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Go Back   SailNet Community > On Board > Gear & Maintenance > Electrical Systems > Helm control panel question
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Thread: Helm control panel question Reply to Thread
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Topic Review (Newest First)
08-06-2013 11:35 AM
manatee
Re: Helm control panel question

If you carry a pocket compass when you're shopping, you can check whether anything you're considering has a magnetic footprint. Shielded cable may tame the electromagnetism of guages,
but the instruments may leak. Remember the inverse-square law; even a little extra separation
can significantly reduce interference.
08-06-2013 10:43 AM
dem45133
Re: Helm control panel question

Interference of the magnetic compass... could that be one of the reasons for scattering electrical based devices around the cockpit? Mechanical engine gauges do not operate off electrical signals so I may simply use old school tech on them. I'll have to see if Farryman built any mechanical tach drives into their mid 70s engines.

I just read an article in "Good Old Boat" (July Aug 2013, pg 55) where compass interference from an on board generator caused as much as a 40 degree error... they ended up sailing into a rock wall of a coast in Turkey (I think it was Turkey)... but then a generator, especially if it contained permanent magnets likely should have never been installed just below the compass (that wasn't well defined in the article, but wasn't very far away evidently from the wording). If it was electromagnetic field "magnets"... the magnetic fields would collapse once de-energized and then not effect the compass (I believe, could be a residual... I'll ask my Uncle). But with permanent magnets the mag field would always be present. Either of these are very strong magnetic fields compared to modern electronic instruments so I'll be investigating over time on this and post when I know more.

All knowlegde and experiences for all of you is more than welcome.

I'll be in the Great Lakes initially where its not likely quite as critical, but after retirement who knows where I'll sail it.

Dave
08-06-2013 10:02 AM
deltaten
Re: Helm control panel question

Like dem; I'm in the same boat. Starboard, aft lower bulkhead shift and throttle and opposite bulkhead engine indicators. The trans and throttle get in the way, lines get tangled and are subject to being kicked or toe-stubbed. Idiot lites are near useless and IF I hafta shut down, I gotta drop to a knee and find the button.

I plan to add all he gauges I need , the throttle/shift and such to the starboard/aft cabin bulkhead; like the pilots station onna Pilothouse boat. Now just to find the dual control and appropriate meters!
08-06-2013 09:36 AM
dem45133
Re: Helm control panel question

Humm, don't know... I'll have to investigate that.
08-06-2013 01:28 AM
manatee
Re: Helm control panel question

How much will the various 'gizmos' affect your compass as they are turned on & off in various combinations? Anything with electricity running through it sitting that close to a compass makes me nervous.
08-05-2013 11:50 PM
dem45133
Re: Helm control panel question

Thanks... I'll think about that some. Maybe the whole console could be positionable for where ever one is sitting.

Dave
08-05-2013 11:10 PM
Omatako
Re: Helm control panel question

The primary reason why I haven't placed all my instruments on the binnacle is because when one is sailing any length of voyage (more than say 3 hours) one doesn't necessarily want to stand behind the wheel the whole time.

If your instruments are all there, that's where you have to be to see them.

A close friend has a new (2012) Beneteau and all the instruments are behind the twin wheels. He can see nothing of them unless he's at the very back of the cockpit. With the autopilot set on a three-day reach, that's the last place you want to sit, right in the weather all the time.

The only instruments I have at the binnacle are the steering compass and the Autopilot controller. Everything else is grouped together but where it can be seen from just about anywhere in the cockpit.

Just my personal preference, YMMV
07-31-2013 11:40 PM
PaulinVictoria
Re: Helm control panel question

Make sure you can see over it
The main issue I've seen with these huge instrument pods is that a lot of people end up fixated on them and forget to look out of the cockpit at where they are going and what's around.
Generally, the stuff is spread all over the place because that's where the previous owners found it easiest to mount rather than necessarily the optimum position. New boats which were designed from the outset with integrated electronics tend to be more organised, where as your typical GOB had basic mechanical instruments mounted on the bulkhead and then went from there over the years.
07-29-2013 09:22 AM
chucklesR
Re: Helm control panel question

Oh you can do it in wood.
I seriously considered it. My boat is a center cockpit so with the enclosure left on the wood is protected.
Previous owners aside of course. I just got the boat in March.

I'm with you and being able to see - and therefore know what is going on. My Yanmar 44 came with just dummy alarms - no gauges.
The idea that you should just go blindly along until the engine (for example) overheats and THEN worry about it is ridiculous. I want to know before I break it.
07-29-2013 09:12 AM
dem45133
Re: Helm control panel question

Hello ChuckelsR

Yea, thats what I'm talking about! I love natural wood... its too bad no one (at least that I've found yet) that makes a clear wood finish that is UV PROOF.

Thanks.
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