2flit
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Posts posted by 2flit
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More Questions and further exploration.....
So after 45 days in the Northern shores up around Whangaroa and such..... (and more time idling in the Bay of Islands)
We are headed for Great Barrier Island and the Coromandel Peninsula - And at the risk of being repetitive - Does anyone have advice for a good cruising book for this region?
The Thatcher book that FISH and Panther recommended was excellent (you do pay for what you get!). And I still am so very thankful for all the great suggestions that everyone else made.... occasionally recalling the seed sewn charts from John B .
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I am haunted by this story of agony, grief, death, and despair. What incredible sadness 😥
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2 minutes ago, CarpeDiem said:
The right of innocent passage [...] must be continuous and expeditious, but includes stopping and anchoring in the course of ordinary navigation, or [...]
^^^^
That's taken from an NZ Government document in reference to foreign ships anchoring at the Kermadec Islands while exercising their right to innocent passage.
I would suspect, that dropping anchor, while waiting for the the wind to change direction to move a gazillion ton ice berg, would be considered normal navigation.
nice, great work... do you have a link to the entire document and a page citation if needed? Thank-you for the post
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1 hour ago, Tamure said:
.........
- His intention to pass through without making landfall
Yes, but I think he is technically making a 'Landfall' if he is anchoring on Canadian soil. At the CAN/US border along the strait of Juan de Fuca, and in the Rosario Strait... I believe that in normal (non-Covid) times that an American can transit, but is not allowed to lay anchor. The act of putting down an anchor has been regarded by other countries (that we have had to enter) as being illegal until a formal entry is conducted.
I might tend to view this differently if he was making a non-stop passage, but because I have read that he is anchoring and if true, the guy is violating Canadian Law.
This is also a big deal for Canada because this will become a passage for oil tankers thru a pristine Canadian wilderness area. Just think about what has happened this August with the oil tanker running aground in Mauritius do to operator error and a desire to get closer to land for the crew to use their cell phones!
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11 hours ago, Island Time said:
This looks pretty good as well as the pt11. Plans are 80 euros.... http://www.metzboats.de/htm/designs/dinghies/mebo12/mb12.htm
The roller reefing mainsail with the vertical battens looks nice, as well as the extra 12" of hull length. The PT-11 is really too small to get two normal size people in there when sailing. I wish the Mebo-12 didn't come with such a weight penalty (50kg hull and 64 kg all up). Judging from the other designs, he knows how to design a good hull form for sailing.
Anyone have one have one?
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On 18/08/2020 at 3:56 PM, darkside said:
But back to the thread it's all pretty academic at present, after all, where would you go?
Not that all these places are easily reachable or ‘safe’ but here is the list that I see (all open as of August 24th) …..
- Southeast & East Asia : Japan, Burma, Papua New Guinee
- South Pacific: Fiji, Galapagos, Tasmania, Guam, Hawaii, Northern Marianas Islands
- South Indian Ocean: Reunion Islands, Seychelles,
- Americas: Ecuador, Costa Rica, Mexico, Nicaragua, Panama
- Other: Probably any country that 100% of the crew shares nationality and/or Permanent residency. (For us that’s Ireland, Canada, and the USA)
We are with you, in that it makes no sense to leave New Zealand at this time and are looking forward to summer cruising around here.
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28 minutes ago, mcp said:
....or they actually had a cobalt/manganese variety of Lithium Ion, which has a electrolyte that is a hydrocarbon. The reason why companies like Tesla are moving to LiFePo4 are because they don't got into thermal run away and almost impossible to catch on fire.
I read thru about 1/2 the post. His batteries were LiFeP04 cells. These cells can overheat if mismanaged. Most Electric Vehicle LiFePO4 batteries are bottom balanced. The fire occurred when he was "Equalizing" so his charger was topping off. In this situation; a bottom balanced cell can certainly overheat and start a fire, it's a real issue and big problem, his BMS did not have temperature sensing. (and it's a bit scary that he used the word "equalizing"... not balancing
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We switched from a new Gori 2-blade (not the racing prop) to a MaxProp 3-blade about three years ago. We have a Yanmar 3GM30F engine in a Farrier Trimaran.
We had a fair bit of vibration with the Gori and the reverse performance was very poor. Our forward cruising speed under motor is a bit more solid maybe almost +1 kn and the reverse power is like night and day. Manoeuvring a 8+ meter wide boat in marinas with a single engine has been better (far better) with the MaxProp. We have allot more prop walk in reverse with the MaxProp. I expected more impact on sailing performance from switching to three blade feathering but it has not made a difference to us under sail. We don't get above 13 knots as often as we used to since loading the boat up with cruising gear and this weight related slowdown has proven to be so dramatic that it might be masking the added prop drag.
