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#2
posted to rec.boats
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Betsy displays some sense!
Mr. Luddite wrote:
On 10/12/2018 1:04 AM, Bill wrote: Mr. Luddite wrote: On 10/11/2018 8:12 PM, wrote: On Thu, 11 Oct 2018 16:42:41 -0400, "Mr. Luddite" wrote: On 10/11/2018 3:40 PM, wrote: On Thu, 11 Oct 2018 14:11:23 -0400, John H. wrote: http://tinyurl.com/y7dezaq3 "The left is revving up attacks on capitalism just as workers on the bottom rungs are beginning to benefit from the booming U.S. economy. According to last week's jobs report, unemployment has been pushed back to its lowest level since 1969. Wages in blue-collar industries, such as construction and maintenance, are rising faster than for white-collar workers. Pay for people without a college education jumped almost 6 percent since last year -- triple the overall wage gain." Gosh, I thought wage growth was stagnant. There was an article in USA Today yesterday talking about .how wages are going up across the board and some jobs are really taking off BTW your link took me to Harbor Fright generators. About that, why is my 5.5 KW Briggs 11 hp and theirs is 8? They must have stronger horses in China With no losses considered: 8 hp = 5.96Kw 11 hp = 8.2Kw I completely forgot about a small generator I bought from a neighbor last year. It was brand new, still in the box and she decided to have a whole house generator installed instead. She only wanted $200 for it but after looking it up I decided I'd be ripping her off, so I gave her $300. It's rated at 4,750 peak watts and 3800 watts continuous. Engine is 6.3 hp. I put it together last spring and fired it up. Ran fine, was not overly noisy (for a conventional type generator). It has electric start which is nice and will run on gas or propane, although propane is at a reduced output capacity. I ran it out of gas and stored it away and, until just now, had forgotten I had it. It's a "Wren" that she got from Home Depot: https://tinyurl.com/ybef4hty I keep hearing about the reduced output capacity on propane but I don't see it. I will say fuel consumption is where the difference of energy density shows up. At full load the gasoline consumption is around 0.5 GPH and propane is more like 0.8 GPH although the gasoline is easier to measure accurately. I am just going on a gauge on a 150 gallon tank and that is not very precise. After a similar discussion on the real boat group I tested my generator using my convection oven as the load. This is 5402.7w running a 5500w generator on propane http://gfretwell.com/Propaneproject/Onpropane.jpg When I plugged in two 100w lights, it tripped the breaker before I could take pictures. I think any generator can temporarily exceed their rated capacity but they may not last long if done on a regular basis. Windings and other components will get hot and go "poof". It's not often that generators are running all the time at full capacity and if they are, you probably need a bigger generator. :-) I mentioned before that the little Honda I have is rated for 2,000 watts surge and 1600 watts continuous or 13.3 amps. It ran my large microwave with a measured amperage draw of over 16 amps for a short time but as soon as I realized how much current was being drawn I shut the microwave off. I wouldn't do that on a regular basis. The circuit breaker on the generator never tripped. I've been looking around for a larger portable generator but I want one with 4 poles instead of the typical 2 poles. 4 poles will allow the engine to run at 1800 RPM to produce it's rated output at 60Hz instead of the typical 3600 RPM in a 2 pole generator. 3600 RPM is the main reason they are so noisy. My Yamaha 2000 runs my Samsung camper microwave fine. Never ran it for a long time, mostly heat water for coffee. The Honda 2000 runs the smaller, counter-top microwave fine as well, but it's only rated at 750 watts versus the 1200 watts that the over stove, built in microwave is rated at. I purposely shopped for the lowest wattage small microwave I could find and 750 watts seemed to be the smallest. It still draws about 11 amps when running, so it needs 1320 watts of power to produce 750 watts of microwave power. 1320 watts is within the Honda's rated continuous output of 1600 watts. That's the thing. Can't confuse output power rating of the microwave with the input required to produce it. The large microwave was drawing slightly over 16 amps to produce 1200 watts of microwave power. That's at least 1920 watts. The Honda is only rated for 1600 watts continuous output and 2000 watts "surge". So to run the large microwave the Honda was running near or at it's surge rating continuously. Not good. My camper microwave is a standard over the counter unit. But since I w@s only heating for a,few minutes, probably no real drag on the generator. |
#3
posted to rec.boats
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Betsy displays some sense!
