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Showing results 1 to 25 of 500
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Search: Posts Made By: LakeSuperiorGeezer
Forum: General Discussion (sailing related) 04-25-2012
Replies: 14
Views: 3,499
Posted By LakeSuperiorGeezer
Re: Grounding a Battery?

I would ground the propeller and shaft to the lighting protection system, not the DC electrical ground nor tie it into a ground that ties all metals on the hull to anodes. Here’s a link on it:...
Forum: General Discussion (sailing related) 04-24-2012
Replies: 14
Views: 3,499
Posted By LakeSuperiorGeezer
Re: Grounding a Battery?

One can use an electrical conducting brush on the propeller shaft and have the engine isolated. Here is some research on lightening protection with a lot of various links on the subject:...
Forum: Gear & Maintenance 04-24-2012
Replies: 17
Views: 1,462
Posted By LakeSuperiorGeezer
Re: Solar chimney

I have a brother who works for the National Park Service. The Park Service has tried the solar chimney on both chemical and composting toilets. Engineers tried testing this to see what was going on...
Forum: Gear & Maintenance 04-24-2012
Replies: 4
Views: 499
Posted By LakeSuperiorGeezer
Re: Old brass thru hull for sink leaking

You might have dezincification if brass. The metal in the through hull will be very weak and have a pink color since the zinc is leached out and you only have a copper sponge left. You will need a...
Forum: Gear & Maintenance 04-24-2012
Replies: 9
Views: 556
Posted By LakeSuperiorGeezer
Re: Voltmeter wobbles?

Thinking about the pulsing voltage, two things come to mind. The compressor is not getting enough current so the compressor stalls and kicks out, first taking current and then dropping out causing...
Forum: General Discussion (sailing related) 04-21-2012
Replies: 14
Views: 3,499
Posted By LakeSuperiorGeezer
Re: Grounding a Battery?

You will need an electrical panel with fuses. If you want jerry rigged setup you will still need fuses to prevent an electrical fire with possible loss of boat
Forum: Learning to Sail 04-20-2012
Replies: 17
Views: 12,508
Posted By LakeSuperiorGeezer
Re: Sailing schools in San Francisco South Bay Area

I am taking an American Sailing Association course, the Basic Keelboat ASA 101 from Modern Sailing School and Club in Sausalito, California. Last Saturday and Sunday I and one other student, Nick,...
Forum: General Discussion (sailing related) 04-20-2012
Replies: 14
Views: 3,499
Posted By LakeSuperiorGeezer
Re: Grounding a Battery?

If you have an engine with alternator for battery charging, you will have to run a ground wire to the engine. At the flange connected to the transmission, you could put in an isolation coupling that...
Forum: Gear & Maintenance 04-19-2012
Replies: 17
Views: 5,854
Posted By LakeSuperiorGeezer
Re: Rebuilding Yanmar 3GM30F; need advise $?

If there was coolant in the engine after the 20 minutes even if it was boiling, then almost certain there was no damage. Was there any coolant after you let the engine get cold?

If the coolant was...
Forum: General Discussion (sailing related) 04-19-2012
Replies: 67
Views: 5,294
Posted By LakeSuperiorGeezer
Re: I have had it with inboards

Good idea, and also check on fuel consumption. The simple formula for speed is to take the square root of the horsepower, (the square root of 2 horsepower is 1.414) multiply by 15 and divide by the...
Forum: General Discussion (sailing related) 04-19-2012
Replies: 67
Views: 5,294
Posted By LakeSuperiorGeezer
Re: I have had it with inboards

Expect about 5 hours per day of output at half the rated amount because panels on a sailboat are not usually oriented towards the sun. With clouds figure about half of that. What really needs to be...
Forum: General Discussion (sailing related) 04-19-2012
Replies: 67
Views: 5,294
Posted By LakeSuperiorGeezer
Re: I have had it with inboards

The guideline is based on the assumption that you can get at least 2 knots against a force 5 wind two miles from a weather shore, that is moderate waves of some length (3 to 6 foot wave height), many...
Forum: Gear & Maintenance 04-19-2012
Replies: 17
Views: 5,854
Posted By LakeSuperiorGeezer
Re: Rebuilding Yanmar 3GM30F; need advise $?

I agree with the above. Check the fuel injection pump. Most likely there is nothing wrong with it, but water in the fuel can cause premature wear. I would also replace the injectors or at least have...
Forum: General Discussion (sailing related) 04-18-2012
Replies: 67
Views: 5,294
Posted By LakeSuperiorGeezer
Re: I have had it with inboards

Figure three to four horse power per ton of displacement. I think the one cylinder Volvo diesel was seven horsepower. A Tohatsu 6hp Sail Pro model with the standard 25" extra long shaft high-thrust...
Forum: Gear & Maintenance 04-14-2012
Replies: 33
Views: 2,475
Posted By LakeSuperiorGeezer
Re: Epoxy on the prop?

I don't know because not enough troubleshooting has been done on the prop. If there is dezincification, the epoxy, even though it is wonder product for may things, will not be up to fixing the prop....
Forum: Gear & Maintenance 04-14-2012
Replies: 33
Views: 2,475
Posted By LakeSuperiorGeezer
Re: Epoxy on the prop?

Tap the prop with a wrinch or small hammer. The prop should ring, if a dull thud, you need another prop. The problem is dezincafication

Do not use a fresh water prop in salt water...
Forum: General Discussion (sailing related) 04-09-2012
Replies: 8
Views: 541
Posted By LakeSuperiorGeezer
Re: Insurance for sailing in a club?

I own my boat and the yacht club I belong to requires that I carry liability insurance. I get that through my home owners insurance. It's not much money and the policy goes to $1,000,000 with an...
Forum: General Discussion (sailing related) 04-07-2012
Replies: 4
Views: 439
Posted By LakeSuperiorGeezer
Re: Battery wires and cables?

The 2 guage would allow for an 80 foot run carrying 25 amps going both ways, one wire for ground and the other for hot. At 5 feet you could use 2 guage for an engine starter. What items are you going...
Forum: Gear & Maintenance 04-05-2012
Replies: 13
Views: 1,289
Posted By LakeSuperiorGeezer
Re: Restoring bootstripe by wet sanding?

Be careful on being too aggressive as the gelcoat is only 20 thousandth of an inch or about the thickness of seven pieces of printer paper.
Forum: Gear & Maintenance 04-05-2012
Replies: 13
Views: 1,289
Posted By LakeSuperiorGeezer
Re: Restoring bootstripe by wet sanding?

If the boot stripe is white, use iron and rust stain remover. Takes that brown color back to white. I have not tried this myself, but have this boot stripe problem. If you try it, let me know how it...
Forum: Gear & Maintenance 03-31-2012
Replies: 22
Views: 1,568
Posted By LakeSuperiorGeezer
Re: Battery

I would go with two Wal-Mart deep cycle batteries. The starters on these small diesels used in sailboats really do not require that much amps to start these engines. A matched set of batteries will...
Forum: Learning to Sail 03-13-2012
Replies: 35
Views: 3,211
Posted By LakeSuperiorGeezer
Forum: Gear & Maintenance 02-25-2012
Replies: 13
Views: 5,605
Posted By LakeSuperiorGeezer
The 9.9 HP is ok if you throttle it back;...

The 9.9 HP is ok if you throttle it back; otherwise, lots of wasted gasoline. You want the bow wave to come back and lift the stern so the boat is not going uphill wasting fuel. A 4 cycle will not...
Forum: Gear & Maintenance 02-25-2012
Replies: 29
Views: 42,004
Posted By LakeSuperiorGeezer
On the Honda, wear ear plugs. Corrosion inside...

On the Honda, wear ear plugs. Corrosion inside the engine is not a problem with air cooling, although I have to admit that the stainless steels they use in some of the modern outboards is an...
Forum: Gear & Maintenance 02-19-2012
Replies: 77
Views: 6,721
Posted By LakeSuperiorGeezer
50 volts can be lethal

50 volts can be lethal
Showing results 1 to 25 of 500

 

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