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Old 31-12-2018, 07:52   #16
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Re: Has this boat suffered a lightning strike?

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Originally Posted by billknny View Post
I would assume, and make any offer assuming, that the electronics were all dead. Any other assumption is your risk.


Agree 100%. Not necessarily a bad thing, as many used boats have out of date electronics anyway.
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Old 31-12-2018, 08:45   #17
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Re: Has this boat suffered a lightning strike?

Also keep in mind that a lightning strike can damage more than just the electronics.

The hull can develop pin hole leaks which can be difficult to discover.
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Old 31-12-2018, 09:08   #18
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Re: Has this boat suffered a lightning strike?

I would check the ground wires and cables, I can't imagine you wouldn't have a ton of melted wires if the vessel were struck by lighting, Good Luck.
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Old 31-12-2018, 09:23   #19
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Re: Has this boat suffered a lightning strike?

If, as you say, the boat has been on the hard in the Caribbean for five years that could be heat damage. A closed up boat on the hard would get very hot in the Caribbean sun.

Regardless, you should get a thorough survey before buying and maybe withhold part of the purchase price to cover undiscovered problems.
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Old 31-12-2018, 09:33   #20
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Re: Has this boat suffered a lightning strike?

Lightning strike could be very subtle, not enough to leave evidence yet strong enough to fry all electroncis. You could take various instruments apart and look at the Printed circuit boards. Lightning strike damaging electronics would typically blow surface mounts components off the board.

For instance on mine which was hit by lightning twice 2 owners ago, I found that every electronics device had issues. Either not powering up or blowing a fuse when i press the power button. Opening it, usually revealed fried circuit board with one or more components blown off, or evidence of carbon(burned marks) on the PCB. Since you don't have batteries, take a chart plotter or some other simpler piece of electronics like wind instrument and open it up.
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Old 31-12-2018, 11:02   #21
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Re: Has this boat suffered a lightning strike?

Fried electronics from a lightning strike is an easy fix. Just replace it.

The BIG problem is the other damage, likely unseen, that can be caused, from frying the wiring to actually damaging the hull. If in doubt, consider a survey.
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Old 31-12-2018, 11:59   #22
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Re: Has this boat suffered a lightning strike?

Thank you all for your input and advise, back in the states now and reviewing the 100's of photos I took, five years in this climate has been very harsh, the sun and humidity has certainly taken its toll. Kicking myself for not using the car battery or buying a jump start box as you guys suggested, some systems are 24V adding to the fun of checking things out. Currently owned by a non sailor, currently negotiating another visit with him, so he can understand the current conditions.
I must however remember to use my head and not my heart in this deal.
Thanks again, Paul.
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Old 31-12-2018, 13:27   #23
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Re: Has this boat suffered a lightning strike?

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Originally Posted by Fatboypaul View Post
I must however remember to use my head and not my heart in this deal.
Thanks again, Paul.
Use your head, not your heart in a boat deal?
You are kidding, right?
The Heart always wins in a boat deal.
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Old 31-12-2018, 13:27   #24
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Re: Has this boat suffered a lightning strike?

Please post more pics if you have them.
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Old 31-12-2018, 14:14   #25
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Re: Has this boat suffered a lightning strike?

Using a rental car? Borrow the battery and jumper cables..
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Old 31-12-2018, 15:51   #26
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Re: Has this boat suffered a lightning strike?

On the hard for 5 years in the Caribbean .... hmmm could be a number of other things wrong that are far worse than lost electronics, particularly if there was a lightning strike. Water and sun damage can play havoc with a boat laid up that long. I'd get a professional
to check her engine, hull, deck, rigging and wiring before going any further. JMHO
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Old 31-12-2018, 16:34   #27
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Re: Has this boat suffered a lightning strike?

Very unlikely. I've surveyed dozens of lightning strikes in Singapore and never seen a screen like that. Suggest you borrow a couple of batteries to power up and see what works.
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Old 31-12-2018, 16:50   #28
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Re: Has this boat suffered a lightning strike?

One of the guys here got struck, he said it burnt a 2" hole through the hull.

If the boat were on stands the strike may run down one of the stands which may conceal any damage under the pad.

I have no experience and my head is saying if there is a good contact and no arc there is probably no damage but before I bought I think I would want to take a look.

Otherwise I agree with the statements above, price your offer as if you need to replace the electrics and explain why, if he says that they are ok, then he would need to demonstrate it otherwise to a buyer there is a reasonable reason to believe they don't work. If he demonstrates them then the boat is worth more so adjust your offer to suit. But if he refuses stick with your price.

Some buyers and some sellers are unreasonable, if you encounter them it doesn't matter just go on to the next one it's not your job to change them.
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Old 31-12-2018, 18:42   #29
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Re: Has this boat suffered a lightning strike?

If a lightning strike, doesn't the current need to go to the ground? Through the fiberglass to the nearest metal to ground such as a jackstand or the bottom of the keel? Grab a yard helper and move jackstands one at a time to check for burn marks. Just a thought.
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Old 01-01-2019, 13:45   #30
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Re: Has this boat suffered a lightning strike?

Just get two of those 6 volt batteries that you get for a torch (flashlight). Wire them in series and connect up to the plotter. That will give you pleny of power to test the electronics. Otherwise I would just assume that they needed to be replaced.
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