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#1
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Well, I bought one of those 5,000 btu window air conditioners from Wal-Mart
for $78 to put on our sailboat. we are going to just use it at the dock with shore power. You have to do something here with highs of 98° and 100% humidity. I have to keep the Admiral comfortable and happy ;o) Anyway, I digress. I don't want to have a huge ugly AC unit blocking the entire hatch way like some do, so here is what I am going to try. I am going to keep the AC unit stowed away normally and set it up when we are wanting to use it. Here is what I am thinking. 1) I will set the AC over my sink which is just inside the hatch and to starboard (that way the condensation will drip into the sink). 2) I have added 2 ducts to the AC (I bought some nice looking 4" dryer duct that is flexible and made of aluminum, it looks sharp.) 3) I have one duct going to the side where air is sucked in. 4) I have the second duct coming off the back. 5) I made a second (lower) hatch board with 2 holes cut for the two ducts to go through. 6) I may get a second piece of ducting hose to attach on the other side of the hatch so the hot air will not be blowing into the cockpit. Well, I am still making it. Any comments. Oh, I bought a Fedders Ac and it only draws 4.6 amps which I am sure I can get a small generator to run if I have a mind to. Happy sails, John |
#2
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"FamilySailor" wrote in message ...
There goes the neighborhood. Try cruise air or aqua air. Joe Happy sails, John |
#3
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![]() Sounds like moving to a trailer park would be you solution with that kludge Well, I bought one of those 5,000 btu window air conditioners from Wal-Mart for $78 to put on our sailboat. we are going to just use it at the dock with shore power. You have to do something here with highs of 98° and 100% humidity. I have to keep the Admiral comfortable and happy ;o) Anyway, I digress. I don't want to have a huge ugly AC unit blocking the entire hatch way like some do, so here is what I am going to try. I am going to keep the AC unit stowed away normally and set it up when we are wanting to use it. Here is what I am thinking. 1) I will set the AC over my sink which is just inside the hatch and to starboard (that way the condensation will drip into the sink). 2) I have added 2 ducts to the AC (I bought some nice looking 4" dryer duct that is flexible and made of aluminum, it looks sharp.) 3) I have one duct going to the side where air is sucked in. 4) I have the second duct coming off the back. 5) I made a second (lower) hatch board with 2 holes cut for the two ducts to go through. 6) I may get a second piece of ducting hose to attach on the other side of the hatch so the hot air will not be blowing into the cockpit. Well, I am still making it. Any comments. Oh, I bought a Fedders Ac and it only draws 4.6 amps which I am sure I can get a small generator to run if I have a mind to. Happy sails, John |
#4
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Won't it be kinda noisy for sleeping? Did it come with a remote? A
buddy just bought a nice little $75 unit for his small office, and it has a remote. I always figgered to put one in the cockpit, let it drain to the scuppers, with air duct for the incoming cold air, especially now that they have remote controls for them. Should be quieter. Scotty "FamilySailor" wrote in message ... Well, I bought one of those 5,000 btu window air conditioners from Wal-Mart for $78 to put on our sailboat. we are going to just use it at the dock with shore power. You have to do something here with highs of 98° and 100% humidity. I have to keep the Admiral comfortable and happy ;o) Anyway, I digress. I don't want to have a huge ugly AC unit blocking the entire hatch way like some do, so here is what I am going to try. I am going to keep the AC unit stowed away normally and set it up when we are wanting to use it. Here is what I am thinking. 1) I will set the AC over my sink which is just inside the hatch and to starboard (that way the condensation will drip into the sink). 2) I have added 2 ducts to the AC (I bought some nice looking 4" dryer duct that is flexible and made of aluminum, it looks sharp.) 3) I have one duct going to the side where air is sucked in. 4) I have the second duct coming off the back. 5) I made a second (lower) hatch board with 2 holes cut for the two ducts to go through. 6) I may get a second piece of ducting hose to attach on the other side of the hatch so the hot air will not be blowing into the cockpit. Well, I am still making it. Any comments. Oh, I bought a Fedders Ac and it only draws 4.6 amps which I am sure I can get a small generator to run if I have a mind to. Happy sails, John |
#5
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John,
As long as you do this with the attitude that it's an experiment and a gamble, you won't be disappointed. Sounds like you bought the same 5K Fedders unit from Walmart that I bought (I made the water cooled heat exchanger; read "damned heat" 7/25/04). I use the ultra-quiet Honda genny (EU2000); it's light and quiet and has no problem with up to a 13,500 btu AC unit. If your rig doesn't work out for you, consider buying a water cooled condenser and install that (or hire an hvac guy for a few hours to do it). Jeff Morris posted this site, they have suitable and reasonably cheap heat exchangers you could use: http://www.rparts.com/Catalog/Major_...vaporators.asp But, regarding your current setup, here's the good news:. 1. it won't cost more than $78 plus incidentals. 2. it might work fine Here are the cautions: 1. the condenser fan is not designed to develop the higher static pressure needed to move air through duct (the motor amperage will climb as static climbs). That is why you don't see 'propeller type fans in ducted systems. 