The Dextron® deflector legs are tailor made according to customer specifications. The straps are covered with the patented OTS protective jacket™ to avoid damage on rope and equipped with Dyneema® hairy fairing to reduce drag. The Dextron® deflector legs have low length tolerances, only +/- 10 mm in lengths up to 10 meters. Moreover they keep within the tolerances throughout the lifetime and also maintain their strength. In this way they have proven to be unmatchable by other types of straps and are now the preferred choice of the majority of marine seismic companies.
Dextron®12 Plus is a torque-free, 12-strand braided rope with maximum strength-to-weight ratio and size-for-size has the same strength as steel. Dextron®12 Plus is made with Dyneema® SK78 and is an excellent wire rope replacement with extremely low stretch, superior flex fatigue and wear resistance.
Dextron®12 Plus is Type-Approved by DNV. Download certificate
|Colour of rope||Yellow|
|Elastic elongation||0,44% at 10% of breaking load
0,62% at 20% of breaking load
0,79% at 30% of breaking load
|Abrasion resistance||Very good|
|UV exposure||Very good|
|Melting range||144-152 ºC|
|Max work temp.||65ºC|
|Specific density||0,98 (floating)|
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The patented chafe gear - OTS Protective jacket™ - offers excellent protection against external abrasion and increases rope lifetime with up to five times. The "no-rupture" construction combined with the worlds most abrasion resistant synthetic fibers, makes this the best cut -and abrasion resistant cover for your ropes. The jacket is mechanically braided onto the rope for a firm and solid finish.
OTS Protective jacket™ is braided in the following combinations:
- Soft eyes
- Soft eyes and required length (for instance over the splices)
- Exposed area on the rope
- Entire rope length
OTS Protective Jacket™
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Fairing reduce the turbulence that occurs when a object is being towed through the water. The fairing OTS supply comes in two types; hairy fairing and solid fairing.
The hairy fairing is either tied to the rope by hand or automatically braided into the protective jacket™. The hairy fairing can be made with fibers like PE-yarn, Danline, Dyneema® or Polyester. Recent years testing in laboratory and fieldtests has given further information about the effect of reducing drag by means of fairing. OTS is continously developing new fairing types based on information from these type of tests. Contact us to learn more about our recent developments.
The solid fairing is a wing shaped component mostly made of PE or similar material. The fairing is - at its name states - a solid construction that is beint threaded onto the rope and secured to the rope every 5 or 10 meters. This fairing type is especially effective on drag reduction where the rope is being towed in a transverse direction.