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Rock/Boulder Seabed. Anchor Test Video
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- Опубликовано: 22 фев 2023
- For thirty+ years, I have been visiting a lovely anchorage that as a deceptively poor seabed type. In this test, I finally discover the true nature of the problem.
Steve: “I tend to carry oversized anchors”
Me: 😂 Not at all surprised
I was really happy to see this anchor test, based on marginal ground. It was great to see how they more or less equally failed in a way, with these similar sized and weight anchors. In this kind of bottom, it would seem like size and weight matters, and why fisherman rely on Forfjord. It would be interesting to see all the anchors tested in the 80lb range to see if there are differences in performance.
Very interesting tests, thanks again. The tests reinforce the necessity to be better informed about the type of sea bottom we are trying to anchor in.
I wonder if an old style heavy fishermans anchor would do a better job in that type of sea bed? Would like to see a test of that.
Thanks for the info. Because of your tests, I bought a Spade anchor. A combination of great holding combined with the way it perfectly fits my bow. As so easily launches and retrieves. Have had great results with it. Looks like an involved project with the fuel. Very nice boat BTW.
Hey Steve I got something you might think to be hilarious.... I made my own Mooring device and it works like a charm. Only problem is, you have to dig When the tide is low. Now I can sleep all through the night and never have to worry. Oh by the way I do love your videos
A ground anchor?
Great work again. Thanks so much
Thanks for your video. It shows how problematic a difficult anchor ground can be.
I like your conclusion.
Great episode...right decision to release it. Only emphasize the need to dive on the anchor to check it and see the type of the seabed....
Super interesting. More tests in the more popular San Juan anchorages would be cool. Other state park islands and Roche, for example. The tank project looks really cool! Thanks for your posts!
If you have not seen it, checkout this one:
ruclips.net/video/qPVx_U7xZ4w/видео.html
@@flygoodwin I did. Good stuff! I'm learning from your videos that I would like to better understand the difference between soft mud and sandy mud, here in the PNW. 👍
Thnx heaps for releasing this episode. It makes a lot of sense to make test also where the conditions are weird. If one of the anchors should have stopped dragging it would be a splendid success for the type.
In rocky area a (foldable) fisherman with a heavy stock works. Fortress with a 10 kg weight after 10m normal chain - whatever diameter followed by rope, works a treat. However, best to keep away from a rock seabed!!! If the surrounding hills round the anchoring place are brown or black you can bet your bottom dollar you're on rock. (Vulcanic!)
Most anchor test film footage stay above water. This footage of anchors on the sea floor is great. Although there was no clear "best in show" anchor style for this sea bed, the video was certainly informative.
Excellent info for locals. I put a waypoint in the bay with a description of the bottom and a link to your video so I don't blunder into it and get surprised when the wind comes up and I start dragging around at 2:00am in the rain.
I should have mentioned it in the video, but the seabed in some other portions of the bay (away from the head) are muddy with good holding.
Awesome footage; weirdly entertaining thank you!
Would have been interesting to see a Northill and/or Luke/Fisherman's anchor tested in this seabed to see how they fared. Do you think they would have been any improvement holding-wise?
Interesting boat project. That would make a good video series, too.
In case you missed them, below are two films that depict the first 17 years of Panope's refit. I'll probably make "Part 3" sometime this year - stay tuned.
ruclips.net/video/riXNSA7m-bk/видео.html
ruclips.net/video/iL6ZKkeSwaQ/видео.html
Thats why oversized anchors working Better in all dificul bothom, or limited anchorages.
A good tip Weight ballast anchor Will help too.
Great
I was hoping to see a fisherman style anchor ⚓ I'm kinda disappointed
Me too
If had known about the Rocky nature of this seabed, I would have brought along a 50lb LUKE that I now posses. For sure, if I return to this site with the 45lb. range anchors, I will bring the LUKE.
It would have been interesting to see how a folding grapnel anchor would have performed. It has a reputation for having rocky/bouldery bottoms as its only strong point.
I agree. A grapnel test would be interesting. I'll guess that the results might not be much better than these other anchors on account of these stones being somewhat easy to dislodge or simply to be rolled out of the way.
Wondering if it's worth you splitting the "Bunker tank" so you can pump fuel from one part to another and filter/clean it it becomes contaminated.
I am fanatical about keeping systems as simple as possible, so for me, splitting the keel tank would not be worth it. Also the plan already has a separate "day tank" that will achieve a similar "clean fuel only" effect.
A wonderful project with Panope 🛠💥 Looking forward to see the development on the rebuild. What would be the main concerns about placing the diesel tanks as low as this? Inspection? Cleaning? Leakage due to a grounding or collision? Or maybe there are no downsides at all?
Not much concern about leakage because the keel "shoe" plate is very thick (at least 3/8"). But yes, cleaning and inspections are a problem. Really, the only way to get inside for a proper cleaning will be to cut holes in the side of the keel. My plan is to assume that this (keel) tank will be contaminated and to filter the fuel during transfers to the "working" day tank.
Dang, clever. Now I am wonder what kind of LEDs work underwater. I am interested in being able to see the set of my anchor in real time in cloudy water and at night. Of course none of that will work because the signal could not make it out. I assume you used a tethered camera.
Yes, tether attached to the anchor. My system is not useful for checking the set of the anchor because the anchor must be retrieved to view the footage. However, if the tether has a weak link (dental floss) and a separate line leading to the surface (floating line or to a float), then the camera can be retrieved without disrupting the anchor. Alternately, several "consumer grade" underwater drones are now available.
@@flygoodwin Interesting. I think it is easy for me to get carried away with all the new technology possibilities. When I reflect on being anchored, the wind, wind angle, waves, dragging from one type of bottom to another, tides, boats around you, all these things could change at any moment after the anchor seemed well set. This is just one of the dynamics that keeps us sailing after all. Due to your thoughtful response you have earned my first sailing subscription.
What weight should I choose for a sailboat 40 feet (13 tons)?
Best you learn how to use an anchor correctly and with the correct chain length and warp to
How does the weight of a boat (like 20,000 pounds) relate to the thrust test amount you use?
I have measured the anchor rode pulling force of my 15,000 pound boat in 20 knot wind with peaks of about 300 pounds. Other windspeeds can be ROUGHLY estimated by multiplying by the square of the windspeed increase. For example, if the wind speed doubles, the force goes up 4 times. If the the windspeed triples, the force goes up 9 times. Etc.
@@flygoodwin Thanks for all that you do. I recall a couple of times when anchored at Sucia and the anchor (Fortress Fx-23) releasing even in small breezes. You're video help understand why and how I need to change how I set the anchor. That boat is gone now. When I get my next boat, I'll rewatch your videos before I anchor.
50 to 80 % luck
Do you think my 66lb pound anchor would be good enough to hold my 30ft sailboat on this terrain ⚓️
Anchor:
ruclips.net/video/e-918SES3dU/видео.html
It is possible that larger anchors are able to "push" their way into this seabed and develop useful holding power. I hope to return to this site with a batch of 45 pound anchors and test this theory. Stay tuned.
@@flygoodwin really looking forward into that test!