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Go Back   SailNet Community > On Board > Gear & Maintenance > Custom Engine Panel Design
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Thread: Custom Engine Panel Design Reply to Thread
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Topic Review (Newest First)
11-09-2012 02:30 PM
Omatako
Re: Custom Engine Panel Design

Quote:
Originally Posted by paul323 View Post
My Westerbeke has an Admiral Panel - a nice design IMHO
Yep, that's neat and nicely compact.

Yanmar haven't learned the art of compact yet, their panels are large and mostly unpopulated. What I do miss on your panel though, are the big warning lights that come on with oil pressure drop or overheat on the Yanmar panel.

I guess if you have a buzzer that's all it really needs - I have just got used to the lights as well.

But that is a nice panel.
11-08-2012 09:42 PM
fryewe
Re: Custom Engine Panel Design

Regarding tachometer senders and tachometers:

Don't know about the 1GM10 but for my 2QM15 the tachometer sender is a flywheel sensor and is located on the engine block just forward of the transmission on the port side. It has two male terminals on it.

For speed sensing using this type of sensor the tachometer used must be matched to the number of teeth on the flywheel. My engine has 114 teeth on the flywheel. For OPer: 1GM10 has 97 teeth.

My memory is that the stock number of the meters have the no. of teeth they are designed to work with as part of the number. Also the meter face has the number of flywheel teeth it is designed to work with engraved on the meter face.

For my Yanmar (and others) the alternator output can used for tachometer sensing IF it has an alternator fitted with an "R" or "N" terminal. VDO meters can be used in this application. To match the VDO tach with the alternator you have to know the number of electromagnetic poles of the alternator and buy a tach designed to be used with that number of poles (frequency matching the pulsing waveform coming out of the alternator).

On Yachting and Boating World Forums (www dot ybw dot com) one member mentions converting an alternator for use with a tach for a 1GM10 and might be worth a look for those interested. The thread is "Recalibrating Yanmar P116 Tachometer to P97 - Possible?"
11-07-2012 10:51 PM
sailingfool
Re: Custom Engine Panel Design

This guy did a nice job building a custom teak panel:
Inboard engine on Caraway
11-07-2012 08:37 PM
paul323
Re: Custom Engine Panel Design

My Westerbeke has an Admiral Panel - a nice design IMHO:


Works well for me, not too fancy, but compact and with the basics. You can purchase it separately (don't know the price). There is a buzzer (oil pressure alarm) but it is behind the panel somewhere.
11-07-2012 07:59 PM
asdf38
Re: Custom Engine Panel Design

Quote:
Originally Posted by Omatako View Post
Sorry about my late entry into this discussion. I do so only because I have a Yanmar and the original tacho cashed in a while ago and I started searching for less financially-crippling replacements.

In that search I looked at VDO and looking at the unit above, are you sure this is not for gasoline engines? The 6000 RPM upper limit suggests it may be. In which case it probably won't be of any use because it needs an electronic trigger and the Yanmar flywheel sensor won't trigger it.

Some of them trigger off the rear of the alternator - you may be wise to check that out before spending your sheckels
Yes, absolutely. At the moment, I know nothing about the yanmar tach signal and for now, I was generally assuming that this gauge would work with it. But I definitely need to check.

Actually I thought there was a signal coming off the alternator until I was at my boat Sunday and saw an extra wired device at the rear of the motor and realized it was a tach sender. Your mention of a flywheel sensor confirms that because that's where it was.

If you know any more specifics please share otherwise I'll be posting the info whenever I get around to confirming it.

Note that VDO makes a whole range of tachs with various RPM limits. They do make one with a 4k limit which is what I'd want for the yanmar.
11-07-2012 07:48 PM
Omatako
Re: Custom Engine Panel Design

Quote:
Originally Posted by asdf38 View Post
combo tachometer:
vdo - tachometer
Sorry about my late entry into this discussion. I do so only because I have a Yanmar and the original tacho cashed in a while ago and I started searching for less financially-crippling replacements.

In that search I looked at VDO and looking at the unit above, are you sure this is not for gasoline engines? The 6000 RPM upper limit suggests it may be. In which case it probably won't be of any use because it needs an electronic trigger and the Yanmar flywheel sensor won't trigger it.

Some of them trigger off the rear of the alternator - you may be wise to check that out before spending your sheckels
11-06-2012 11:23 PM
Brewgyver
Re: Custom Engine Panel Design

Quote:
Originally Posted by asdf38 View Post
Digikey sells over 5000 rockers starting at $0.30@quantity 1. Sorting for IP67 narrows that down to 300. So this isn't your average cheapo rocker it's, the best I can find (silver contacts, brass with silver plating terminal). Good enough? Not sure.
Asdf, another issue with rockers is simply cutting the holes for them. Unless you buy a knock-out punch made for the purpose ($$$), you'll have to drill multiple round holes, then cut/mill/grind/file into a rectangular hole. I've done it, it's a PITA.
11-06-2012 09:49 PM
Faster
Re: Custom Engine Panel Design

If you have access and space, you could easily add a 'T' to the sender connection and mount the gauge sender and remount the alarm sender on the same tap. It's just a few pipe fittings - in fact a 'street T' (with one male thread and two females) would be the cleanest way to do this.
11-06-2012 09:48 PM
redline
Re: Custom Engine Panel Design

The Yanmar senders are just pressure/temperature switches - they just close a contact to turn on the warning lights. For gauges, you would have to swap them out for "analog" gauge (losing the buzzer feature) or better yet, install additional senders for gauges, keeping the original ones for the buzzer (and as an independent backup).
11-06-2012 09:09 PM
asdf38
Re: Custom Engine Panel Design

Two questions on my mind right now:
1) So people recommend adding temp/oil guages, has anyone done this? Do the yanmar senders normally communicate with 3rd party gauges? I'm not finding answers at the moment. I see that many of the 3rd party gauges include their own senders but I'd rather not plug non-yanmar parts into my engine in important functions.

Also, if I go this route what generates the alarm signals for the buzzer?

2) Any thoughts on the horn? Should I bother wiring one in permanently? I was smart enough to add an unused wire between the panel and my forward terminal block which could easily become the horn.

Ongaro Stainless Steel Mini Hidden Compact Single Horn
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