Windsurfing Masts Know Your Stiffness

Windsurfing Masts - Know the correct mast for yourcarbon content as much as 80%. This high carbon
windsurfing rig. There are many types of masts andcontent is important for mast control in gusty
they generally come in two types of materials andconditions where it flexes quickly under load and
that is fibreglass and/or carbon fibre. The amount ofreturns to its relative position much quicker than a
carbon fibre you have in the mast will depend on theheavier mast with less carbon fibre.
performance that you require. The more carbon youLighter masts are also usefull for Formula fleet racing
have the more flex and lightness the mast will bewhere the conditions are often light winds force 3-4
making manouvres and waterstarts a load easier.and where dynamic pumping is required to lift the
However, the higher the carbon content the moreformula board onto the plain. The lighter masts adds
expensive the mast will be possible costing up toa lot of speed, whip and extra power. When you buy
£400.your sail, rig manufacturers may recommend the
Mast stiffness is based on a scale called the IMCS orcorrect mast for that particular sail so you
the International Mast Check System which measuresshould’nt have to worry about mast stiffness
the flex within a mast depending on the load and theand the IMCS scale. However, in performance
relative length of the mast. The IMCS scale starts atwindsurfing knowing your stiffness can be a matter
around 19 which is very flexible while the other endof winning or losing the race!
of the scale is 30+ which represents a stiff mast.So, when you purchase your rig make sure you have
Fibreglass masts tend to be stiff but will almost havethe rigging instructions which will give you the
some carbon content in them to give it somesuggested luff (leading edge), mast stiffness and
flexibility. Lets take a wave mast for instance whichboom length which should be written at the bottom
needs to be durable due the impact of the wavesof the sail. This will make tuning your rig a lot easier
and the beach. These masts normally have aroundand hassle free. Then all you have to adjust is the
40% carbon content which makes it light as well asamount of downhaul depending on the conditions,
durable. High end performance masts which are veryyour ability and the style of windsurfing you are
light and are used for racing tend to have the highestabout to undertake.