Top down furling and bottom up furling are expressions used primarily for continuous line furling systems using a torsional cable/rope, around which the sail furls. As opposed to a traditional foil furling system, used on cruising boats, where the jib/genoa is hoisted in a luff groove in the aluminium foil and the sail furls around the full length of the foil.
A quick introduction to PROtect Tapes, why every boat owner should consider their onboard "protection" and two common applications.....
Understand the importance of having a good quality furling line for continuous line furlers, what to look out for and where to find an extensive range of performance and cruising furling lines.
Have you got any idea what's the difference in design between a top-down or bottom-up torsional cable? Find out what makes a good torsional cable and the important differences between the two applications.
Introduction to Karvers upgraded 3:1 Friction sheave for use with their KF / KSF furling drums. It's not often that developments in fitting design deliver a significant increase in quality and a reduction in both weight and price - all at the same time. But Karver Systems appears to have achieved the impossible with the new 3:1 Friction Sheave.
What are the main twin-groove racing headfoil options available and what are the key features and benefits of each?
A twin-groove headfoil is a must-have system for any club or grand prix race boat. Seamless inside / outside genoa hoists allow you to keep trucking upwind as the wind changes.
