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2018-09-04; 11:53:07 EDT
Member Since
2008-12-25
Posts: 1035
I finally know what the lazarette is for. RickSee the original archive post
On Mon, Sep 3, 2018 at 5:19 PM Stan Spitzer <stan at rhodes22.com> wrote: > > I generally try to stay away from List/Boat discussions for a host of > reasons; including the fact that I am an undergraduate seat of the pants > sailor so most Rhodies are more technically positioned than I. However, > in honor of Alex and as a dose of home therapy, I'll offer a few unasked > for comments re Rhodes sails and related hardware. All with a little > selling on the side: > > IMF masts (only available from GB) want to be straight and set > perpendicular to the water line. You will note a minute extruded groove > in the mast's leading edge. If you rest your head on the cabin top and > sight up this 26' long groove, you can adjust your stays to transform > this groove from a curved to a straight line. > > The Rhodes has 9 stays, a record for this category boat. This eliminates > mast pumping. Adds a degree of reserve safety as in Chris's Med. > misadventure. In most boats our size, if a jib stay (forestay) gives up > its job, there is nothing to stop the mast from falling back and > bruising the boat. Of course, if you are fortunate, the mast will make > a soft landing on your guests. The Rhodes 9 stays also allow for the > straight mast, needed for IMF. > > 6 side stays (shrouds) need only a one time adjusting of their > turnbuckles, which should be done by *Hand*. With the mast straight and > perpendicular, all 6 shrouds are tightened (worth repeating) by *Hand*. > When wind hits the sails and heels the mast, the 3 appropriate shrouds > automatically tighten the precise amount needed to take the hull along > for the ride. Over tightening these 6 shrouds drives the mast down into > the boat, distorting hull shape, possibly even trapping a guest in the > enclosed head. > > Adjusting the jib stay and double back stays, is another story. For jib > sail efficiency you need the jib stay to be as straight as can be. With > the Rhodes mast head rig design, this is quickly and easily doable by > drawing the two back stays together with its rapid tension adjuster 2:1 > mechanical advantage built-in set up where its pulling line then secures > to one of the 2 idiot proof tiny cleats on each outer corner of the > transom. "Idiot proof" because only one cleat is used. Should you > attach the back stays in reverse at the mast top, no need to lower the > mast; the opposite transom cleat is ready for use. You undoubtedly will > come up with a creative use for the unused cleat. > > The Rhodes points amazingly well. Here are the issues a > boat-blaming-skipper needs to be tuned into: > > The Rhodes proper, lasts beyond a life time. Its sails of cloth, do > not. Sail shapes, and thus efficiencies, change. Racing extremists get > new sails each year. Relaxed Rhodies can let the next owner make a new > set decision. The point I want to make clear here is that saving a few > dollars to have sails made by a local sailmaker or a Doyle franchise > loft is fine, as long as you don't then turn to GB with furling or > performance faults. The shape of the Rhodes IMF main has been designed > by GB and is manufactured to GB's specs. Rhodes IMF mainsail is > specifically designed to work with the IMF's internal furling mechanism > and it being hard connected to the Rhodes boom outhaul car; all only > available from GB. If you bought a used Rhodes or had new sails made > for your Rhodes by a noted loft, you will not be getting the same ease > of operation or sailing performance of the collective original > manufacturer's IMF system... Just something to be aware of before making > any dollar savings trade-off call. > > The jib sail should be connected to its furler so that its end pressures > allow a smooth leading sail edge while not causing a crease in its > fabric slightly aft of its luff. Rhodes furling jibs have some sort of > an additional filler strategically positioned along the luff to help > reduce excessive sail draft when being used partially reefed. Using a > 175 reefed to 130 vs a 130 fully deployed, the 130 is the better sail. > The downside being it can't get bigger for lighter airs. The bottom line > is probably for non racers to go with the sail size that would get the > most use based on the more prevalent wind velocities they sail in. > > Your Rhodes should have 3 separate jib sheet leads hardware systems as > part of your boat and readily available for either tack. This unique 3 > leads availability is what contributes to greater pointing ability by > allowing