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#11
posted to rec.boats.cruising
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Gogarty, you're stupid if you really think it's ice in the choke point.
On Wed, 04 May 2011 20:21:55 -0400, Wayne B
wrote: On Wed, 4 May 2011 19:21:38 -0400, "Wilbur Hubbard" wrote: She said she even took the software off her computer because of the attacks and 'chest-thumping' which she could not abide. That's odd since "she" is still posting on rec.boats under a different name. Bi-polar disorder? Cheers, Bruce (bruceinbangkokatgmaildotcom) |
#13
posted to rec.boats.cruising
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Gogarty, you're stupid if you really think it's ice in the choke point.
On Wed, 4 May 2011 17:10:35 -0400, "Wilbur Hubbard"
wrote: "Gogarty" wrote in message ... In article .com, llid says... "Gogarty" wrote in message ... In article .com, llid says... Duh. WAKE UP. The refrigerant is hot or warm in the orifice in the choke point. It's still compressed there. Ain't no way ice is going to form there. Debris blocking it maybe; ice - NO! Only when the refrigerant exits the choke point and begins to expand does it get cold enough to freeze water. This happens AFTER the choke point and not at the choke point. Is everybody on RBC stupid? Are they all Bruce in Bangkok clones or something? Here ya be: "Moisture in a refrigeration system, directly or indirectly, is the cause of most problems and complaints. First, moisture can cause freeze-up in a system. Moisture is picked up by the refrigerant and transported through the refrigerant line in a fine mist, with ice crystals forming at the point of expansion." Ah HAH! The point of expansion - EXACTLY! The refrigerant only begins to expand AFTER the choke point. Up to the choke point, the compressed refrigerant is actually warm. Not in an overcharged system. EXACT-****ING-LY. If you were capable of reading with comprehension you would have read my saying exactly THAT. I said to bleed some excess pressure from your system and enjoy a working system even if you refuse to acknowlege my excellent advice, PUTZ! Nope Willie, like a lot of things you read but you didn't understand. The chap you quoted has it right, the temperature drop takes place AT the point of expansion, not someplace after the orifice. You must have a rather odd edition of a basic physics manual - the temperature drop occurs somewhere downstream of the orifice..... Nope Willie, you got it wrong and all the ducking and diving that you do isn't going to prove that it right. Wilbur Hubbard Cheers, Bruce (bruceinbangkokatgmaildotcom) |
#14
posted to rec.boats.cruising
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Gogarty, you're stupid if you really think it's ice in the choke point.
On Wed, 04 May 2011 15:05:38 -0400, Gogarty
wrote: In article .com, says... "Gogarty" wrote in message ... In article .com, llid says... Duh. WAKE UP. The refrigerant is hot or warm in the orifice in the choke point. It's still compressed there. Ain't no way ice is going to form there. Debris blocking it maybe; ice - NO! Only when the refrigerant exits the choke point and begins to expand does it get cold enough to freeze water. This happens AFTER the choke point and not at the choke point. Is everybody on RBC stupid? Are they all Bruce in Bangkok clones or something? Here ya be: "Moisture in a refrigeration system, directly or indirectly, is the cause of most problems and complaints. First, moisture can cause freeze-up in a system. Moisture is picked up by the refrigerant and transported through the refrigerant line in a fine mist, with ice crystals forming at the point of expansion." Ah HAH! The point of expansion - EXACTLY! The refrigerant only begins to expand AFTER the choke point. Up to the choke point, the compressed refrigerant is actually warm. Not in an overcharged system. After it gets past the choke point it can then expand and become cold as it expands. If you look at the evaporator you will see a couple of interesting things. The large diameter copper tubing from the compressor chokes down to a spiral of very small diameter copper tubing (choke point) which spirals around the larger copper tube. The whole freaking thing has warm refrigerant inside... (Snip) You sound like a Republican claiming credit for the death of Osama bin Laden, I am familiar with both over charge and under charge in a refrigerator system. The point you are overlooking is the manner in which the various tubes are related. The cap tube does not suddenly appear as a coil of very fine tubing just ahead of the evaporator. It is inside the tube that runs from the discharge side of the evaporator to the suction side of the compressor. If the unit is overcharged then liquid is still in the evaporator and inside the large diameter discharge to suction tube where it continues to flash and cool the refrigerant to well below the freezing point of water before it reaches the evaporator. There is no "choke point." The cap tube terminates at the copper to aluminum transition where it is free to expan. Visual evidence is frost on the tube inside of which is the cap tube. In a dry system over charge will degrade performance and increase power demand. But it won't stop the system from running and cooling. Serious overcharge can put liquid refrigerant back into the suction side of the compressor which is not a good thing. Gogarty, I applaud your knowledge but it is a fruitless task to attempt to educate Willie-boy. He knows it all. Cheers, Bruce (bruceinbangkokatgmaildotcom) |
#15
posted to rec.boats.cruising
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Gogarty, you're stupid if you really think it's ice in the choke point.
