The Viper cockpit is very clean with a gnav in place of a traditional vang. The new 8:1 Harken gnav replaces the slider system with a captive bearing car designed for compression loads. The Harken IN8418 utility car removes most of the friction to make the system more powerful, reducing the need for a very high purchase, and making it far easier to use under load.
Jib Halyard Fine-Tune
For cranking up the luff tension in fresh wind, the Viper's jib halyard is deflected through a 8:1 fine-tune. The double-ended system uses Micro Carbo Cams with X-Treme Angle fairleads, making it easy for the forward crew to adjust without leaving the rail.
The 2:1 ratchet-controlled jib sheet runs through Carbo T2s on the clew to low-profile pinstop cars for trim angle adjustments. In addition to moving the cars forward to round the foot of the jib, Viper sailors can also improve light-air performance by removing the top batten to keep the leech open.
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