[quote=rop]Thanks for all the advise, a quick update:
We couldn't find a decent second hand 5.7 or 570 mainsail. A new one has about one month delivery time and because we didn't want to wait that long, we did an experiment with an Nacra F18 mainsail.
The Nacra dealer here in Holland had a nice second hand Nacra F18 pentex mainsail for us that we could try/fit it on our 5.7. With full downhaul there was not much space left, but it fits! We bought it and installed a boom on the 5.7 (easy+cheap to do). The boom is a bit low, but tacking an gybing goes pretty well.
A small note: we bought our cat second/third hand, therefore we don't know if it still has the standard/original mast. The guys from Nacra were suprised the F18 mainsail fitted, and thought it was not the original mast(lenght) so be careful if you're planning to do the same. They told us a 570 sail won't fit a standard 5.7 either, because the 570 has a slightly longer mast.
Thanks to Nacra Holland for all the help & tips!<!-- editby --><em>Edited by rop on Aug 21, 2011 - 08:33 PM.</em><!-- end editby --> [/quote]
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