On Fri, 12 Oct 2018 08:00:23 -0400, "Mr. Luddite"
wrote: On 10/12/2018 1:04 AM, Bill wrote: Mr. Luddite wrote: On 10/11/2018 8:12 PM, wrote: On Thu, 11 Oct 2018 16:42:41 -0400, "Mr. Luddite" wrote: On 10/11/2018 3:40 PM, wrote: On Thu, 11 Oct 2018 14:11:23 -0400, John H. wrote: http://tinyurl.com/y7dezaq3 "The left is revving up attacks on capitalism just as workers on the bottom rungs are beginning to benefit from the booming U.S. economy. According to last week's jobs report, unemployment has been pushed back to its lowest level since 1969. Wages in blue-collar industries, such as construction and maintenance, are rising faster than for white-collar workers. Pay for people without a college education jumped almost 6 percent since last year -- triple the overall wage gain." Gosh, I thought wage growth was stagnant. There was an article in USA Today yesterday talking about .how wages are going up across the board and some jobs are really taking off BTW your link took me to Harbor Fright generators. About that, why is my 5.5 KW Briggs 11 hp and theirs is 8? They must have stronger horses in China With no losses considered: 8 hp = 5.96Kw 11 hp = 8.2Kw I completely forgot about a small generator I bought from a neighbor last year. It was brand new, still in the box and she decided to have a whole house generator installed instead. She only wanted $200 for it but after looking it up I decided I'd be ripping her off, so I gave her $300. It's rated at 4,750 peak watts and 3800 watts continuous. Engine is 6.3 hp. I put it together last spring and fired it up. Ran fine, was not overly noisy (for a conventional type generator). It has electric start which is nice and will run on gas or propane, although propane is at a reduced output capacity. I ran it out of gas and stored it away and, until just now, had forgotten I had it. It's a "Wren" that she got from Home Depot: https://tinyurl.com/ybef4hty I keep hearing about the reduced output capacity on propane but I don't see it. I will say fuel consumption is where the difference of energy density shows up. At full load the gasoline consumption is around 0.5 GPH and propane is more like 0.8 GPH although the gasoline is easier to measure accurately. I am just going on a gauge on a 150 gallon tank and that is not very precise. After a similar discussion on the real boat group I tested my generator using my convection oven as the load. This is 5402.7w running a 5500w generator on propane http://gfretwell.com/Propaneproject/Onpropane.jpg When I plugged in two 100w lights, it tripped the breaker before I could take pictures. I think any generator can temporarily exceed their rated capacity but they may not last long if done on a regular basis. Windings and other components will get hot and go "poof". It's not often that generators are running all the time at full capacity and if they are, you probably need a bigger generator. :-) I mentioned before that the little Honda I have is rated for 2,000 watts surge and 1600 watts continuous or 13.3 amps. It ran my large microwave with a measured amperage draw of over 16 amps for a short time but as soon as I realized how much current was being drawn I shut the microwave off. I wouldn't do that on a regular basis. The circuit breaker on the generator never tripped. I've been looking around for a larger portable generator but I want one with 4 poles instead of the typical 2 poles. 4 poles will allow the engine to run at 1800 RPM to produce it's rated output at 60Hz instead of the typical 3600 RPM in a 2 pole generator. 3600 RPM is the main reason they are so noisy. My Yamaha 2000 runs my Samsung camper microwave fine. Never ran it for a long time, mostly heat water for coffee. The Honda 2000 runs the smaller, counter-top microwave fine as well, but it's only rated at 750 watts versus the 1200 watts that the over stove, built in microwave is rated at. I purposely shopped for the lowest wattage small microwave I could find and 750 watts seemed to be the smallest. It still draws about 11 amps when running, so it needs 1320 watts of power to produce 750 watts of microwave power. 1320 watts is within the Honda's rated continuous output of 1600 watts. That's the thing. Can't confuse output power rating of the microwave with the input required to produce it. The large microwave was drawing slightly over 16 amps to produce 1200 watts of microwave power. That's at least 1920 watts. The Honda is only rated for 1600 watts continuous output and 2000 watts "surge". So to run the large microwave the Honda was running near or at it's surge rating continuously. Not good. That should have a 5-20 plug on it if it pulls 16a. I assume it is on a dedicated 20a circuit. |
#4
posted to rec.boats
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Betsy displays some sense!
