The purpose of this tuning-guide is to give our
clients in the X-99 class some guidelines on how to get the most out of
their North Sails. The tuning guide is made by Mads Christensen
Follow the guidelines, but always experiment and try finding your own
trim. The weight of the crew, the balance of the boat, the stiffness of
the mast together with specific local wind and sea conditions all have
influence on the fastest and final trim.
Main traveller from Harken with automatic relase on leward traveller
Blocks for genua sheet is tied on the traveller instead of using sjakels
All blocks are tied with spectra rope instead of using shackles to reduce weight and increase flexibility
Special turnbuckels to ease trimming
Spinnaker bag system, which makes it possible to move the bag forward in the cabin when not using the spinnaker
1. Take off your forestay
2. Bring it to the front of your mast
3. Mark the forestay just under the black mark.
4. Put the forestay back in its original place.
5. Measure from the black mark on your forestay to the centre of the
pin-bolt when put back on its place
6. The lenght should be adjusted to the actual wind speed according to
Contact the X-99 Experts: