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Old 21-09-2017, 04:50   #1471
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Re: Bestevaer 49ST

Power consumption is important and there is very little data from manufacturers so I will post some numbers, which may be helpful.

So @ 13.8v my Vesper Vision in receive mode (I cannot test transmit at the moment) wifi on, with an external GPS aerial is consuming 0.45A at full brightness . At 50% brightness this drops to 0.35A. Interestingly 0% brightness saves very little extra power with a consumption of 0.33A. I expected "Night mode" (a red a black display) to be lower, but it was almost exactly the same.

So if you are setting an anchor watch all night and want to save a little power turn the screen down to 50%, but there is little point going lower, unless the aim is preserve your night vision.

These numbers are very good. Using the Vesper instead of a typical medium sized modern chart plotter for the anchor alarm will save roughly around 1A for most installations. So overnight something like 10 AHrs less (for a 12v system). Older or larger chartplotters often have higher consumption so the savings will be greater.
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Old 21-09-2017, 05:10   #1472
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Re: Bestevaer 49ST

Quote:
Originally Posted by Seaworthy Lass View Post
It is a tough job naming a boat. We wanted a name that would suit the boat. This one is rugged (rather than "pretty") and will live her life at sea. A short, fairly unique name that is easy to understand and pronounce on the radio is preferable.

Any suggestions? It is not too late to change our mind .

SWL
Neptune likes modest, and even cute names. The opposite of Titanic. The gods should be pleased and amused, and put into the mood of sparing you, in time of crisis.

Should also be short and clear on the VHF in my opinion.

You might think about animals you like -- their names in different languages. Just no predators.

An Oyster I looked seriously at (55' ketch) was called "Delf" -- dolphin in Gaelic. I liked that name.

Hedgehog in Latin is "Eris" -- isn't that just lovely? I'm sure Neptune loves hedgehogs. In Russian it's "Yozhik"; in German "Igel".

Deer in Greek is ελάφι. Very pretty, and a deer or a horse are nice avatars for sailing yachts, I think -- graceful, moving, and not predators. In Latin, Arietes. I like Dashew's "Wind Horse", but that's a deity (from Kazakhstan), and I'm not sure deities are good.

A little humor is good in a boat name, I think. Vagabond, vagrant, and so forth are overused, but how about BOMZh? or Bomzh? Soviet acronym for a vagrant -- the letters standing for Without Definite Place of Residence Perfect boat name, I think.

The possibilities are endless -- it's a hard job as you say.
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Old 21-09-2017, 14:03   #1473
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Re: Bestevaer 49ST

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Neptune likes modest, and even cute names. The opposite of Titanic. The gods should be pleased and amused, and put into the mood of sparing you, in time of crisis.

Should also be short and clear on the VHF in my opinion.

You might think about animals you like -- their names in different languages. Just no predators.

An Oyster I looked seriously at (55' ketch) was called "Delf" -- dolphin in Gaelic. I liked that name.

Hedgehog in Latin is "Eris" -- isn't that just lovely? I'm sure Neptune loves hedgehogs. In Russian it's "Yozhik"; in German "Igel".

Deer in Greek is ελάφι. Very pretty, and a deer or a horse are nice avatars for sailing yachts, I think -- graceful, moving, and not predators. In Latin, Arietes. I like Dashew's "Wind Horse", but that's a deity (from Kazakhstan), and I'm not sure deities are good.

A little humor is good in a boat name, I think. Vagabond, vagrant, and so forth are overused, but how about BOMZh? or Bomzh? Soviet acronym for a vagrant -- the letters standing for Without Definite Place of Residence Perfect boat name, I think.

The possibilities are endless -- it's a hard job as you say.
Elafi would have to be my favourite of the above. I explored lots of Greek names (we spent so long in Greece that this was a good connection), and I also checked out the word for deer or a species of deer in a host of languages. The problem with most of them was either common usage or simply that the name was not recognisable in English and would have to be spelled out phonetically or constantly explained, which quickly grows tiring.

Eris rolls off the tongue beautifully, but I can't think of much that ties hedgehogs with this boat or with us though.
Edited to add: Eris is also the Greek goddess of discord.

Bomzh is out . The meaning is appropriate, but the name itself has no appeal. A similar Aussie word is Swagman, which is a common boat name in Australia. Too common though.

SWL
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Old 21-09-2017, 14:42   #1474
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Re: Bestevaer 49ST

Vaer is Dutch for seafarer ...
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Old 21-09-2017, 14:45   #1475
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Re: Bestevaer 49ST

Sticking with the Greek mythology link to names. I have always liked Prometheus for a metal boat, thinking of fire and the foundry process as a major gift to the world.

I am of course also enamoured with 'Pelagic'.
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Old 21-09-2017, 15:20   #1476
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Re: Bestevaer 49ST

https://en.m.wikipedia.org/wiki/Brizo

Brizo, the goddess.

Though, if you google just the word Brizo, the first information provided is about bath and kitchen faucets, showers and accessories.
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Old 21-09-2017, 15:42   #1477
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Re: Bestevaer 49ST

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Sticking with the Greek mythology link to names. I have always liked Prometheus for a metal boat, thinking of fire and the foundry process as a major gift to the world.

I am of course also enamoured with 'Pelagic'.
Prometheus had a very nasty end. No good comes of incurring Zeus's wrath. I don't think Poseidon would look on him very favourably .