On Wed, 4 May 2011 12:29:23 -0400, "Wilbur Hubbard"
wrote: "Gogarty" wrote in message ... In article .com, llid says... Duh. WAKE UP. The refrigerant is hot or warm in the orifice in the choke point. It's still compressed there. Ain't no way ice is going to form there. Debris blocking it maybe; ice - NO! Only when the refrigerant exits the choke point and begins to expand does it get cold enough to freeze water. This happens AFTER the choke point and not at the choke point. Is everybody on RBC stupid? Are they all Bruce in Bangkok clones or something? Here ya be: "Moisture in a refrigeration system, directly or indirectly, is the cause of most problems and complaints. First, moisture can cause freeze-up in a system. Moisture is picked up by the refrigerant and transported through the refrigerant line in a fine mist, with ice crystals forming at the point of expansion." Ah HAH! The point of expansion - EXACTLY! The refrigerant only begins to expand AFTER the choke point. Up to the choke point, the compressed refrigerant is actually warm. After it gets past the choke point it can then expand and become cold as it expands. If you look at the evaporator you will see a couple of interesting things. The large diameter copper tubing from the compressor chokes down to a spiral of very small diameter copper tubing (choke point) which spirals around the larger copper tube. The whole freaking thing has warm refrigerant inside... Willie-boy it is a crying shame that you don't know anything about refrigeration systems, or physics for that matter. The temperature of a gas decreases at the point the pressure drops. Not at some point downstream of the orifice (not "check point, you fool) and water freezing and blocking the system at that point is a common problem in refrigeration systems. Only AFTER the choke point where the refrigerant can begin to expand does the evaporator get cold. Once again, you don't know what you are talking about. The temperature decrease is AT the orifice, not downstream of it. Willy-boy you are not only demonstrating your ignorance of fridge systems but you are demonstrating just how big a fool you are. You voiced your opinion about osmosis - Wrong. Next you try to recover your credibility by talking about fridge systems - Wrong again. I wonder whether you will ever be right. snip Wilbur Hubbard Cheers, Bruce (bruceinbangkokatgmaildotcom) |
#16
posted to rec.boats.cruising
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Gogarty, you're stupid if you really think it's ice in the choke point.
On Wed, 4 May 2011 20:46:55 -0400, "Wilbur Hubbard"
wrote: "Wayne B" wrote in message .. . On Wed, 4 May 2011 19:21:38 -0400, "Wilbur Hubbard" wrote: She said she even took the software off her computer because of the attacks and 'chest-thumping' which she could not abide. That's odd since "she" is still posting on rec.boats under a different name. Endeplume??? How do you know they are the same person? Jessica was a conservative voice and deplume is a rabid asshole liberal. Their headers are suspiciously similar, down to the news client and hushmail and even time zone but there are lots of people out there on the left coast. The same person would sound the same, have the same tone, etc. Or Willie is deluded once again. Cheers, Bruce (bruceinbangkokatgmaildotcom) |
#17
posted to rec.boats.cruising
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Gogarty, you're stupid if you really think it's ice in the choke point.
