Hot answers tagged

40

Executive summary: All else equal, a longer boat will have a greater hull speed. A greater hull speed means less drag and hence greater speed for a given amount of "paddling effort". Hence, longer kayaks can be said to be faster than shorter ones. The bit you're missing is that boats make waves, and these waves can make it harder to go fast. Selectively ...


27

The narrower the beam, the less paddling resistance the boat will have. For any given weight capacity, the longer boat will have a narrower beam. (The widest part of the boat, where the paddler sits) The benefits of a narrow beam far outweighs any additional surface drag that might occur from having a longer water line. One of the ways this is ...


24

Theoretically, it might be possible to survive on fish, rainwater and desalinated seawater. In one 1930 experiment, two men survived for a year eating exclusively meat without experiencing any health issues. This indirectly suggests that meat (and therefore possibly also fish) contain all the essential nutrients, but this was a small and relatively short ...


21

Tides are generally not surprising - they do not change much in amplitude from one day to the next, and the peaks happen slightly less than an hour later each day. The amplitude of the tides mostly follows the phase of the moon. The highest tides happen on the full moon and the new moon, with slack tides in between. Tide tables are useful for predicting ...


20

Upstreampaddling can be very exhausting, but in genereal it's more predictable than paddling downstream. I got my knowledge purely out of experience and not out of books, i paddled down the whole Rhine and in the process of it i had to change direction a few times, so i'll try to provide you with a rundown of the essential learnings. A River just flows ...


20

As someone that lives, works, and plays in a coastal area in Florida, I can say that I qualify as a local. The answer is nearly never. You would hardly ever be surprised by the tide. It becomes a lot like being surprised by the position of the sun. You may, on occasion notice it's later then you thought it was, but the "fact" that it's later isn't a big ...


19

The expensive way is to get a harness lifejacket. The cheap way is to fit a crotch strap to a lifejacket (type 2 pfd), this is a standard part and I believe most lifejackets have fittings for one. By your description I'm assuming in this case that you actually mean a buoyancy aid (type 3 pfd) rather than a lifejacket, but you can still follow the same ...


18

I want to rent a boat (not a pontoon, but one with a sleeping area, bathroom etc.) which I can use for an overnight stay in open ocean. I am an absolute beginner about boats and don't know anything besides that boats run on water. For virtually all skill levels this is a very poor idea. You should not under (almost) any circumstances spend the night in the ...


18

White caps are named for the white caps at the top of waves. White caps are sign that the wind is picking up and that the weather conditions are getting worse and look like this at low wind levels. Source By the Beaufort scale these start happening at between 7-10 knots. Its even more dangerous if you are in a canoe as the wind can flip you. Wind and ...


17

With a large enough canoe, you can simply put the bike in the canoe, albeit somewhat precariously. What's more common though is for people to bike their canoe to an input, lock up the bike on shore, then return to it. A good alternative is a folding bike. They're not as efficient to ride for long distances, but can easily be fit inside a canoe. For just ...


17

There is already an answer that gives the basics, and this official page from the Coast Guard adds several details, so here is my summary. The system of ratings for Personal Flotation Devices (PFDs) was developed jointly by the United States Coast Guard (USCG) and Underwriters Laboratory (UL) and has been in use for many decades. USCG had announced they ...


16

Thank you to nhinkle who posted the answer that showed it is possible to put a bike in an canoe. I have something over 100 miles of canoeing with a bike and a dolly in my canoe now. I started with the bike and the dolly laying in the bottom of the canoe. But it took up lots of floor space and everything tended to get tangled together. I put the dolly in ...


16

These are main things that you would do. For most flow: Paddle upstream: What you'll do most of the time when there isn't much flow. Eddy-hop: Moving between the relatively still/upstream flowing parts of the river - they usually occur around bends at the sides of the river, outcrops rock in the middle of the flow or sides or, at nodes in waves(and the ...


16

I think the best bet for a person without arms (assuming we aren't talking rough water/offshore use) is a type 2 life jacket. Specifically the type that look like an oversized bib. These jackets don't rely on arms to secure them to your body, and will generally allow conscious people to remain face up without much effort which is nice if the wearer is ...


