Adding Window AC. Thoughts, Opinions, Suggestions?

Here is a link to an explanation on how to make DIY setup that blows air across block ice:


Many years ago I spent time in a van that had basically the same concept type setup and it did create a nice cool breeze in there for hours at a time.
 
JVM225 said:
Many years ago I spent time in a van that had basically the same concept type setup and it did create a nice cool breeze in there for hours at a time.
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What the heck were you doing in a van for hours at a time and don’t saying enjoying a cool breeze :)
 
JVM225 said:
Here is a link to an explanation on how to make DIY setup that blows air across block ice:


Many years ago I spent time in a van that had basically the same concept type setup and it did create a nice cool breeze in there for hours at a time.
Click to expand...
Post #15
 
JVM225 said:
Here is a link to an explanation on how to make DIY setup that blows air across block ice:


Many years ago I spent time in a van that had basically the same concept type setup and it did create a nice cool breeze in there for hours at a time.
Click to expand...

These are also commercially available to cool small aircraft
 
Quint4 said:
From Mr. Webster:
PORTABLE GENERATORS ON BOATS

~~~ snip ~~~
Lack of Continuous Grounding
Portable generators pose an additional shock hazard since the portable is not grounded to the boat or to a shore side ground. Likely not a problem with a drill or power tool, but if you connect it to your boat's AC system, you have essentially disconnected the green wire.

The Honda iU series generators are inverters. An inverter drives both line and neutral so it is possible to have voltage between neutral and ground. With ground bonded the the boat's bonding system, which mean to the water, this means a shock hazard may exist that normally would not. Anyone who ignores all the above risks and insists on using a portable generator should use a very good, sensitive multi-meter to throughly prove out the electrical system. That the reverse polarity light is lit is clear indication of a potential problem.

The USCG governs only boat manufacturers and the manufacturers voluntarily subscribe to ABYC guidelines, so there is no "law" against using portable generators on boats. However, both the USCG and ABYC say using portable generators on boat is a bad idea and regularly caution boaters against it.

~~~ snip~~~
Click to expand...

Based on this... let's say a guy puts a genny like the inverter Honda on the deck of his boat. Then, he plugs the output of the genny into the boat's battery charger. If there is an electrical problem on the boat, would it then be possible to pump electricity into the water? If yes, it would affect people swimming within an area around the boat. Would that happen? If yes, that is far worse than the potential of CO filling the cabin. Right? Or am I totally missing it?
 
Off topic but we have new dock neighbors that had not slipped their boat until this year. They have younger kids and they jump off their boat into the water right behind our boat. I talked to him one day about the dangers of swimming near the dock. I also stressed that I don't care if they do and I'm not that grumpy neighbor and have no problem with it but just wanted to be sure he was aware. He said he had never heard of that happening and thanked me for letting him know. The next day they were back in the water. I hope nothing happens but I did what I could.
 
boatman37 said:
Off topic but we have new dock neighbors that had not slipped their boat until this year. They have younger kids and they jump off their boat into the water right behind our boat. I talked to him one day about the dangers of swimming near the dock. I also stressed that I don't care if they do and I'm not that grumpy neighbor and have no problem with it but just wanted to be sure he was aware. He said he had never heard of that happening and thanked me for letting him know. The next day they were back in the water. I hope nothing happens but I did what I could.
Click to expand...
Heck, we have a new family that sets up a big pool ladder and brings out inflatables. It's nuts.
 
Our marina just put up a large portable sign on the main dock that says “Danger no swimming”. I have not asked yet what that is all about. Since its new and seems hastily put up its strange. I hope no one was electrocuted. I have never seen anyone swim at our marina so it seems odd to have a new sign.
 
That’s what I was wondering. Can an on board generator cause stray currents around the boat? Maybe only if close to shore?
 
I guess the answer is no. I’m reading more about it, and it seems the issue is only related to shore power, where the power comes from a land source and the ground is faulty such that the current returns to ground via water.
 
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