When we stop cruising and take all the added weight out of the boat, I would probably switch back to a two blade folder. We used to be able to go 16kn fairly close to windward and faster off the wind so changing to lower drag would become important again. This changeover will require a new prop shaft since we cut ours down to fit the MaxProp's odd fitting arrangement.
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On 5/05/2020 at 5:13 PM, Joshandemma said:
Last December we sanded all the antifoul off our sail boat and applied two coats of Utlra 2 from International. We followed the directions in terms of coats etc. Despite lost of use, love and attention and a full clean down a few months back we are getting a lot of growth, more than Ive seen with other products on other boats we've owned. I generally antifoul every two years. Given performance of the Ultra 2 Im looking at alternatives and would welcome any suggestions.
We also used Ultra-2 last February. I prepped the boat with lots of sanding (even to the point of using Primocon on the entire underwater surface of the amas) then paid the boatyard to spray the Ultra-2. We then spent the month of March at BOI marina and the bottom had a sea of barnacles like I have never seen before, but I only have experience in the tropics and North America. Dove and scraped...We returned for three weeks in July and they came right back. I've been diving recently to knock them off but the water sure is allot colder now!
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16 hours ago, Knot Me... maybe said:
"I would also suggest using some caution with Practical Sailor tests, make sure you suss the methodology very well and the products used in the test." PA used this methodology: Crossloaded over an edge (UIAA 121 type K) https://mproprovider.files.wordpress.com/2008/07/uiaa121_connectors01-2004.pdf (see detail below)
"'I'm in with IT, I also don't think the 2 clips photoed side by side are the real deal SpinlocksI." Agreed and I appologize; the picture I posted from the UK governments MAIB report is not the Spinlock clip, the MAIB seem to have made an error in choosing this picture (not PS) HOWEVER>>> See picture of actual clip from the incident aboard the clipper ship. This image is from Robin Knox-Johnson) This clip was tested by PA and had the worst results of the bunch. I think this is significant and can't be discounted. Then; Look over the UIAA procedure tests carried out on the Spinlock and it is clear that this clip is the worst of the entire group tested. (Spinlock dealers touts this clip as being 50% lighter than the competition as a virtue)
And finally; Here is a link to the full report on the incident aboard the Around The World Clipper Ship: https://assets.publishing.service.gov.uk/media/5d079e0240f0b609cab64d40/2019-7-CV30.pdf This report takes allot of time to read but is rather illuminating on a range of issues that lead up to Simon's death. Simon was a watch leader, coxswain, and sail repairman aboard ship and he had formerly circumnavigated. There is allot to learn from the full report but - as these reports go - it's a long read.
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And this complete tether (https://www.kong.it/en/2-products/items/c4-components/f41-sailing-accessories/p764-elastictetherevodouble) tested much better. Here is a quote from Practical Sailor:
"To our testers surprise, off-center loads don’t have to be great to bend a snap hook open. In our tests, the Gibb-style hooks like the Spinlock Race Clip that Speirs was wearing began distorting under axial (side) loads as light as 275 pounds. At 300 pounds the hooks were fully open. As a comparison, carabiners used by rock climbers like the Kong Tango sustain loads up to 2,700 pounds before failure, and about 1,160 pounds when nose hooked."
So we go from 136 kg on a Spinlock up to 526 kg with the Kong tether clip. A 380% improvement.
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Here is an example of a clip that 'appears' to be able to withstand higher side loads. This is according to custom shop I corresponded with which makes custom tethers, atreeas, slings, and so forth.
https://www.baselinemarine.com/shopexd.asp?id=6899
I think there may be other options, this is just the first I was made aware of
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9 hours ago, Island Time said:
Im not sure that that IS is spinlock clip. This is;
Well I took my image from a marine testing article that represented the clip as being Spinlock and the article was about the fiasco on the Clipper Ships Around the World man-overboard tether break. This is especially bad when you read the full account linked on the Clipper site. This clipper ship had so many 'issues' aboard that one crew member left mid way in South America, instead of continuing on his ( they cost up to $80,000) race around the world passage.
I have compared the CrewSaver clips aboard our boat to the Spinlock my wife uses. I did this just yesterday for the first time. Guess what? The Spinlock is dramatically thinner when comparing the Spinlock to the CrewSaver clip.
