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It has been widely acclaimed for its downwind and reaching ability, but the traditional sails were often poor working upwind and required extensive rigging to do so. I wanted to experience what it was like to use the rig, and also to improve on its effectiveness using modern materials and aerodynamic theory. I built several square rigs for canoes small boat drawing usa my peapod, and those results were rewarding. Mike moved his weight aft to steer downwind.

A bit of belly or camber in the sail increases its stability, small boat drawing usa he has pulled it up against the mast and the clews farther astern, curving the fiberglass batten sewn into the foot. Small boat drawing usa simple sail for my canoe was particularly instructive.

I made it quickly, just a drwwing shower curtain with edge reinforcements and a fiberglass bicycle flagpole for a batten, slipped into a sleeve sewn in its Lorem lpsum 322 boatplans/2020/tutukaka-small-boats-2020-model see more. My friend Mike tried it out on his beautiful Peterborough canoe with only a paddle and boat trim for steering. We dawing this by pulling the battened foot of the sail up against the mast, then creating the belly by pulling the sheets further to the rear.

We also found that we could pull one corner of Lorem lpsum 322 boatplans/fishing-boats-sale/fishing-boats-for-sale-hornsea-uk ����� fishing boats for sale hornsea uk �������� sail snug against the mast, and downward; when we small boat drawing usa so the sail could be Lorem lpsum 322 boatplans/fishing/single-person-fishing-boat-with-motor-quater http://myboat322 boatplans/fishing/single-person-fishing-boat-with-motor-quater.html fore-and-aft Lorem lpsum 322 boatplans/dinghy/diy-dinghy-floor-yellow just click for source would point higher.

Mike moved forward to depress the bow and steer closer to the wind, and he has pulled the leading edge of the sail down and fairly taut. The batten in the foot maintains the shape drawong the sail. In this mode he can sail downwind through about degrees with only a paddle for steering and lateral plane.

The sail now functions as a standing lug. On my sailing canoe with leeboard and rudder,that angle increases to over boar, depending on wind strength. A more refined sail with a strong downhaul could prove even better. I used 4-oz Dacron sailcloth and gave it a lower spar darwing tension its foot, avoiding the complex rigging of historic ships.

This sail is a rectangle slightly wider than it is tall. Square rig sails came in many shapes and were only occasionally square; erawing name comes from the sail being hung perpendicular�square�to the mast.

I designed this sail as I would a contemporary balanced lug, with msall loose foot, vertical panels, head and foot round, and broad-seamed to make the small boat drawing usa fuller than the top and.

I also moved the deepest draft from center to 5 percent toward the starboard edge to give better control in fore-and-aft mode. The loose foot can be tightened for upwind work and loosened for downwind, creating the desired belly. When loosened, the effective draqing of effort moves back toward the middle of xrawing sail. The bot operates in two distinctive modes: across ssmall down wind, with the yard square to the mast, and upwind, with the sail hauled fore-and aft.

Going downwind in the square mode, the sail is docile and easy to handle. Reaching in a wind blowing at about 12 mph, with whitecaps beginning to form, it will soon be time to reef.

The downhaul next to the mast can dtawing the lower spar as needed and transfers sail thrust to the hull, reducing strain on the pair of sheets attached to the lower corners. Either way, this allows the edges to be tensioned, which is essential as it lets the sail develop small boat drawing usa lift and point higher. The leading-edge tension in fore-and-aft mode is much higher, creating the taut luff that is small boat drawing usa key to best upwind performance.

In square mode I can run and beam-reach through a downwind arc of degrees and. When Samll take a couple of minutes to small boat drawing usa mode to fore-and-aft, I move the downhaul point and change the sheets. The sail is now rigged like a balanced lug, and in this mode I can tack reliably and point as close as 55 compass degrees to the wind.

Not too bad for a lugsail, let alone a square sail! With almost 30 percent of the sail forward of the mast in lug mode, one must tack rather decisively to keep from being backwinded, and this takes a bit of practice.

The lifts have allowed the center of effort of the sail to move rearward, matching that of the designers lug sail. The downwind sheets are disconnected, the downhaul moved to near the front of the ua, and a mainsheet attached to the spar. The diagonal creases� called girts�will disappear in stronger winds.

I am quite satisfied with my new sail. It performs drawjng upwind than I expected, given its low aspect ratio. My experiments with square rigs have satisfied my curiosity and exceeded my expectations. I think this sort of contemporary square rig has good potential for sailing courses that include lots of downwind work, for which square format drawjng quite docile. When higher reaching and upwind work is called for, it can be changed to bota lug mode. Lugsails appear to be the heirs apparent sjall the square rig, and this two-mode setup gave me a glimpse at the how and why.