On 10/12/18 1:10 PM, wrote:
On Fri, 12 Oct 2018 08:00:23 -0400, "Mr. Luddite" wrote: On 10/12/2018 1:04 AM, Bill wrote: Mr. Luddite wrote: On 10/11/2018 8:12 PM, wrote: On Thu, 11 Oct 2018 16:42:41 -0400, "Mr. Luddite" wrote: On 10/11/2018 3:40 PM, wrote: On Thu, 11 Oct 2018 14:11:23 -0400, John H. wrote: http://tinyurl.com/y7dezaq3 "The left is revving up attacks on capitalism just as workers on the bottom rungs are beginning to benefit from the booming U.S. economy. According to last week's jobs report, unemployment has been pushed back to its lowest level since 1969. Wages in blue-collar industries, such as construction and maintenance, are rising faster than for white-collar workers. Pay for people without a college education jumped almost 6 percent since last year -- triple the overall wage gain." Gosh, I thought wage growth was stagnant. There was an article in USA Today yesterday talking about .how wages are going up across the board and some jobs are really taking off BTW your link took me to Harbor Fright generators. About that, why is my 5.5 KW Briggs 11 hp and theirs is 8? They must have stronger horses in China With no losses considered: 8 hp = 5.96Kw 11 hp = 8.2Kw I completely forgot about a small generator I bought from a neighbor last year. It was brand new, still in the box and she decided to have a whole house generator installed instead. She only wanted $200 for it but after looking it up I decided I'd be ripping her off, so I gave her $300. It's rated at 4,750 peak watts and 3800 watts continuous. Engine is 6.3 hp. I put it together last spring and fired it up. Ran fine, was not overly noisy (for a conventional type generator). It has electric start which is nice and will run on gas or propane, although propane is at a reduced output capacity. I ran it out of gas and stored it away and, until just now, had forgotten I had it. It's a "Wren" that she got from Home Depot: https://tinyurl.com/ybef4hty I keep hearing about the reduced output capacity on propane but I don't see it. I will say fuel consumption is where the difference of energy density shows up. At full load the gasoline consumption is around 0.5 GPH and propane is more like 0.8 GPH although the gasoline is easier to measure accurately. I am just going on a gauge on a 150 gallon tank and that is not very precise. After a similar discussion on the real boat group I tested my generator using my convection oven as the load. This is 5402.7w running a 5500w generator on propane http://gfretwell.com/Propaneproject/Onpropane.jpg When I plugged in two 100w lights, it tripped the breaker before I could take pictures. I think any generator can temporarily exceed their rated capacity but they may not last long if done on a regular basis. Windings and other components will get hot and go "poof". It's not often that generators are running all the time at full capacity and if they are, you probably need a bigger generator. :-) I mentioned before that the little Honda I have is rated for 2,000 watts surge and 1600 watts continuous or 13.3 amps. It ran my large microwave with a measured amperage draw of over 16 amps for a short time but as soon as I realized how much current was being drawn I shut the microwave off. I wouldn't do that on a regular basis. The circuit breaker on the generator never tripped. I've been looking around for a larger portable generator but I want one with 4 poles instead of the typical 2 poles. 4 poles will allow the engine to run at 1800 RPM to produce it's rated output at 60Hz instead of the typical 3600 RPM in a 2 pole generator. 3600 RPM is the main reason they are so noisy. My Yamaha 2000 runs my Samsung camper microwave fine. Never ran it for a long time, mostly heat water for coffee. The Honda 2000 runs the smaller, counter-top microwave fine as well, but it's only rated at 750 watts versus the 1200 watts that the over stove, built in microwave is rated at. I purposely shopped for the lowest wattage small microwave I could find and 750 watts seemed to be the smallest. It still draws about 11 amps when running, so it needs 1320 watts of power to produce 750 watts of microwave power. 