Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [sailing]

For questions related to wind-powered boats

12
votes
3answers
2k views

Specific Chinese carabiner QA?

Several offshore sailors are considering the use of specific Chinese locking carabiners with personal tethers, to keep us attached in violent conditions. Specifically... https://www.ebay.co.uk/itm/...
5
votes
1answer
71 views

How much heel is optimal on a small katamaran in low wind?

I am a novice sailor (at best) and natively German-speaking, so the question might contain incorrect use of sailing terms and further misconceptions - thanks for any pointers in comments. In high ...
8
votes
2answers
136 views

What to do with a yacht when a stronger blast come?

When you're sailing upwind (in close reach) and there comes a stronger blast of wind, how should skipper behave? Should they turn away from the wind (because modern yachts are constructed so that ...
4
votes
2answers
317 views

What is this protrusion on the bottom of the sailboat?

I recently acquired a sailboat and noticed a small protrusion under the starboard side of the hull in front of the keel. Does anyone know what this is? The boat is a 1976 hunter 25. I have not put it ...
8
votes
2answers
118 views

What is head/lift indication in a digital compass on a sailboat?

A simple explanation would be great. I am reading a manual for digital compass and there is a paragraph with the following words: The SpeedPuck automatically detects when a sailor is trimmed to a ...
5
votes
3answers
106 views

Will a Sunfish mast and rigging fit any other dinghy models?

I find myself in possession of an extra set of everything Sunfish minus the hull. I was wondering if any of this gear would fit any other models of small craft, or if I absolutely need a bona fide ...
6
votes
1answer
108 views

What are the differences between boats and “ice yachts”?

A comment on a different question suggests that an ice yacht (or iceboat), a boat made for going over ice instead of through water, is not merely a water boat with skates strapped on for ice, but that ...
4
votes
1answer
137 views

What do the numbers on a sail boats sail represent?

Many but not all sailboats have numbers displayed on their sail, what do those numbers mean? I am looking for a general answer, not one specific to the random example image below. example image from ...
4
votes
1answer
151 views

Does “Ice Sailing” Count as Boating?

As seen in the picture, this sail boat is sliding over ice rather than sailing through water. If I were to try this ice sailing, would I need to follow boating regulations? This might not be the ...
7
votes
3answers
177 views

How to “pump” my sail to go upwind or when becalmed?

I see lots of mention on sailing forums about standing on the bow and "pumping" the sail on a sunfish or other small boat to get going under your own power. However, I can't seem to find any videos ...
1
vote
1answer
231 views

Beginning sailing

Assume I am completely naïve about boating concerns, that I know the following: There are things that float and carry stuff across the water called boats. A boat needs something to make it move. Some ...
6
votes
1answer
98 views

What should a beginner look for in a sextant?

I have an interest in sextants and how they work, mostly from reading the Horatio Hornblower novels. I know that sextants are still sold, and while I am sure that are not nearly as precise as GPS is ...
8
votes
2answers
176 views

Contacting a yacht on IJsselmeer (Netherlands)

I'm going on a long sailing trip in Netherlands. I would like my family to be able to contact me in case of an emergency, but we'll be outside of mobile network range most of the time. Along the ...
5
votes
1answer
111 views

How did/does shrinking canvas effect sailing ships?

When canvas gets wet and then dries, it shrinks. Sails get wet from rain and from spray, and it was even done on purpose to increase the speed of sailing ships. For canvas tents, this has to be taken ...
5
votes
3answers
118 views

When a sailing ship is pursuing another upwind, why does the distance gained to windward matter so much?

In one of the Hornblower books, "We're weathering on her" said Hornblower; his eye was aching with staring through the glass, and his arms even were weary with holding the telescope to his eye, but ...
6
votes
1answer
119 views

Is there a point at which one is committed to a tack?

In the same Hornblower story that inspired this question, Hornblower tricks the French captain by acting as if to tack, but stopping and swinging back. When the French try to do the same they are ...
9
votes
3answers
310 views

How do you determine the optimum time to tack?

In one of the Hornblower novels, he is being pursued by a French frigate on the first day of war. During the chase, both the British and French ships are sailing upwind, and it is mentioned that the ...
11
votes
3answers
320 views

What is the purpose of being close-hauled when sailing upwind?