the jib sail to be trimmed progressively closer to the boats > centerline. When employing a genoa size that has to pass outside > (beyond) the end of the mast spreaders, the sheets can only be routed > outside of all 3 shrouds and used with the gunnel genoa cars on the > genoa tracks. While delivering maximum driving force, pointing is > limited by the limited degree the jib can then be trimmed towards the > boat's center line. With the jib reefed so its leech falls just short > of reaching a spreader, the in play sheet routs inside of the mast-top > shroud to a cabin-side fair lead and cam cleat, for markedly closer > pointing. But wait. If you act right now the Rhodes offers a third > lead positioning for amazing pointing ability. The sheet routs inside > the upper shroud *and* inside the aft lower shroud to the large fair > lead and cam cleat on the aft cabin trunk top. In all of these > different lead positions you should take note of a diagonal stripe on > the sail itself, that runs to the sail's clew. This is your guide for > having the angle of the jib sheet being set as close as possible to > being a continuation of this sail marker's angle. > > In response to the coming about jib thinking, mine is, the wind is my > friend. I do not release the jib sheet until the boat has come about far > enough for the wind to have stated backwinding the genoa so that wind > force is now great enough to propel all that material past the mast. To > aid my friend I slacken the released jib sheet so at no point will the > sheet itself be working against our common goal of aiding in the big > guy's struggle to make it to the other side. Of course if an > enthusiastic helping deck hand prematurely starts pulling on the > opposite sheet, there is the lazaret brig. This is a job for the wind. > If the wind is not up to it, then the calmer situation allows for simply > partially furling the jib and unfurling it back to its full splendor > once on the new heading, where you will appreciate its huge size in the > calmer breeze. > > A General Boats IMF mainsail's clew is designed to remain close to, and > continually parallel to, the boom. This is critical in making the clew > hard-attached to the outhaul car so that space between sail and car does > not vary (as it does in other systems). This unique GB design insures > that no matter the draft size you set in the main sail, the sail remains > in the same plane as the boom. This improves pointing even more since > it gives more meaning to the basic value of a traveler, which is to > provide as straight as possible downward force on the sail's leech to > remove as much twist in the leech as possible. The GB new traveler > system works with the latest GB outhaul car design to advance the IMF's > revolutionary closing in on sailing perfection. The IMF internal > furling mechanics are so simple and bullet proof, it requires no > maintenance and will last a life time. If the sail or its mounting on > the IMF furler is not an issue, an errant IMF system invariably turns > out to be the result of external expert intervention, luckily reversible > by internal experts. We had a call for a mast replacement from a yard > that had inadvertently bent a customer's mast. I explained to them that > if they bent the mast to that degree, they needed to replace its > interior. They insisted the furling parts were OK. No need to tell the > rest of the story. You can't have one without the other. > > One of our slogans has been, and remains, if something on a Rhodes does > not work easily, best to look first at all crew hands (or feet). > Furling the main isn't working? Release the quick outhaul release that > is so easy to release it is forgettable. I know. Taking out the main is > this time beyond your strength? Take your foot off the black outhaul > line you left on the cockpit floor. I know. I know. > > Of course everyone knows how delightful it is sailing with the pop top > up. But sailing with it down does increase /all aspects of sailing > performance/ by allowing the lower level of the boom to position the > sail's center of effort closer to the water line. > > I know you all know all of this stuff, but if there is one sailor out > there who finds one thing new to her or him, all this verbiage was > probably worth it. > > stan > > > > > > > __________________________________________________ > To subscribe/unsubscribe go to > http://www.rhodes22.org/mailman/listinfo/rhodes22-list > > For the list Charter and help with using the mailing list and archives go > to http://www.rhodes22.org/list > __________________________________________________ >
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