Dtwo
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Posts posted by Dtwo
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idlerboat, as a 'super practical person' i am surprised that you would only see the weight factor as an advantage for lithium batts. so, here's a couple of things i have found to be fantastic about mine -
- I'm able to stick 125 amps in until they are full
- they don't need to be fully charged - they are sitting here at present at 58% while I'm on shore power
- battery voltage is incredibly stable throughout the discharge cycle
I'm not interested in changing your mind, but it does help to consider all the factors that affect the choice between different battery technology
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The LiFePO4 "fire risk" is a non-event for boats IMHO. Certainly in a car environment, where you have many many cells and are caning them to push some bloated passengers up a steep hill, can have issues (as in any battery technology) if a cell fails and resistance increases. In a boat that is simply a non-starter - you only have a few cells and the load and charging amps are an order of magnitude less than the automotive stuff. Any decent BMS will be looking at cell temperatures, in my install we have sensors for 8 cells.
And Idlerboat - you will never get 20 years from AGMs in a cruising environment. They like being topped up and that isn't that comment when you live on them 4/7. I have had several people tell me their experiences with AGMs dying after 2-3 years.
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I'm using mine to keep the anchor on the bottom...
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On 31/08/2020 at 11:19 AM, Island Time said:
Actually, RYA Offshore is a prerequisite for NZ Master Yacht <24 m, which is a commercial ticket. So RYA sort of is accepted here....
Stupidly, Maritime NZ allow someone with SRL to run a yacht here, but someone with the NZ Master Yacht <24m, (allows up to 12 passengers, out to 200 miles) which is a MUCH more advanced ticket, can't run a power boat. And there is no formal path to get from the NZ Master Yacht <24m ticket to SRL (12 passengers, 12 miles out).
Oh, and the inner Auckland Harbor is pretty tidal, and the "Blind" navigation section of the practical test in there is interesting
. I'd recommend the Auckland Sailing School, Phil Bishop for anyone who wants to do, or consider doing, an RYA course in Auckland.
What, Maritime NZ doing something stupid - who would have thought we'd live to see that! /sarcasm
As for blind nav, did mine at the entrance to the Solent - tide, mud, forts, submarine barriers..... These days I do love my chartplotter!
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Nice work PNG!
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Rowing a sunburst is no fun. Too beamy and too much wetted surface. Be heavy to get on board too.
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19 hours ago, Dtwo said:
And read this series of articles. This is quoted by many people as extremely useful in understanding Lithium technology.
Woops
http://nordkyndesign.com/category/marine-engineering/electrical/lithium-battery-systems/
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And read this series of articles. This is quoted by many people as extremely useful in understanding Lithium technology.
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40 minutes ago, Bad Kitty said:
Another vote from me for Powerflow. Good gear.
Me too. Good product and excellent to deal with.
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17 hours ago, Aleana said:
But surely the NZ govt cannot deny your right to travel and stamp your passports out of the country even at L3/4?
Of course they can. No Cat 1 for a start.
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On 4/08/2020 at 10:51 AM, TazzyDevil said:
So you legislate or regulate to allow entry by sea for pleasurecraft.
Next thing a flotilla leaves China/USA/India/Australia/South America full of prospective migrants. The demand to emigrate to NZ is massive right now so it's a real prospect.
Pleasurecraft are already allowed in - superyachts with 50k of pre-booked work. Ma and Pa cruisers won't have 50k of pre-booked work but they would contribute, I would guess, not too much less. Nett positive cashflow for NZ and certainly positive for Whangarei.
Before you leave your last port to come to NZ, you are required to submit a shed load of paperwork. It isn't a case of turning up at the door. In any case, the current situation would enable them to have a "superyacht with 50k of pre-booked work". I'm not sure your argument is founded in reality.
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58 minutes ago, Fish said:
So, if you are in governance, what do you do?
If you let people in from half a world away (Tahiti), who else do you have to let in? Half of India is clamouring to come back here. They already have established lives / family / jobs here apparently. Do those people have a greater claim to entry than cruising sailors in the Eastern Pacific?
Every foreign sailor already in NZ doesn't want to leave. All the back-packers etc don't want to leave. If you let these guys in for this summer, will they leave again next winter?
It is far easier to say no to everyone, than to say yes to some and no to others. Its the 'where do you draw the line' arguement, otherwise known as the thin end of the wedge. Much like our lockdown was a blanket everything lockdown, Victoria have had some random 'lockdown' with so many loopholes, it wasn't really a lockdown. It didn't work for them.
While a logical arguement (from our point of view) can be put to let these cruisers in, I suspect the governments answer will be no to everyone. If C 19 keeps on going how it looks, over half the world's population will be claiming a good reason to be let into NZ. So, no to everyone...
