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Go Back   SailNet Community > On Board > Gear & Maintenance > instruments
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Thread: instruments Reply to Thread
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Topic Review (Newest First)
10-18-2009 12:10 PM
jarcher So getting back to talking about instruments, the OP didn't really say what he wants to do with them, primarily. Cursing, racing?

My use is primarily racing and I have a bunch of Nexus stuff.

There are two things to consider. At least in nexus speak, there are "transducers" and there are "instruments." The transducers measure stuff, the instruments display it.

With Nexus, you may or may not need a "server" depending upon how much stuff you have and what you want to know. If you want to know true wind velocity and direction, you need a "server." A server is handy anyhow. All the transducers come back to it and then there is a RS485 bus on which all the instruments sit. With that bus, you can add watertight connectors so you can, for example, take the rig down or remove/replace a depth transducer.

If you're not racing and you just want to know the apparent wind speed/direction, the depth and the boat speed through the water I would think there are less expensive solutions then Nexus, Occum or B&G.

If you're racing, then Nexus is less expensive than B&G or Occum, but the instruments are not quite as nice. And, if you are racing, it's not a trivial task to keep all these fancy gadgets calibrated. Nexus has software to do it, but it sucks and does not support the latest transducers. They have been promisin em an upgrade "next week" since mid season.
10-15-2009 10:47 PM
sailingdog Depends on how loudly you belch.
Quote:
Originally Posted by roline View Post
Is it required to have a fog horn on board in case of fog, or would a 6 pack foster lager belch suffice?
10-15-2009 07:40 PM
roline Is it required to have a fog horn on board in case of fog, or would a 6 pack foster lager belch suffice?
01-22-2007 08:31 PM
hellosailor Tinned beer, tinned butter...'bout the only thing the Aussies haven't tinned is women, and I suspect that's only because then someone might EXport them too.

Or maybe like the olive growers, they'll only export the ones they really don't want to keep?
01-21-2007 04:29 AM
Giulietta Carefull inspection of his T-shirt will show he had just thrown up the "down under lager"!!!
01-21-2007 02:17 AM
capecodphyllis
Quote:
Originally Posted by halekai36

That's not just any old beer! -- That big boy is a Foster's Lager from way Down Under!

I have a new found respect for halekai.
01-20-2007 11:34 PM
Valiente
Quote:
Originally Posted by sailingdog

Your ears can tell you when the water is getting shallow, the wind has shifted, when other boats are approaching... especially in fog or at night, far better than your eyes often can.
Ears are underrated, I think. Prior to haulout, we motored through Toronto harbour (quite small, but crowded) to an island fuel dock in near total fog based on my chart plots and judicious use of an air horn and the depth finder. The air horn, besides satisfying COLREGS, allowed me to gauge distance off shore by listening for the echo from the condo towers at a known distance. We also used the numerous buoys and a wristwatch to estimate when to make several turns.

It was a little scary, but interesting, too. Four knots never seemed so fast!
01-20-2007 11:10 AM
Giulietta
Quote:
Originally Posted by hellosailor
Ah, comeon guys. If that was REAL fog, he'd a been able to cut a niche out of it and park his beer can on it without needing to keep it in his hand all the time!
With my super night vision goggles I looked at that photo, and printed what I saw...

Amazing....have a look!!

01-20-2007 11:03 AM
hellosailor SD-
If the fog is so thin you can move the boat through it, it ain't hardly worth calling fog.
01-20-2007 10:52 AM
sailingdog
Quote:
Originally Posted by hellosailor
Ah, comeon guys. If that was REAL fog, he'd a been able to cut a niche out of it and park his beer can on it without needing to keep it in his hand all the time!
Yeah, but then he'd have to chase his beer can, as the boat moves forward.
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