Now... I have no idea of the tensile properties of the stainless in either of these clips, there are tremendous differences between the exact same looking stainless shackles when comparing standard shackles to H.R. (High Resistance) stamped shackles. So I can't say that the CrewSaver is way better. But it sure is about 30% to 40% thicker. There are allot of other issues involved here because the Clipper Ships switched to another brand of tether afterwards, arguably because they were concerned about the Spinlock brand..... However they then switched back to Spinlock for unstated reasons. I would assume it could either be sponsorship issues, or more likely because the Spinlock clips are so easy to use (un-clipping and re-clipping).... but I have no idea
My point is >> Why don't manufactures use a clip that is stronger?
It would be really easy to design one that withstands a much higher side load than 200 kg.
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9 hours ago, Clipper said:
The ‘inadequate clips’ are fine if used as intended. I believe if most tether clips get caught and side load they will be much weaker.
i had 2 strobes on voom that floated on their side, replaced after Tim C bought it up.
I had an old liferaft i inflated. Torch batteries were flat, possibly spares flat too. Flares were 2 years out of date, liferaft only 1 yr out of service.
My PLB with a 7 year life stopped working after 5, replaced by manufacturer. Test them people (check the time, just after the hour maybe?)
And here is one of my own making. I unscrewed the canister in my inflatabl.e lifejacket for flying. 12 months later opened up to service and canister fell on floor. I forgot to reattach!
That Spinlock clip in the picture has failed with only a 200 kg side load, that's a frighteningly small amount of force to have them fail at. I would not be willing to assume that even a taught jack-line could prevent a clip from ever being subjected accidental side loading in all circumstances.
Even cheep $13.00 aluminum carabiners handle three times that side load (see attached : Side Loaded Carabiner). Why can't the folks making tethers worth many times this amount make something that can withstand significantly more than a 200 kg side load?
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On 16/07/2020 at 7:51 PM, Dr Dave said:
Cheers Dtwo
I will only clip onto a "jackline" on deck. Also beware of lateral loads
There are a number of incidents where people have come to grief attaching to stays or bollards
See https://www.yachtsandyachting.com/news/200975/Tether-hook-angle-was-crucial-factor-in-death
Regards
Dr Dave
Hi Dave, Sorry that this is a serious thread drift, But
Those standard clips on tethers are a very poor design. Their flat cross section is a really bad design since side loads bend it in that directing like bending a butter knife sideways. It's unrealistic to expect these things to never see side loading
Even a standard medium quality 23kn aluminum oval carabiner will do 612 kg on a side load. See attachment from Petzl.com The stainless steel rescue carabiners will do allot more than this. Trying to keep your jack lines away from cleats and deck fittings is not that easy.
Sorry for the drift
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On 12/07/2020 at 9:30 PM, Dave said:
Well, colour me jealous, I might have drooled a bit looking at those photos! Just beautiful and congratulations on getting her out where she belongs. There must only be a half dozen or so of these yachts around so you are super lucky, I'd love to have one but sadly out of my reach for the moment. It looks like you have a daggerboard, the F36/39 I was keen on last year had a centreboard but the same kick up rudder as you have.
I really like the timber accents in the deckhead; is that Durakore or is the cabin top built from ply? Reason I ask is that my boat is Durakore which has been painted over, I've yet to tackle the inside so am pondering whether to bring some of the timber out like yours is, looks really nice. On the "to do" list for next winter probably, I need to go sailing...
Anyhoo, thanks for the post, and once again, welcome to NZ, I hope your (enforced) stay here is going okay. If you make it down to Auckland please let me know, I'd love to host you for dinner and talk trimarans!
All the best,
Dave
Hey Dave... She has a Western Red Cedar strip planked core above the waterline and that's what you are seeing in the epoxy clear coated areas on the overhead. I'll try to attach an article that Ian sent me a few years ago.
It looks like the PDF with the full description made it at the very end, it's a tiny thumbnail after the pictures. This has Ian's description of the build as well as reference to Red Shift, a truly amazing F9a from the Gulf Islands.
The boat in the pictures is ours.....
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Here is a place to start for Foreign flagged vessels with foreign owners
https://www.customs.govt.nz/covid-19/maritime-border/private-yachts-and-sailing-craft/
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https://www.customs.govt.nz/covid-19/maritime-border/private-yachts-and-sailing-craft/
Here is a reference for Foreign Yachts
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We left a week late after the inevitable waiting for parts and then some drilling and epoxy work installing new pad eyes to tweak the new/larger screecher from. Then a bit of dyneema re-rigging and we were off on last Thursday. Thanks for all the great replies, We are now up in Whangaroa, spent a few days at Lane Cove and moved over near the water buoy on the east side for the little bit of wind we just had. Some great hikes and some dingy sailing and fishing, … re-wrapped my old dad’s 1940’s cane rod and been out spin fishing a bit, lots of fun…. Thanks to all!
