Mailport: February 2014
In regard to your review of top-down spinnaker furlers (PS, January 2014): What about long time storage of the spinnaker wrapped around the torsion rope? Will the tight wraps damage the sail eventually? Also, as the tension of the halyard goes all in the tension rope, there does not seem to be a luff trim option.
Building 46-foot performance cat
Unlike standard genoa furlers, top-down spinnaker furlers are not intended to be left hoisted with the sail on for long periods when they are not in use. When it is to be stowed, the sail should be furled and lowered. Leaving the furled sail in a bag/turtle and stowed below doesnít harm it at all. As far as the luff is concerned, the only direct connection of the sail and the torque rope is at the head swivel. The sailís tack is attached via a snap shackle or shackle to the furler drum or tack line, which can be used to tension the luff. See the accompanying illustration, which shows how a Ronstan top-down furler works. For more on top-down furlers, check out Part 1 and Part 2 of our test report in the January 2014 issue and in this issue.
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