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Old 05-12-2015, 01:43   #16
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Re: Which instruments are always on when Bluewater sailing?

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Originally Posted by sailorchic34 View Post
Hum main instruments on all the time is the windex and mark one eyeball. Sometimes simple is nice too.
+1 though sometimes I leave the GPS on rather than just starting it a few times a day for a fix. And I guess now I'll have the AIS receiver ticking away. Vhf reluctantly should probably be on.. but for me other stuff is just a distraction.

I also think there is a big potential issue with loss of night vision due to far too many flashing lights at the helm. It's amazing how good you night vision gets given half an hour of pitch black.

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Old 05-12-2015, 03:35   #17
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Re: Which instruments are always on when Bluewater sailing?

'Deep Sea' ? All my Raytheon/Autohelm/whatever stuff including autopilot is on the same switch so I leave that on with illumination set to '0'. I put the cover on the 'depth' so that it doesn't give me the irrits.
AIS is self contained with its own GPS so that stays on.
VHF stays on just because.
Radar off unless vis turns to poo.
HF's off unless being used. Sometimes on for RNZI or BBC.
The 'CCyCPC' aka 'central command and control PC ' only goes on at midday, when using Sailmail, or if I am bored....

'Coastal' is different.....
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Old 05-12-2015, 03:59   #18
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Re: Which instruments are always on when Bluewater sailing?

When I built my new electronic system three years ago, I organized the NMEA2000 network into two separate networks, and put cockpit instruments and other instruments needed only for under way on one of them so that these could be shut off while the core instruments at the nav table and key sensors are kept on.

This was good in theory and didn't work in practice. There was always something I needed from the other network so just never shut it down.

So to answer your question -- my electronics run pretty much 24/7/365 unless I am off the boat. If I am docked for a long time, the maximum I might do is shut off the chart plotter in the cockpit.

When I am anchored or docked, I still spend a lot of time at the nav table working on the next passage, etc. I keep 24 hours graphs of wind and barometric pressure. Even when not at the nav table, I always like to watch what the wind is doing. When I run the generator, I need the network for the generator instrument display. Chart plotter is needed for planning.

I pretty much gave up shutting anything down.
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Old 05-12-2015, 07:10   #19
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Re: Which instruments are always on when Bluewater sailing?

Power saving and wind in the hair all fine with me. But think you can sail by people in need and not know ... so since some time now we have our VHF and AIS always on (easy as we have a combo unit).

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Old 05-12-2015, 08:33   #20
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Re: Which instruments are always on when Bluewater sailing?

When we're off shore, the chart plotter, AIS, VHF, and auto pilot are on 24/7.


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Old 05-12-2015, 08:33   #21
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Re: Which instruments are always on when Bluewater sailing?

Haaaaa, agree!

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idk, cn u ais w/o mfd? gps imho good q 12, rest prn.
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Old 05-12-2015, 08:37   #22
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Re: Which instruments are always on when Bluewater sailing?

Dockhead, funny you should write that..... we do much the same. Our rationale is that by keeping them on we reduce the likelihood of moisture being introduced, regardless of their waterproof ratings. It seems to work for us and everything is always ready to go. We do have a mass of solar panels though with additional support from 2x powerful wind generators.



Quote:
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When I built my new electronic system three years ago, I organized the NMEA2000 network into two separate networks, and put cockpit instruments and other instruments needed only for under way on one of them so that these could be shut off while the core instruments at the nav table and key sensors are kept on.

This was good in theory and didn't work in practice. There was always something I needed from the other network so just never shut it down.

So to answer your question -- my electronics run pretty much 24/7/365 unless I am off the boat. If I am docked for a long time, the maximum I might do is shut off the chart plotter in the cockpit.

When I am anchored or docked, I still spend a lot of time at the nav table working on the next passage, etc. I keep 24 hours graphs of wind and barometric pressure. Even when not at the nav table, I always like to watch what the wind is doing. When I run the generator, I need the network for the generator instrument display. Chart plotter is needed for planning.

I pretty much gave up shutting anything down.
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Old 05-12-2015, 10:04   #23
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Re: Which instruments are always on when Bluewater sailing?

depth sounder. reason: the pinging alerts submarines and whales of your presence. Study not conclusive, but sounds logical and uses minimal power
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Old 05-12-2015, 10:08   #24
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Re: Which instruments are always on when Bluewater sailing?

Auto helm, AIS, GPS, VHF
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Old 05-12-2015, 10:28   #25
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Re: Which instruments are always on when Bluewater sailing?

99% of time only VHF (usuallly on dual-mode) & AIS. GPS "on" only long enough to plot position @ watch changes.
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Old 05-12-2015, 11:41   #26
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Re: Which instruments are always on when Bluewater sailing?

Firstly, my boat is tiny. Just the same, with the exception of hf, my 500 Ah runs all of that 24x7. The Waeco freezer has never been asleep, the Simrad T/pilot ditto. I run my generator every day (love/hate/need) to keep above 12ish volts.
At any time I'm food, fuel and water stocked for minimum 14 days. (electric bread maker too...knew some would love that!).
If this tiny cork can do it, what's this fuss all about?
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Old 05-12-2015, 12:42   #27
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Re: Which instruments are always on when Bluewater sailing?

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Not to mention that having the VHF on channel 16 is a requirement!
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Old 05-12-2015, 12:46   #28
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Re: Which instruments are always on when Bluewater sailing?

Offshore I run one of two chartplotters, auto pilot (run off of chartplotter) AIS, wind and speedo and weather. Radar if needed. I have installed a separate switch for each Simrad component so can de-power whatever we want.


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Old 05-12-2015, 13:06   #29
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Re: Which instruments are always on when Bluewater sailing?

Don't forget the tachometer, oil pressure, and temperature gauges, if you have a catamaran.


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Old 05-12-2015, 13:13   #30
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Re: Which instruments are always on when Bluewater sailing?

basic speed, depth, wind... fluxgate compass, plotter. The others get turned on as needed.
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