On Thu, 05 May 2011 16:16:20 -0400, Gogarty
wrote: Without the mainifold one just runs the pump for a log time, removes the pump and attaches the R34a can to the port with an adapter. The adapter has a gauge on it and a trigger for squirting in the refrigerant. The system would not be running. Normal practice is to charge the system from the low pressure port with the compressor running. Before attaching the adapter to the low pressure port it is a good idea to shoot a small amount of coolant through the hose to clear out any residual air and moisture. |
#18
posted to rec.boats.cruising
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Gogarty, you're stupid if you really think it's ice in the choke point.
On Sat, 14 May 2011 15:48:03 -0400, Gogarty
wrote: I bought a vacuum pump, hoses for R134a refrigerant and a can of same. Connected the suction-side port to the pump and ran it for about an hour. Charged the evacuated system with refrigerant and started it. Presto! Now running like brand new. Anybody want to rent a vacuum pump and hoses? Needed only one hose, the blue one, but they come in sets of red, blue and yellow. Congratulations! Now you're an expert and can go into business, at least on Usenet. :-) Even with the purchase of the vacuum pump and hoses you are still ahead vs the cost of a service call, and now you know how to fix it yourself. Since I've got a freezer and two fridges on board, I have now acquired a full set of "stuff" including a leak detector, vacuum pump with extra oil, an assortment of can taps, the Nigel Calder books, and a couple of gauge/hose sets. See you in the Out Islands with cold beer and frozen fish. :-) |
#19
posted to rec.boats.cruising
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Gogarty, you're stupid if you really think it's ice in the choke point.
On Sat, 14 May 2011 15:48:03 -0400, Gogarty
wrote: Wilbur, eat your heart out -- if you have one. In the face of comments from many far better informed about refrigerators you continued to insist that the problem with my fridge was overcharging. Given the manner in which the machine was operating, the consensus diagnosis was water vapor causing ice at the orifice and blocking refrigerant flow. The machine would run perfectly for about ten minutes then stop cooling while the compressor got hot and the pressure-side line to the condenser got cold. I bought a vacuum pump, hoses for R134a refrigerant and a can of same. Connected the suction-side port to the pump and ran it for about an hour. Charged the evacuated system with refrigerant and started it. Presto! Now running like brand new. Anybody want to rent a vacuum pump and hoses? Needed only one hose, the blue one, but they come in sets of red, blue and yellow. And yet another pebble added to the pile of proof that Willy-boy knows not of what he speaks. Cheers, Bruce |
#20
posted to rec.boats.cruising
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Gogarty, you're stupid if you really think it's ice in the choke point.
"Bruce" wrote in message
... On Sat, 14 May 2011 15:48:03 -0400, Gogarty wrote: Wilbur, eat your heart out -- if you have one. In the face of comments from many far better informed about refrigerators you continued to insist that the problem with my fridge was overcharging. Given the manner in which the machine was operating, the consensus diagnosis was water vapor causing ice at the orifice and blocking refrigerant flow. The machine would run perfectly for about ten minutes then stop cooling while the compressor got hot and the pressure-side line to the condenser got cold. I bought a vacuum pump, hoses for R134a refrigerant and a can of same. Connected the suction-side port to the pump and ran it for about an hour. Charged the evacuated system with refrigerant and started it. Presto! Now running like brand new. Anybody want to rent a vacuum pump and hoses? Needed only one hose, the blue one, but they come in sets of red, blue and yellow. And yet another pebble added to the pile of proof that Willy-boy knows not of what he speaks. He, in effect, did just what I recommended he should. But, instead of simply letting some of the extra refrigerant out, he vacuumed it out and then added the correct amount back. Sounds like proof that I was correct, Mr. Know-it-all. Wilbur Hubbard |
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