When referring to a sailing boats course relative to the wind there are some clearly defined terms like "beam-reach", which is exactly perpendicular to the wind. A broader range like "close-reach" is ...
9
votes
1answer
148 views

Do square-riggers also use 'aircraft-wing-style' propulsion?

These questions (one, two) about sail wetting/trimming raised another question for me. Disclaimer: I'm at best a novice sailor, and I've never sailed on a square rigger. As far as I understood (see ...
11
votes
1answer
235 views

When trimming my sails, why would I want them to stand flat, versus having some belly?

The other day, this question (Why did wetting down canvas sails increase the speed of a sailing ship?) was asked regarding the historical practice of wetting down sails. The current answer quotes ...
10
votes
1answer
1k views

Why did wetting down canvas sails increase the speed of a sailing ship?

In some of the Horatio Hornblower novels, when they want to get the last bit of speed out of a sailing ship, the crew will wet the sails down in order to go faster. For a real example consider, ...
6
votes
1answer
115 views

What's the hardest wearing multibraid rope type?

I'm looking to replace the line in a traveller on a catamaran and I need a very hard wearing sheath due to the nature of the setup. Is dyneema the way to go here?
3
votes
1answer
223 views

Sailing from the Wash, UK to France during World War II.

Would it have been possible to sail a small boat from The Wash, Norfolk, UK to Dunkirk in WWII? Could it be done in one go? If not, where would you stop en route?
9
votes
1answer
232 views

Is it legal to sail a personal-size boat in the ocean in Massachusetts during a thunderstorm?

When I was younger, during the late 1960's and 1970's, my Dad had a personal-size sailboat, called the Sunfish. He loved it because it was lightweight, easy to sail on his own, and had room to ...
10
votes
2answers
305 views

How to manage the sail of a sunfish when paddling?

The sunfish is a small sailboat with a lateen sail. Realistically you can not raise the sail while in it. Usually raising and lower the sail is done at shore. It is occasionally necessary to ...
8
votes
1answer
176 views

Would waterproofing Styrofoam in a boat make water retention better or worse?

In theory Styrofoam is a closed cell product meaning that is water proof. In practice it tends to absorb and hold water It can take months to dry out very saturated Styrofoam. As a rule Styrofoam ...
8
votes
1answer
126 views

How often should I change the lines and sail attachment rings?

Last fall I bought a sunfish, best I can tell is built in about 1974 (43 years ago) and has all original sails, sail rings (hold the sail to the spars), tiller, etc. Everything but the lines seem to ...
8
votes
2answers
573 views

What and where is the builder's plate on a boat?

What and where will I find the builder's plate and CE marking on a boat in Europe? The CE marking obviously does not apply outside of Europe, but has anyone seen one of these and if so, where should ...
11
votes
2answers
289 views

Do raw eggs need to be rotated for freshness on a long voyage?

Last night I watched a film about a crew that sailed from New Zealand to Patagonia, with a stop in Antarctica, taking over two months to do so. One of the things that caught my attention is when ...
13
votes
1answer
464 views

What type of trailer do I need for my Granada 24 sailboat?

I'm about to get a Granada 24 sailboat and I can't really figure out what type of trailer I need. It would be awesome if someone could explain to me what I need to know to choose the right trailer. ...
8
votes
4answers
190 views

What should I look for in a used wet suit?

I am considering getting a used wet suit for sailing and canoeing in the early spring and next fall. What should I look for? Based on the related Q&A below, it looks like I will want 6-7mm (1/4 ...
5
votes
4answers
667 views

What do you call it when a sailboat starts to have trouble? [closed]

When you are in a sailboat, and you start getting gusts and choppy water, how do you describe what's happening to your boat? Can you say that it starts to "flounder," or is there a better word?
6
votes
2answers
787 views

What does “hull weight” include?

I am looking to purchase a small sailboat, and want to know if my girlfriend and I could lift the bare hull minus rigging to cartop it. Specs variously list the displacement or the "hull weight". I'...
12
votes
2answers
143 views

Avoiding microbial contamination of diesel fuel

I have a diesel powered sailboat. What are effective ways to avoid microbial contamination of the diesel fuel? And what do you do if the fuel becomes contaminated? [This question originally asked by ...
7
votes
3answers
654 views

How can I prevent a fiberglass crack in my sailboat from getting worse?

