If you take a good look at the original; a Hong Kong schooner, you will notice how extreme those rigs are. The AR is extremely low, the fanning goes from bottom to top and 95%+ of the mainsail sits aft of the mast. You will also see how the Hong Kong parrels are struggling, and bend the battens upwards, even if these appear to be made up of bundles of bamboo. The forces in that rig must be huge. My armchair guess is that they wanted to pile on as big sail as they could on a short (read: less expensive) mast. Also note how well all those panels are setting - the HK-parrels surely must do their job well - and the crew were pros.
The situation on the latest Fantail style (as with my Johanna-style) rigs is very different. Here most of the fanning is in the top 3-4 panels. If the sail can be peaked up with the use of a THP and YHP (plus moving the slingpoint a bit aft of the middle), the panels below will stay mostly in place without any need for HK parrels. I still fit them, but there is very little load on them after the THP and YHP have been set up.
I don't use HK parrels, as I don't like the extra vertical load they put on the battens, and I don't find that they help with anything.
I can see there is no HK parrels, would they help at all or are they an overkill
I am going to make a drawing for check everything.
Bryan Tuffnell wrote:Fantail's sail sets best with the yard slung about 5% aft of centre. The real key to removing stress from the throat area has been to have the luff parrel act on the throat, as suggested and used by David. This encourages the sail to 'hang' from the yard rather than 'force' the sail into position as a pure luff hauling parrel does. When sailing to windward, Fantail's speed noticeably increases as the parrel is tensioned and the yard peaks.
The sheet consists of:
I am finally able to start the making of the new rig on WaterBear. It will be a Fantail mark2 sail. I am wondering what would be the best sheeting system, as long as running rigging too. I plan on having a halyard, a yard hauling parrel, a luf hauling parrel, a fanup preventer, 2 lazyjacks. I would love to have your thoughts to help me make my mind.
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