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Here is a nice one for sale in Australia see: https://yachthub.com/list/yachts-for-sale/used/sailing-trimaran/coco/249761 $25,000 AUD
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12 hours ago, Dave said:
Hi BR,
Sorry but for some reason I'm getting notification of these posts quite late, odd.
Insurance, what a palaver! Tried every man and his dog here in NZ but as you've found out they won't touch trimarans, must be hugely frustrating for you as your boat has been tarred and feathered by some random trimaran risk factor that doesn't really apply, in my opinion. I couldn't even talk them into waiving the capsize or breakage clauses, which I thought was the worst risk for my boat.
Ended up going with Northernreef Insurance, who are run by Edward William, a Spanish crowd. They were pretty good, prompt and I thought reasonable - NZ$1200 for the usual fire, theft, damage etc., as well as coastal out to 100nm, racing and solo sailing cover. That was all good until May when I got a nice email to say that their underwriter had gone belly up so I was now uninsured. But wait! There is another company willing to take me on, for a reduced premium of NZ$588, for the remaining six months of my policy. Excellent I thought, through mentally gritted teeth. No real choice but to stump up the ponies but not very happy. Also the internets search I did on Edward William wasn't super encouraging regarding them honouring policies. Still, I'm insured I guess and fingers crossed I'll never have to lodge a claim.
Sorry, rant over. Who did you find might I ask?
Cheers,
Dave
Hi Dave, Here is a fantastic company that has served us in a homebuit Trimaran for the last three years. They do off-shore coverage for us. They can write strict Liability Only as well as Full Hull Coverage policies for our 19 year old hull. It's a Markel Policy and held by JackLine. I would contact these folks to get underwritten,,,, www.gowrie.com/jackline
Rachel Sloan | Jackline Account Manager
Gowrie Group | A division of Risk Strategies
rachel.imis@gowrie.com
522 Chesapeake Ave, Annapolis, MD 21403
p: 410.364.7707 f: 410.827.3758
www.gowrie.com/jackline
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I've used them on a 37 foot mono back in 1989 which was a 1976 OSTAR boat with GIBB winches. They worked OK, but nothing like as well as a winch with a real stripper arm on it. I eventually replaced them with Lewmar 48ST. I left the Barton Wincher on the boom winch that was used for the outhaul and slab reefing. It worked better there because the axis of rotation on a boom mounted winch is horizontal. I attached a picture of the version I used.
In my mind.... They are just a stop-gap until you purchase a self tailer. The boat I used them on had already been around the world three times using the non-ST GIBB winches (once single handed and non-stop); so it's not like you absolutely need them.
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On 29/06/2020 at 10:02 PM, Dave said:
By the way, love the F36/39 and would appreciate a photo of her please. I had a good hard look at one in Sydney last year but had to pass once it had been surveyed.
I'm assuming you built your boat, if so, much respect! I've had a look at the Ravenswing and Fram blogs and know that there's no way I could undertake such a massive project. How far around the world have you been? I'm guessing you are stuck here in NZ, I suppose there are worse places to weather this Covid 19 storm.
Cheers,
Dave
Hi Dave,
Here are a few pictures. She was built in Bellingham, WA when Ian Farrier had an office up there in North America in the late 90's. I found her languishing on the hard on San Juan Island, been there for three years because the owner couldn't part with her in spite of not sailing her. She looked a bit sad and unloved at that point in her life. We love her
![phone[1].jpg](https://crew.org.nz/forum/uploads/monthly_2020_07/830455730_phone1.jpg.727066f3eeed38499043424a4884f9ee.jpg)
![table[1].jpg](https://crew.org.nz/forum/uploads/monthly_2020_07/1957907956_table1.jpg.9dd9373ee5db9b34190f0382d08e9e9e.jpg)
![F36trailer[1].jpg](https://crew.org.nz/forum/uploads/monthly_2020_07/729548583_F36trailer1.jpg.832dc85a4b26ccceb9312a4b06e5b738.jpg)
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White antifouling
in TechTalk
Posted
We used VIVID White on our trimaran. This was from Vancouver Island Canada to the Tuamotu used only on the amas. We found it was rather soft and scrubbed off easier than the zSpar ProGold on the main hull. (Also easier than Ultra-2) Recommend you add a few extra coats (beyond normal especially to the high wear areas).... if you want it last long term.