Options

A skeg is also located in the stern of the kayak but instead of being placed on the deck of the boat, the skeg is recessed in the stern and controlled by a push rod or cable near the cockpit. The skeg provides a significant amount of tracking (keeps the kayak going straight) when fully deployed. This system is not steerable, it is a set it and forget it system.

Advantages of the Kayak Skeg:

  • Provides a set it and forget it solution to keep the Kayak going straight. Needs little to no attention once deployed.
  • Clears the back deck and reduces windage.
  • Solid foot pedals for bracing, rolling etc...
  • Fine tuned adjustment through varying skeg depths

Disadvantages of the Kayak Skeg:

  • The Skeg is not steerable. 
  • The storage in the  stern hatch of skeg kayaks is limited by the skeg box.
  • The skeg box on the outside of the kayak is easily fowled by small rocks or other particulate.
  • The Skeg system is more difficult to repair

Browse Kayaks with Skegs

Both the Rudder and the Skeg should be used to offset environmental input, like wind, waves and or current. If you are not struggling to maintain directional control of your kayak it is best to have them both up. One of the tendencies, especially, with the rudder, is to use it all of the time. It is important to be able to control your kayak with your strokes from a proficiency stand point but also for enjoyment. If you are out there constantly steering and correcting it becomes a bit of a hassel. Even the most well balanced kayak with veer off course and its totally normal as long as the deviations are minimal they can be corrected very easily with a sweep stroke and or some edge control, no big deal.

Kayak Ruuders and Skegs

Why do some kayaks have rudders and others have skegs?

Whether kayak has a rudder or skeg or nothing at all can be attributed to the length of the kayak, the hull design and intended use.

Typically ruddered kayaks (16ft - 20ft) aka North American Touring kayaks are designed to paddle in a straight line well, be fairly efficient and have lots of storage. Ruddered kayaks are typically longer and have less rocker (the amount of curve of the hull from bow to stern). Since these boats are longer the paddler benefits greatly by having a rudder to help with control. Longer ruddered kayaks excel in the inland touring category. These kayaks are ideal for paddling longer distances and for multi-day adventures. Not the best choice for dynamic environments with breaking waves and extreme currents.

Skeg Kayaks aka Brit Boats, are designed to excel in more dynamic environments. These boats often time have a lof of rocker which enables the paddler to enact a tremendous amount of directional change to the kayak when on edge. These kayaks are much more nimble because of the rocker, great deal of side cut and typically shorter water line, making them much more suitable for the coastal environment with breaking waves and lot of moving water. 

Kayaks with no rudder or skeg are typically short, under 14ft. Since these kayak are so short they are easy to control using proper paddle strokes. 

Browse Recreational Kayaks

Conclusion:

Many of the things discussed here can be fairly subjective. Be sure that you match your kayak to what it is your are going to do the most often. In fact many enthusiasts have more than one kayak for this reason. Head out and paddle many types of boats in different configurations to determine which is the best fit for you. The best way to do that is find a dealer like us here at Olympic Outdoor Center that provides the ability to try the kayak before you buy it. We offer free demo's everyday!

 

 


expert-advice   forrest-wells   kayak   kayaking   touring  




Forrest Wells

Author

General Manager, Guide & ACA Instructor
Forrest is a BCU 4 star paddler, ACA open water advanced instructor, ACA SUP instructor, Alaska Kayak Guide and has his 200 ton Master's ship license. In addition to keeping the OOC ship headed in the right direction and running efficiently, he is an avid outdoorsman and kayak/SUP racer. He also helps coach water polo, plays a mean guitar and can cook up a tasty oyster on the half-shell.