2. that unit PROBABLY pulls condensing air in on 3 sides (are you blanking the other two sides off?) 3. Fedders has a history of running with high head pressures (they go cheap with condensing coil) - so with the modifications, don't be surprised if your unit moves significantly less than 5,000 BTU/hr. You're never going to move the volume of air intended for that unit, so head pressure + amperage will go up, capacity (tonnage) will go down. If you reduce the air too much, the compressor will start cycling off on thermal overload. Good luck and keep us posted! Scout "FamilySailor" wrote in message ... Well, I bought one of those 5,000 btu window air conditioners from Wal-Mart for $78 to put on our sailboat. we are going to just use it at the dock with shore power. You have to do something here with highs of 98° and 100% humidity. I have to keep the Admiral comfortable and happy ;o) Anyway, I digress. I don't want to have a huge ugly AC unit blocking the entire hatch way like some do, so here is what I am going to try. I am going to keep the AC unit stowed away normally and set it up when we are wanting to use it. Here is what I am thinking. 1) I will set the AC over my sink which is just inside the hatch and to starboard (that way the condensation will drip into the sink). 2) I have added 2 ducts to the AC (I bought some nice looking 4" dryer duct that is flexible and made of aluminum, it looks sharp.) 3) I have one duct going to the side where air is sucked in. 4) I have the second duct coming off the back. 5) I made a second (lower) hatch board with 2 holes cut for the two ducts to go through. 6) I may get a second piece of ducting hose to attach on the other side of the hatch so the hot air will not be blowing into the cockpit. Well, I am still making it. Any comments. Oh, I bought a Fedders Ac and it only draws 4.6 amps which I am sure I can get a small generator to run if I have a mind to. Happy sails, John |
#6
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PS - I'd use the Water Cooled Tube-In-Shell Condenser # 012-0600
Capacity with 3.5 gpm water flow and 15C degrees delta T (water) = 2,650 watts (9,050 btu/hr). Don't forget you need a small water pump too. Scout "Scout" wrote in message ... John, As long as you do this with the attitude that it's an experiment and a gamble, you won't be disappointed. Sounds like you bought the same 5K Fedders unit from Walmart that I bought (I made the water cooled heat exchanger; read "damned heat" 7/25/04). I use the ultra-quiet Honda genny (EU2000); it's light and quiet and has no problem with up to a 13,500 btu AC unit. If your rig doesn't work out for you, consider buying a water cooled condenser and install that (or hire an hvac guy for a few hours to do it). Jeff Morris posted this site, they have suitable and reasonably cheap heat exchangers you could use: http://www.rparts.com/Catalog/Major_...vaporators.asp But, regarding your current setup, here's the good news:. 1. it won't cost more than $78 plus incidentals. 2. it might work fine Here are the cautions: 1. the condenser fan is not designed to develop the higher static pressure needed to move air through duct (the motor amperage will climb as static climbs). That is why you don't see 'propeller type fans in ducted systems. 2. that unit PROBABLY pulls condensing air in on 3 sides (are you blanking the other two sides off?) 3. Fedders has a history of running with high head pressures (they go cheap with condensing coil) - so with the modifications, don't be surprised if your unit moves significantly less than 5,000 BTU/hr. You're never going to move the volume of air intended for that unit, so head pressure + amperage will go up, capacity (tonnage) will go down. If you reduce the air too much, the compressor will start cycling off on thermal overload. Good luck and keep us posted! Scout "FamilySailor" wrote in message ... Well, I bought one of those 5,000 btu window air conditioners from Wal-Mart for $78 to put on our sailboat. we are going to just use it at the dock with shore power. You have to do something here with highs of 98° and 100% humidity. I have to keep the Admiral comfortable and happy ;o) Anyway, I digress. I don't want to have a huge ugly AC unit blocking the entire hatch way like some do, so here is what I am going to try. I am going to keep the AC unit stowed away normally and set it up when we are wanting to use it. Here is what I am thinking. 1) I will set the AC over my sink which is just inside the hatch and to starboard (that way the condensation will drip into the sink). 2) I have added 2 ducts to the AC (I bought some nice looking 4" dryer duct that is flexible and made of aluminum, it looks sharp.) 3) I have one duct going to the side where air is sucked in. 4) I have the second duct coming off the back. 5) I made a second (lower) hatch board with 2 holes cut for the two ducts to go through. 6) I may get a second piece of ducting hose to attach on the other side of the hatch so the hot air will not be blowing into the cockpit. Well, I am still making it. Any comments. Oh, I bought a Fedders Ac and it only draws 4.6 amps which I am sure I can get a small generator to run if I have a mind to. Happy sails, John |
#7
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Hummm.... I need to do more research I guess, but this will help us get into
the cooler fall season. Those that pick on us for wanting to sleep in comfort must not live in this high humidity climate! This is heat-stroke country. Most people don't even come down to the dock here in August. With a little ingenuity, my whole family will want to stay on the boat happily. Sail a mile in my shoes..... ;o) Without the AC the cabin interior is 102 degrees inside. |
#8
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Hey Scott,
Actually the humming will drown out the sounds of cars and car doors and people around the dock. It will be like sleeping to the hummmm of a diesel engine (like when I commercial fished) or the sound of rain on the roof. I hope it humms enough to drown out sounds. Sea Yawl, John "Scott Vernon" wrote in message ... Won't it be kinda noisy for sleeping? Did it come with a remote? A buddy just bought a nice little $75 unit for his small office, and it has a remote. I always figgered to put one in the cockpit, let it drain to the scuppers, with air duct for the incoming cold air, especially now that they have remote controls for them. Should be quieter. Scotty |
#9
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Try cruise air or aqua air.
One day maybe. Do they have a $78 model? I am saving real money for sailing items, like new sails... |
#10
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Sounds like moving to a trailer park would be you solution with that
kludge For you maybe, but that is not an option for me. I was raised on the water. |
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