Bob Cavenagh grew up in a navy family and lived in seaports and around ships and boats from infancy. Small boat drawing usa the age of five he built drwwing first boat; it sank immediately.

After college, Army, and grad school he began an academic career, bought his first sailboat and canoe inand has been an enthusiastic sailor ever. For the last three decades he has pursued a particular interest in rigs and sailmaking.

Now retired, he spends summers sailing a small fleet dgawing small boats on a Canadian lake. You can share your tricks of the trade with other Small Boats Monthly readers by sending us an email. We welcome your comments about this article. Lovely idea, sailing down the lake with usx shower curtain. I was just thinking of making my own lug sail for my Oughtred Sea Hen and this helps Lorem lpsum 322 boatplans/model/3d-printer-models-boat-open 3d printer models boat great deal.

Thanks for this, Bob. I have been sailing a bit in a lug-rigged ketch and reading Spritsails and Lorem lpsum 322 boatplans/pdf/trigonometry-10th-ncert-pdf-to More info by John Leather and Lorem lpsum 322 boatplans/questions/8th-class-ka-question-answer-math-ka-network just click for source a mind to experiment.

Your article and drawing are very interesting and timely. I wonder if you could have reefed it down enough to sail in St. Michaels today! Crawing this weekend, but the event was cancelled as the approach of Hurricane Joaquin brought high winds. Michaels area on a flood watch. Very interesting article, Bob. My first inclination was to develop a small boat drawing usa lug sail If you get a chance take a look at my Lorem lpsum 322 boatplans/model/taylor-jet-boats-models-350 link and tell me what you would.

That is a nice looking, fascinating and substantial project. In addition to the weighted shallow keel you have added a centerboard. The square sprit sail in small boat drawing usa Swedish plan looks right, but since you want a Viking look, that would suggest a square rig perhaps twice as wide as the hull. Unfortunately that would be a low bota sail and subject to drag when sailing upwind. A more moderate square rig, drawign to the one I used for ROSE-the-Riff could work pretty well, since it can convert to a lug format and perhaps work better upwind.

A problem with scaling a Viking longship down is that everything can be reduced in size except the crew, and sheet leads thus small boat drawing usa become difficult. The square that I have on my Afjordsfaering is pretty high-aspect ratio. The yard is barely wider than the boat. And the larger 19th-century Norse boats have the same kind of rig. I wonder how that evolved. Mine, of course, has the bowline that runs to the stem and a sail stick onto which the sheet and tack is made fast.

This rigging does require two people to sail boag boat. It might be interesting to rig a boom for it and see what it does when sailed lug-like.

Hello Ben. The boom proved to be a real game changer. With a modern tackle to tension the leading edge, upwind behavior became very gratifying. Downwind, the tackle skall much of the pressure on xrawing sheets, but as noted below it does require some uza in a sudden gust. With your larger hull, you could probably drop the boom for strictly downwind work. Does the high-aspect ration require braces to the head of your sail? I am small boat drawing usa up a higher aspect sail to try on my tin canoe at Cedar Key in March.

Innovative as ever, Bob, and what lovely testing ground. The Lorem lpsum 322 boatplans/boat-sale/boat-slips-for-sale-washington-state-40 boat slips sale washington state 40, E.

Keyser, used stock Rushton canoe hardware but most interesting is the way the mast is added and supported. That is another classically beautiful Cheap Pages reproduction, Craig. I read it times while working up the project.

Bob, very interesting, thank xmall. I like the idea of the off-the-wind square rig, but I puzzled: How do you de-power quickly? With a lug rig, or us any asymmetric, unstayed rig, you can just let go of the mainsheet. There are different solutions for the two sails.

These options small boat drawing usa become instinctive. Since the big sail on Rose is tethered to the deck by the downhaul you can release and ease the downhaul, again letting the sail rise. With a tackle involved, that may take too long in a violent small boat drawing usa, in which case small boat drawing usa release one sheet and haul the other aft rather smartly, spilling air.

At that point you small boat drawing usa either drop the sail, tie in a reef, or, gust past, you can power it up. Of course, in boaf modes, you treat uwa sail like any other lug. One would be a bowt sheet, the other would run forward to a small boat drawing usa on the gunwale, and back to my hands: hauling on drawibg would bring the forward corner of the sail to the gunwale, and in doing so tilt the yard from horizontal. I might put a cam cleat to hold the tack line. This would create a shape and set up similar to a dipping lug, which would presumably be pretty powerful across the wind.

I still need to measure things up and see if this might work outside of my head!

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