15

Set the anchor by reversing the engine until the anchor chain is tight, and then run the engine at medium speed to make sure the anchor has dug in. You can watch a GPS to make sure the speed is around zero (and the anchor is not dragging) when you're doing this. However, if the tide and/or wind changes, it can pull out a set anchor. If you use a LOT of ...


15

You've got quite a bit of study before you are ready for this kind of voyage. I am not how far off shore "open ocean" means to you, but if it's anything beyond swimming distance to shore, you're going to need more training. What is the kind of boat called? Generally it is called a bareboat charter. To my knowledge, most bareboat charters are for sailboats. ...


15

I would suggest not sleeping on the boat. Apart from the safety issues this will bring up - the boat could slowly lose air, or could start drifting away, the water could rise, ... - it will not protect you against wind or rain. So in any case, the least I'd suggest for you to get is a good tarp or a rain-proof bivouac sleeping bag. A tent is obviously even ...


15

It is a 'on-station grinder', a centralized station for turning the winches of the sheets (lines) attached to the clew of a sail. They are multi-speed, meaning you can have a serious mechanical advantage (5, 10, 15, 30:1) under dire conditions that a 2-speed winch with a handle simply can not work unless you have Arnold on board. And even then... Generally ...


15

According to Wikipedia, a paddle is held by the person and an oar is connected to the boat in some manner, such as a rowlock.


14

There are a few fundamental differences between oars and paddles. One main difference is the position of the user relative to the direction in which the vessel is moving. Oars are used to propel the boat in the opposite direction from the direction the rower is seated. Therefore, the person who rows the boat travels backward. Paddles propel the ...


14

... can someone gather/hunt/farm all of the nutrients required to be healthy whilst never having to land again? Nutrients yes, healthy not likely. A 1000 days is a grueling journey. Reid Stowe, whom used to have a website called (Beyond) 1000 Days at Sea: The Mars Ocean Odyssey, lived at sea (without contact with land) for 1,152 days (equals 3 Years, 1 ...


13

If you want to remain stationary, you need a solid anchor, and the best option is going to be to attach to a tree or something that you can securely fix to on the bank. Not knowing that river, I can't say whether that would work or not, so I'll discuss anchoring to the bottom. This is the same procedure for anchoring in a tide or a river, except in a river ...


13

Ay-yi-yi! This is a very broad question, a true answer to which would probably require a PhD in hydrodynamics or years of relevant engineering expertise. Note that the interplay between these design characteristics can be very complex and depend greatly on the exact conditions (flat water / waves / moving water / rapids / ..., skill of paddler, travel speed,...


13

As a general rule, yes Consider a boat weighing 20kg, a paddler weighing 80kg. You're now displacing 100litres of water, the way in which you displace that volume has a lot to do with how easily the boat will handle. If you choose to displace it as a wide cylinder on a vertical axis you will have high maneuverability and low forward speed. If you ...


13

As well stated in another answer, whitecaps (the white tips of waves) are a visual indicator of local wind speed over the water. Just wanted to add emphasis that whitecaps, as an indicator of wind, will often appear before the local formation of the sort of short, steep waves (aka “wind chop”) that can be challenging for canoes and kayaks paddled by people ...


12

I think this site might have the answer for you. Main points there are: Protect against Hull Damage & Distortion. Do not let the kayak to bend, distort, and getting damaged. Protect from Harsh Weather, Sun & Other Elements. The kayak is usually made out of materials which don't resist the sun infinitely, better to protect them from direct sunlight ...


12

Wile the faint of heart might find this answer disturbing, Yes it is fine to sleep on an inflatable boat, if it is durable thick rubber like a Zodiak. I have done so many times, and find it quite relaxing even on the Rappahannock and Potomac rivers. These after all are life raft level construction. You are actually safer in a boat on the water than in a tent,...


12

You most definitely want to be selective when selecting rope for a sailboat's running rigging. I'll group sailboats into two categories: racing and non-racing. Racing sailboat is simply any boat where it participates in a race, not any particular construction. For racing sailboats, you will want to stick as close to the manufacturer's specified lines, and ...


12

For the specific question of drifting on the Great Lakes, doing so is effectively suicide. First, there's the matter of traffic. The Great Lakes are a major shipping lane, with upwards of a hundred lake freighters, numerous ocean-going freighters, barge traffic, and other ships traveling at all times -- not counting small private vessels. There's a very ...


Only top voted, non community-wiki answers of a minimum length are eligible