SDM SONIC REFLEX MAST
OUR SUPPLIER IS BASED IN ITALY AND PRODUCES IN ITALY.
HIGH QUALITY WINDSURFING MASTS ARE MAINLY MANUFACTURED IN ITALY.
Thanks to update of new machineries, we were able to work out a new finish from our masts and introduce new technology in the constructions. We revised the sizes and models for 2021 according to the new needs of windsurfing and wind-foiling.
Most of the masts might look the same, but often produced by different manufactures with different machinery, materials, climates, and technology, Even if the curve or Imcs numbers might be the same, the performance outcome once down hauled in a sail, will be different. Being the backbone of your windsurfing sail, it makes a very important accessory for the rig. The same as having a suit tailor made. A large 9m slalom sails have different qualities and performance characteristics from a 5m slalom sail which is used in strong wind. The curve and stiffness of the mast needs to be developed accordingly. Most of the masts on the market are constant curve, but this is only a general term to explain the characteristics. What is important is the curve percentages values of the bottom and top sections of the mast, including materials, shapes, and reflex. These are values which are very different in each sail brand, and often kept secret. Therefore, the best efficiency is reached by having an integrated rig.
Point 7 SDM-s K100 Specs
SIZE (cm) | CARBON | BOTTOM FLEX | TOP FLEX | IMCS | TYPE | COMPATIBLE SAIL | TOTAL WEIGHT (g) | BASE (g) | TOP (g) |
---|---|---|---|---|---|---|---|---|---|
430 | 100% | 64% | 75% | 21 | Soft bottom | Constant Curve | 1520 | 980 | 540 |
460 | 100% | 63.5% | 75.5% | 25 | Constant Curve | Constant Curve | 1880 | 1220 | 660 |
490 | 100% | 62.5% | 77% | 28 | Flextop | Flextop | 2030 | 1280 | 750 |
520 | 100% | 62.5% | 77% | 34 | Flextop | Flextop | 2330 | 1440 | 890 |
570 | 100% | 62.5% | 77% | 40 | Flextop | Flextop | 2630 | 1700 | 930 |
Features
K100 CARBON MAST:
The best possible performance for your sail. Great pumping response, acceleration, light feel and absorption of the hardest conditions for optimal comfort and control. ‘S’ for sonic reflex. An incremented layer of carbon on the tip of the mast has been added. This will boost up the reflex on the top part of the sail. Main structure consists of 3 layers of carbon material. 2 unidirectional glass reinforcement sections are added to the mast to make sure that even in harsh conditions the mast is protected against breakages. As the gusts hits the sail, the mast will help convert this power into speed and keep the sail lighter whilst maintaining full control.
WHY THIS MAST:
No compromise in its performance. Racing, best reflex and light weight. If you choose this mast, it’s because you want to dominate. Some extra care is needed as the mast only has a minimal protection, giving the carbon the best performance possible.
The truth about mast curves
We often believe that the carbon content percentage from the mast is the main important thing.
The truth is that it’s better to have the correct curve, rather than any random 100% carbon mast with the wrong curve.
The mast is not only about the Imcs,
which is the central stiffness, but also mainly about the curve percentage of the base and of the top.
These curves are what classify a mast to be flex top of constant curve. The percentages do not give only these two options.
There are many combinations, which different brands can use, to fit their development needs through the mast.
For example, a flex top mast can be more flex top than another mast.
BASE
The lower the percentage value, the stiffer the base. The higher the percentage value, the softer the base.
IMCS
The lower the value of IMCS, the softer the feel of the mast. The higher the IMCS value, the stiffer the feel of the mast.
TOP
The lower the percentage value, the stiffer the top. The higher the percentage value, the softer the top.
RESULTS ON THE WATER
BASE
A softer base creates less profile in the lower part of the sail, but donates more comfort against rough waters. A stiffer the base of the mast, obtains more drive and power.
IMCS
The IMCS works as a transition value from the base to the top of the mast. It’s a value that allows the sail to feel stiffer or softer. A good compromise to make the sail feel comfortable according to its size, it is giving a good feedback.
TOP
A softer top to allow the sails to breath, and gives the extra edge while pumping in light wind. A stiffer top of the mast, would allow more stability in rough conditions.
OUR MAST CURVE CHARACTERISTICS
BASE
Our shorter masts are softer base, so higher curve percentage value from standard, to allow more comfort. While our longer masts have stiffer bases, so a lower percentage value to allow more power and drive..
IMCS
If we have a stiff base, we often try to go slightly softer in the IMCS than the standards normally offered. This gives a good synergy between the base and central part of the mast to express the best performance and comfort. The same is done on soft bases, we make sure that the IMCS is slightly stiffer to compensate the softer base.
TOP
In our case, our shorter masts are having a stiffer top, so a lower percentage curve value to allow more stability. Our longer mast have often softer tops, so a higher percentage value to allow more breathing and light feel on the higher part of the sail.
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