[Public-List] Bizzare electrical problem

[n4lbl]

That was true, but,,,,

http://www.thebatteryterminal.com/TechTalk_Batteries_on_Concrete.htm

http://www.snopes.com/autos/techno/battery.asp

http://www.cartalk.com/content/business-batteries-and-concrete-floors-needs-be


On Sun, Apr 7, 2013 at 9:19 AM, Don Campbell <dk.campbell at xplornet.ca>wrote:

> That is the quickest way to drain a battery that sits without being
> recharged,  and if you set a battery onto concrete,  this is the way charge
> is lost to ground, i.e. through condensation between the battery and the
> concrete. By setting the battery onto a piece of wood,  that breaks the
> continuity of the water film and so maintains the charge in the battery.
>
> Don
> On 4/6/2013 2:31 PM, Gordon Laco wrote:
>
>> That's good advice.   I once had a shock (pun intended) when I casually
>> touched the probe of a multimeter to the inside skin of my boat while the
>> other probe was touching the SIDE of one of my batteries.    There was a
>> slight current.    I noticed everything was damp with condensation.   I
>> dried everything I could reach and was able to kill the stray current, at
>> least so far as my meter could detect.   If ever there was a good reason
>> for battery boxes and good ventilation, I reckon that taught me.
>>
>> Gord #426 Surprise
>> (In Kingston Ontario doing the Antique Boat Symposium)
>>
>> On 2013-04-06, at 1:58 PM, pat nolan <pnolan33 at yahoo.com> wrote:
>>
>>  A lifetime accumulation of salt can cause all sorts of electrical
>>> gremlins .. I once told a guy with all sorts of electrical problems to wash
>>> his engine room. He thought that I was nuts , but it cured his problems.
>>> Scrub in the hard to get at places . measure with an ohm meter to check for
>>> connections.
>>>
>>>
>>> ______________________________**__
>>> From: Glennb <brooks.glenn at comcast.net>
>>> To: "alan.schulman at gmail.com" <alan.schulman at gmail.com>; Alberg 30
>>> Public List -- open to all <public-list at lists.alberg30.**org<public-list at lists.alberg30.org>
>>> >
>>> Sent: Friday, April 5, 2013 8:29 PM
>>> Subject: Re: [Public-List] Bizzare electrical problem
>>>
>>> Alan,
>>>
>>> Thanks, interesting. The cooked wire does seem to be coincident with my
>>> engine start- first time since October.  So your suggestion seems feasible.
>>> The only thing I am having trouble visualizing is how the antenna coax is
>>> connected electrically to the ground.
>>>
>>> i didnt describe the set up completely accurately.  The antenna is
>>> actually bolted to the aft SS pushpit, which is thru bolted to the deck.
>>>  The antenna lead comes up through the taff rail.  Would the FG hull/deck
>>> conduct enough electricity to carry the resistance to the pushpit then back
>>> through antenna cable? i suppose the physical connection to the radio frame
>>> and radio ground would transmit the ground back to the engine through the
>>> master ground buss. Just not sure how the circuit could be made through the
>>> pushpit.
>>>
>>> I'll go check out the battery and starter ground etc tomorrow or Sunday.
>>>  The radio does have a circuit breaker on the positive, but no fuse on any
>>> of the negative side.
>>>
>>> Thanks,
>>> Glenn
>>> Dolce 318
>>> Sent from my iPad
>>>
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>>
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