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From: Larry N. Brown (no email)
Date: Sun Jun 03 2007 - 10:40:54 EDT
Listees-
Yet another puzzle to be solved. I installed 4 CO detectors aboard Cigano a
couple years ago, two Kidde CO/fire/smoke detectors and two CO Experts
low-level CO monitors. They are strategically installed around the boat to
alert sleepers, particularly, and the CO Experts are really sensitive.
You might recall about a year and a half ago, I had some relish-- very similar
to sauerkraut-- fermenting in a crock in the fwd head and it do make a smell.
We had a guest coming to visit so my wife insisted I remove the vile stuff. I
staged the removal by first moving the crock to the galley. After dinner I was
going to move it up to the house. During dinner, the fwd CO alarm started its
initial alert. It was about 6' from the crock and showed 26 PPM. Figured it
was a false alarm and brought the aft one up and waved it over the crock just
to check and bingo, alert and 29 PPM reading.
After they fire, it takes a long time for them to ratchet down because they
contain an algorithm to mimic the human body tissue saturation.
Yesterday, during dinner and after hearing nary a tweet out of them for over a
year aboard, grilling meat, miking stuff, and a month's cooking on the propane
stove, and off went the fwd unit. 26 PPM. We silenced it and a minute or two
later, the aft unit fired off- 26 PPM. Now, we're tied up at the dock and have
run no machinery in over a week. We're closed up and have AC running all the
time from shore power.
The meter has steadily dropped from 26 to 15 this morning and it's now reading
10. Nary a peep from the propane sensors and we weren't using the stove anyway
so the solenoid was off at the bottle. Any ideas?
The only remote thing I can think of that might shed any light on it was we'd
made some charro beans in the mike just before sitting down. Pintos, onions
and bacon. Can anyone make a guess as to whether that might have cooked off
some CO. Spooky.
By the way, we finally got unglued from our dock in Covington and although we
made only a 33 nm run, our minds are light-years away. We have a month or
two's work here before we continue the adventure.
Regards,
Larry and Teri
M/V Cigano, 47' Prairie Sundeck Cruiser
Lying: Slidell, LA
N 30 13.28
W 89 48.63
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