Good points, but -
- already letting superyachts in if they have $50k pre-booked work
- safety is an issue, like it or not. I am guessing but there's a strong chance that the cruising boat's insurance may not cover them sitting in FP during cyclone season.
Nobody wants Covid to get established here, but we should be looking at this situation and evaluating the relevant risks rather than conflating it with planeloads of people from virus infected countries.
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What sort of prop setup do you have? Coupling tight?
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41 minutes ago, Black Panther said:
In spite of hos overly emotive style and poor navigation skills the fact remains that thare are 3-400 boats that would come here if possible and inject much needed money into a lot of marine businesses, particularly in opua and Whangarei. Regards covid they would be just about the safest group of travelers on the planet.
So why not??
Agree. Local small businesses rely on some cruising income. If they can let in superyachts, what is the difference.
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On 30/07/2020 at 1:57 PM, markm said:
Interesting but wow, talk about not being able to see outside your own pond.
Very US centric and curious in that quite a few of the US designers mentioned were, at least in my opinion, pretty ordinary, whilst some I've got plenty of time for (RP, Andrews for example) weren't mentioned. I guess though if they were, it'd kind of defeat the argument that was being made.
As to the bit about not been able to mention recent designers, that's pretty much flat out ignorance, plenty of good people still doing design, just not very many in the states. As to the production build boats not having name designers, well most I'd contend have a better rep and are better known than half those listed from his 'golden age'.
Hmmm, the angle I got was that the "golden age" was when designers were following their instincts, in comparison to the modern age when everything is modelled extensively before the lid comes off the carbon jar. Certainly US-centric but interesting nonetheless. The conviction of putting your ideas down on paper, seeing that turn into a yacht - and then waiting to find out how it performed! I think that was the point personally.
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1 hour ago, wheels said:
OK, perhaps I need to go back and re read all this. As I said, I read a few posts and so I guess I may not understand the argument here. I had thought some were arguing about the Quota's being leased out.
I 100% agree that any catch should not be dumped. It needs to be accounted for, brought ashore and Sold and I was of the understanding that this was now what indeed had to be done.
Certainly, any by catch must be recorded in type of fish and where caught. This is accounted for by Fisheries as to what is happening to other Fish stocks.
We do have a pretty good system here in NZ. That is likely not the case for overseas Fisheries. But NZ has Fishing Companies that are very good at maintaining their Area's. As many of them say, it is in their own best interest to ensure that the Stocks are healthy and maintained.Definitely worth getting up to speed on. There are many factors at play here and not just "quota is quota". Such as:
- the issue of who owns the resource (QMS has conferred ownership whereas the public of NZ owns the resource)
- who is allowed to fish (ATM more and more quota is held by a small, wealthy and influential group)
- is the QMS actually protecting the resource?
- this resource should be controlled by an independent science-led process. Currently it isn't.
- MPI fisheries management is "owned" by the quota holders
.... and many more. Pretty important that we all understand the issues.
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Interesting, worth a read.
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On 28/07/2020 at 10:38 PM, Island Time said:
The fact is that it was ill conceived to allow anyone to "own" the quota. Effectively owning the fish. There will be $ involved, but this is the only way to get control back. And it does not matter who the owners are or how hard this may be. Still has to happen.
Plus it must be written into NZ law that no one, individual, company, or organisation of any kind, can ever own a quota or right in perpetuity again. Ownership of the fishery must remain with the NZ public.
MPI and the government need to man up and get on with this.
Personally I was able to understand this and agree. It has to happen. I don't understand how anyone could fail to grasp the issues at hand.
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Absolutely done
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1 hour ago, Dr Dave said:
He clipped onto backstay and when the boat rolled he went up the rig, once he landed on deck he broke a leg
Good advice, thanks Dave
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What I have learnt about this stuff:
- Molly's advice at Kiwi Yachting has cost me about $2k and I still don't have working windgear
- before submitting your kit for testing at Kiwi Yachting, make a note what age you were when you took it in. It won't make it any quicker but it does help when trying to work out how long it's taken.
- Garmin Help is run by either a talking chimpanzee or a bot. Whatever the answer is they are f*in useless
Please advise your progress on this. My experience has led me to begin designing and building a Death Star.
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Is that the website - if it is it's better to call them. They are brokers so they will find something that works.
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Diesel storage
in TechTalk
Posted
I have used the blue plastic barrels in the past but can't remember where i got them from. As for pump, you really don't need an industrial solution. An old car fuel lift pump - the ones that would sit above the tank and push the fuel forward to the engine. Bit of pastic tube and away you go. Took me about 20 minutes to fill a drum.