There is a crack about 12 inches (30cm) long on the edge of my Sunfish sailboat. I am not sure if the crack is all the way through the fiberglass, or just the gel coat. It is on the corner between ...
8
votes
1answer
129 views

How is underdeck rigging done?

First: I am not a sailor. Sail boats usually have a lot of lines, block, cleats, jams, travelers and what not on their decks to control the boat and sail system. This looks like a cluttering mess on a ...
2
votes
2answers
323 views

When does a Rope become a Line? [closed]

As pointed out in a comment by cobaltduck in the question What type of rope to use for the mainsheet of sunfish? the proper name for rope when used on a boat is line. If I go to the store and buy a ...
10
votes
1answer
757 views

What type of rope to use for the mainsheet of sunfish?

I need a new mainsheet (the rope that controls the boom on the main sail) for my sunfish. Many of the online sailboat stores, are selling 8mm FSE Orion for the job. My local Hardware store does not ...
6
votes
1answer
859 views

Drain plug replacement for DePersia Bailer on Sunfish Sailboat

I have an early 1970's Sunfish with the old style DePersia Bailer Ad from 1957 The plug is missing I have searched and it appears the old style old style DePersia Bailer is no longer made, the only ...
8
votes
3answers
280 views

Portable ladder for sailboat?

I have access to a 23ft Sonar sailboat that isn't mine. It's pretty difficult to get back into after going for a swim. Can anyone recommend a type of portable ladder I could bring with me when I use ...
4
votes
3answers
332 views

Alternative Gooseneck options for small home built sail boats

I am planning a homebuilt sailing craft that uses a sail similar to the Sunfish (image below) I have seen a few homebuilt sails that use metal electrical conduit for the mast and spars, and am working ...
15
votes
1answer
312 views

How do you stabilize a sextant for use on a boat in rough water?

Using a sextant to get accurate angle measurements is tough on moving vessel. It's even harder when the waters are rough. Is there a technique that is most useful in stabilizing the device and/or ...
17
votes
2answers
769 views

Swimming while in the high seas

When sailing, can the passengers of the yacht safely go swimming while in the open seas? That is, when some miles away from the coast-line.
12
votes
3answers
526 views

What are the main disadvantages to a kiteboat in terms of long distance bluewater sailing?

A kiteboat is essentially a boat that uses a kite instead of a sail for propulsion. This seems like an intriguing concept, and an interesting alternative to the traditional sailboat designs. As ...
11
votes
2answers
779 views

What is the hand-pedal device called on an Open 60 sailboat?

Open 60 sailboats have a pedal-looking control in the middle of the cockpit. Does anyone know what it does and how it works? Image source: https://feelinknotty.files.wordpress.com/2011/08/dsc_0721....
7
votes
2answers
154 views

Maxi Yacht: How do the keel and the hull align when heeled over?

Modern racing Maxi Yachts are shaped like a wedge of cheese. The keel is aligned axially with the centerline of the boat. When the boat heels over in the wind, the outer edge of the hull is the only ...
6
votes
2answers
819 views

What's the best way to remove layers of bottom paint from a sailboat hull?

What is the best / easiest method for removing multiple layers of ablative bottom paint from a sailboat hull? I have acquired a sailboat which has 3-5 layers of different bottom paints. I want to get ...
11
votes
2answers
1k views

What is the aspect ratio of a keel and how does it affect your how your boat sails?

I have heard of aspects of sails and keels, and it seems that taller skinnier sails and keels have this higher aspect ratio. What is it and what does it do for your sailing?
6
votes
2answers
473 views

Difference between full keel and fin keel?

What are the performance and behavior differences between a full keel and a fin keel on a sailboat, and when would I want to choose one over the other?
11
votes
1answer
471 views

Identify this sailing insigina

I recently inherited a small sailing boat similar to a Sunfish (roughly 12'x5'). However, I'm pretty sure it's not a sunfish, and I'm trying to identify it by the insignia on the sail. Does anyone ...