[Rhodes22-list] Brad - Air Conditioning

[Bill Effros]

Brad,

Roger would have leapt to my aid by now.  I've got to look this stuff 
up, it's not just swimming in my head.  (People who dislike satire, stop 
reading this paragraph.)  You don't want to change the name of your boat 
to R.I.P.

Carbon monoxide is insidious because it has a cumulative effect over 
time.  The time can be very short--like one night.  You can't see or 
smell carbon monoxide.  Each particle that gets into your lungs becomes 
attached to a blood cell, and prevents that blood cell from delivering 
oxygen to the other cells in your system--instead it delivers the carbon 
monoxide.  Your system quietly starts shutting down for lack of "air," 
but if you're asleep you don't notice.  Children and small wives die 
faster than big guys because they have fewer cells so they shut down 
sooner.  You accidentally pump enough of that stuff into your cabin, you 
can die in 1 to 3 minutes.  (More satire to end of paragraph.) "Hey 
honey, is it getting cool down there?"

Carbon monoxide kills entire families in big houses all the time.  
Roughly 1500-2000 people a year die in the US from carbon monoxide 
poisoning, almost all of them when something goes wrong in an existing, 
professionally installed, certified exhaust system. 

Now, you guys are talking about protecting yourselves with coffee cans, 
shop hoses, and coolers.  You plan to enclose your family in a tiny 
space, close all the windows, and recirculate cooled air in that space 
so any carbon monoxide that may have missed your lungs the first time 
around, will get another chance.

Brad, I really don't think you are going to do this.

BTW Putting an exhaust hose into water is a really really bad idea.  It 
creates back pressure that the engine is not designed for.  This will 
shorten the life of the engine, but more importantly in this 
application, it will cause improper combustion which increases carbon 
monoxide output.  The back pressure will also damage the exhaust system 
causing it to leak above the water line.

Your Friend,

Bill Effros

brad haslett wrote:

>Bill,
>
>Nope, we're dead serious.  Well, maybe that is a bad
>choice of words.  There was a spate of carbon monoxide
>deaths out on Lake Havasau a few years back with
>houseboats and carbon monoxide gathering under the
>swim platform.  A lot of people on other boating lists
>have been bungee cord mounting their gensets on the
>swim platform.  That doesn't solve the problem.  I
>think the key is to get the exhaust up high, or below
>the waterline.  I don't want the genset in the cabin
>so it needs to go topside. Some folks put the Honda in
>the dink but it has tipover protection and frequently
>shuts down when the dink gets hit by a wave. Another
>idea is to mount it in an industrial plastic box
>(think Home Depot) and silence it even more.  Attached
>is a message from another list associated with that
>idea.
>
>I can't change the name of this boat because my
>daughter already knows it is named after her but my
>next boat may be named the "Rube Goldberg".
>
>  --------    A friend of mine put a Honda 1000 watt
>(old style) in a full size cooler. He put a 110 v fan
>in one end and a hole in the other end for air to get
>out. He put the Honda into the cooler with the exhaust
>end towards the exit hole. When he started the Honda
>the fan came on and cooled the whole set up. It was
>relatively noise free even though it was the older
>louder unit. He also extended the exhaust out through
>the side of the cooler and down into the water - this
>quieted the exhaust.
>He bolted the cooler to his swim platform and all he
>did was lean over the transom, lift the top of the
>cooler, start the generator, close the lid and sit
>back and relax. This worked very well and he used it
>for 2 or 3 years.
>Earl ---------------------------------------
>
>Brad
>
>
>--- Bill Effros <bill at effros.com> wrote:
>  
>
>>You guys have got to be kidding.  Where is Roger
>>when we need him?
>>
>>Bill Effros
>>
>>brad haslett wrote:
>>
>>    
>>
>>>Bob,
>>>
>>>I think I got the gist of your setup.  A picture
>>>      
>>>
>>would
>>    
>>
>>>be worth a thousand words. How is the can attached
>>>      
>>>
>>to
>>    
>>
>>>the Honda? I've thought about various setups like
>>>exhausting through the engines exhaust port,
>>>      
>>>
>>putting
>>    
>>
>>>the Honda on the dink downwind, etc.  Yours sounds
>>>pretty simple.  A lot of my friends, mostly
>>>      
>>>
>>houseboat
>>    
>>
>>>and trawler types, raft up for long weekends and
>>>      
>>>
>>I'd
>>    
>>
>>>like to join them. I've even thought about just
>>>stealing power from them.  The months of June
>>>      
>>>
>>through
>>    
>>
>>>mid-September here are so hot it is impossible to
>>>anchor out unless you just enjoy sleeping in 90
>>>      
>>>
>>degree
>>    
>>
>>>weather with 90 per cent humidity.  I have enough
>>>battery to run two fans all night which is good to
>>>spread your BO to the other cabin and visa versa.
>>>
>>>Using your system  might make it possible to place
>>>      
>>>
>>the
>>    
>>
>>>Honda between my forward hatch (A/C location) and
>>>      
>>>
>>the
>>    
>>
>>>mast.  The A/C makes more noise than the Honda so
>>>      
>>>
>>you
>>    
>>
>>>wouldn't even notice it inside the salon.  We're
>>>headed to the lake this morning so I'll take some
>>>measurements.
>>>
>>>Brad
>>>
>>>
>>>--- Robert Skinner <robert at squirrelhaven.com>
>>>      
>>>
>>wrote:
>>    
>>
>>> 
>>>
>>>      
>>>
>>>>brad haslett wrote:
>>>>   
>>>>
>>>>        
>>>>
>>>>>...  Which leaves us with the exhaust fumes
>>>>>          
>>>>>
>>issue.
>>    
>>
>>>>>     
>>>>>
>>>>>          
>>>>>
>>>>Brad,
>>>>
>>>>I use a coffee can mask with a rubber seal on the 
>>>>output end of the Honda 1000i, hooked to a 2"
>>>>plastic 
>>>>shop vacuum hose, to carry both the hot cooling
>>>>        
>>>>
>>air 
>>    
>>
>>>>and the exhaust fumes out of the cabin and up the
>>>>mast.  The end of the hose is run up the mast with
>>>>        
>>>>
>>a
>>    
>>
>>>>spare halyard.  If the gen set is in the cockpit
>>>>        
>>>>
>>at 
>>    
>>
>>>>anchor, the hose goes up farther.
>>>>
>>>>/Bob Skinner
>>>>__________________________________________________
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>>>>   
>>>>
>>>>        
>>>>
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>>>      
>>>
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>>    
>>
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>>>
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>>    
>>
>>> 
>>>
>>>      
>>>
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>
>
>		
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