Also an Alien fan here and the Prometheus expedition had another nasty ending.

Name choosing is fraught with pitfalls.
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Old 21-09-2017, 15:54   #1478
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Re: Bestevaer 49ST

Quote:
Originally Posted by Fiveslide View Post
https://en.m.wikipedia.org/wiki/Brizo

Brizo, the goddess.

Though, if you google just the word Brizo, the first information provided is about bath and kitchen faucets, showers and accessories.
At least toilets aren't included . I have come across boats named Harmonia (goddess of harmony) and instantly all I can think of is the loo cleaner.
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Old 22-09-2017, 00:19   #1479
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Re: Bestevaer 49ST

Work is progressing rapidly, but despite all the activity there is not much new to photograph. In fact since all the floors are up and doors and drawers off the boat for oiling, it looks like a backward step. Lights are in though, and items like the anchor winch, bow thruster etc are being fitted.

As expected, the timber has darkened considerably and the rich grain is more apparent after oiling:
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Old 27-09-2017, 23:42   #1480
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Re: Bestevaer 49ST

The timberwork has received its last coat of oil and looks truely spectacular. Unfortunately, it is very difficult to catch the effect in a photo. The depth and three dimensional detail of the grain does not show up, particularly the way it changes when it catches the light as you move around.

We specified solid timber rather than veneer. This has the advantage that any marks can be be sanded out without worrying about penetrating a thin layer, but it also gives the timber a wonderful glow. In some large areas this has been attached to plywood backing for stability, but all the timber seen is a minimum of 8mm even when this has been done.

Our request has given the carpenters at KM a lot of headaches. They sent back two whole boat loads of timber, much of which had already been milled to size before they were satisified with the quality.

I will try to take some better photos, but this drinks cabinet that is next to Refleks stove shows some of the detail of the grain. Its too nice to put anything on top . The two black pieces sticking up are just temporary spacers used to fit the lid correctly.

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Old 27-09-2017, 23:59   #1481
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Re: Bestevaer 49ST

It's looking good, noelex.

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Old 28-09-2017, 01:16   #1482
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Re: Bestevaer 49ST

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Originally Posted by noelex 77 View Post
The timberwork has received its last coat of oil and looks truely spectacular. Unfortunately, it is very difficult to catch the effect in a photo. The depth and three dimensional detail of the grain does not show up, particularly the way it changes when it catches the light as you move around.
One word....

Video...

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Old 28-09-2017, 08:21   #1483
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Re: Bestevaer 49ST

One word...

beautiful...

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Old 29-09-2017, 00:30   #1484
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Re: Bestevaer 49ST

Solar installation.

Solar power has produced virtually all our power on our last two yachts. As we will be living aboard this yacht, as we did with the last one, reliable, efficient solar power is essential.

We have installed 3 x Sunpower 335w panels. These are efficient at 21% and by all accounts have good low light and hot temperature performance. Shade is big killer of solar power and our installation is in a very shade free location (for a boat). We have resisted the temptation to install antennas, aerials and radar where they will cast any shadows.

There are two fundamental options when installing a solar controller for this sort of sized installation. The first is one of the large good quality controllers such as the Outback or Midnite. These are wonderful controllers. They track the MPP very well, and have an efficient voltage to voltage conversion. They also have important battery control features (especially important for gel batteries) such as terminating the absorption using battery return amps and proper temperature compensation. The biggest drawback is that when multiple panels are connected they can only use one input voltage. Finally, they have reasonably high self consumption which can really hurt the output on very poor days, which is when you most need an efficient system.

We took this approach with our previous boat, fitting an Outback controller and were very happy the results.

The second approach is to fit a greater number (often one per panel) of smaller controllers. The biggest advantage is redundancy and the ability to track the powerpoint of each panel separately. This latter feature is very helpful when panels are mounted in different locations and/or subject to localised shade. The drawback is the controllers are less sophisticated. The tracking is potentially less precise and most of the features such as using battery return amps and on some units even external temperature compensation are not available. Self consumption is potentially higher because there are more units, although each unit tends to have lower self consumption because the processing power is less.

The cost of one large controller tends to similar to multiple smaller controllers, although this can vary depending on exactly what is needed.

With the new installation we have adopted the multi controller approach with three Victron Smartsolar 100/20 units (one per panel). The primary reason was redundancy. As we live aboard, reliable solar power is essential. Rigid solar panels are very reliable but the same cannot be said for MPPT controllers. The cheap units are very prone to failure and even the expensive units have a reasonable number of breakdowns. Our old system used "12V" panels. So with some care and supervision it was possible to connect the panels directly to the batteries in the event of controller failure. The new panels have a much higher output voltage. It is still possible to connect these high voltage panels directly to batteries, but the output is reduced, and critically if the battery voltage is not monitored very carefully there is the real chance of destroying all the electronics in your chart plotters, instruments etc. In most circumstances it would not be worth the risk. So relying on single controller has far more potential to leave us with no solar power.

The all important performance of the new system will be interesting to see. Data on issues that have an important impact on output such as self consumption, voltage conversion efficiency and tracking ability are often not documented.

I will write another post about why I chose the 100/20 model as opposed to some of the other sizes that are available and could have potentially worked.
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Old 29-09-2017, 01:20   #1485
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Re: Bestevaer 49ST

I missed it earlier. Will you have a generator onboard? If not, why not on a boat this size and this costly?
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