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| 18se diamond wire tension and shroud tension http://www.hobie.com/au/en/forums/viewtopic.php?f=13&t=10171 |
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| Author: | petermyers [ Sun Jul 27, 2008 11:18 am ] |
| Post subject: | 18se diamond wire tension and shroud tension |
just bought an old 18se. can someone pleeese give me a good general setting for the diamond wires and how to measure if it's right. i plan on 320-440 lbs on the boat 2,3 people recreational sailing, but i also want some performance. also, i bought new shrouds for it-they are about 3" shorter than the existing ones on it. i talked to a guy who suggested the old ones were way too loose. general guide on shroud tension? thanks oh btw- i saw somewhere that fixing soft decks can be done? i'd like info on that as well |
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| Author: | Wyatt [ Sun Jul 27, 2008 3:26 pm ] |
| Post subject: | |
You need a Hobie 18 performance manual. It was written many years ago, but it will get you in the ballpark for everything. Not written for the SX. |
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| Author: | petermyers [ Sun Jul 27, 2008 3:34 pm ] |
| Post subject: | hobie 18se performance manual |
thanks- i've looked online, but not finding the right source for this. any ideas? |
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| Author: | HOBIE18906 [ Sun Jul 27, 2008 9:55 pm ] |
| Post subject: | |
Here is a nice tuning guide. http://www.hobievic.org.au/pdfs/Hobie18TuningGuide.pdf |
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| Author: | srm [ Mon Jul 28, 2008 9:48 am ] |
| Post subject: | |
Traditional tuning of the 18 has the diamond wires tighter for heavier crews/lighter wind, diamond wires looser for lighter crews/heavier wind. The method used in the H18 Performance manual for determining diamond wire tension has you placing marks on the mast (tape) at one-foot intervals starting at the lower diamond wire/rotator bolt and going up 3 feet. The highest point where you can press both wires against the mast is your current setting. A good baseline would probably be somewhere between the one and two foot marks, probably leaning towards the one-foot. Most 18 sailors I see seem to be leaning towards more tension rather than less. As for mast rake, I haven't measured mine lately, so I can't even give you a reference number there. However, using the standard main blocks (non-low profile) on a new mainsail there is probably 3 to 4" between the blocks when sheeted hard upwind. Sorry I can't be more specific than that. Most important is to have a well balanced helm. Regarding rig tension, I like to have mine somewhat on the loose side so that the mast can more easily rotate when going downwind. For recreational sailing, it's not a bid deal. sm |
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