1320 watts is within the Honda's rated continuous output of 1600 watts. That's the thing. Can't confuse output power rating of the microwave with the input required to produce it. The large microwave was drawing slightly over 16 amps to produce 1200 watts of microwave power. That's at least 1920 watts. The Honda is only rated for 1600 watts continuous output and 2000 watts "surge". So to run the large microwave the Honda was running near or at it's surge rating continuously. Not good. That should have a 5-20 plug on it if it pulls 16a. I assume it is on a dedicated 20a circuit. The *licensed* electrician who sized our generator said we would have needed a larger one if our main heat pump were not dual fuel, using electricity to cool but propane with electric backup to heat. The cooling part was okay with the 17KW unit, but an all-electric furnace to generate heat would have required a larger size, what with some of our other demands on the unit in case of a power outage. That's why I always have the propane tank topped up in the winter, so that heat pump does not have to use electricity to heat coils for heat. The other heat pump is not connected to the generator. It only heats the upstairs bedroom areas, and we have a gas fireplace up there and heat rises from the first floor. |
#5
posted to rec.boats
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Betsy displays some sense!
On Fri, 12 Oct 2018 13:16:44 -0400, Keyser Soze
wrote: On 10/12/18 1:10 PM, wrote: On Fri, 12 Oct 2018 08:00:23 -0400, "Mr. Luddite" wrote: On 10/12/2018 1:04 AM, Bill wrote: Mr. Luddite wrote: On 10/11/2018 8:12 PM, wrote: On Thu, 11 Oct 2018 16:42:41 -0400, "Mr. Luddite" wrote: On 10/11/2018 3:40 PM, wrote: On Thu, 11 Oct 2018 14:11:23 -0400, John H. wrote: http://tinyurl.com/y7dezaq3 "The left is revving up attacks on capitalism just as workers on the bottom rungs are beginning to benefit from the booming U.S. economy. According to last week's jobs report, unemployment has been pushed back to its lowest level since 1969. Wages in blue-collar industries, such as construction and maintenance, are rising faster than for white-collar workers. Pay for people without a college education jumped almost 6 percent since last year -- triple the overall wage gain." Gosh, I thought wage growth was stagnant. There was an article in USA Today yesterday talking about .how wages are going up across the board and some jobs are really taking off BTW your link took me to Harbor Fright generators. About that, why is my 5.5 KW Briggs 11 hp and theirs is 8? They must have stronger horses in China With no losses considered: 8 hp = 5.96Kw 11 hp = 8.2Kw I completely forgot about a small generator I bought from a neighbor last year. It was brand new, still in the box and she decided to have a whole house generator installed instead. She only wanted $200 for it but after looking it up I decided I'd be ripping her off, so I gave her $300. It's rated at 4,750 peak watts and 3800 watts continuous. Engine is 6.3 hp. I put it together last spring and fired it up. Ran fine, was not overly noisy (for a conventional type generator). It has electric start which is nice and will run on gas or propane, although propane is at a reduced output capacity. I ran it out of gas and stored it away and, until just now, had forgotten I had it. It's a "Wren" that she got from Home Depot: https://tinyurl.com/ybef4hty I keep hearing about the reduced output capacity on propane but I don't see it. I will say fuel consumption is where the difference of energy density shows up. At full load the gasoline consumption is around 0.5 GPH and propane is more like 0.8 GPH although the gasoline is easier to measure accurately. I am just going on a gauge on a 150 gallon tank and that is not very precise. After a similar discussion on the real boat group I tested my generator using my convection oven as the load. This is 5402.7w running a 5500w generator on propane http://gfretwell.com/Propaneproject/Onpropane.jpg When I plugged in two 100w lights, it tripped the breaker before I could take pictures. I think any generator can temporarily exceed their rated capacity but they may not last long if done on a regular basis. Windings and other components will get hot and go "poof". It's not often that generators are running all the time at full capacity and if they are, you probably need a bigger generator. :-) I mentioned before that the little Honda I have is rated for 2,000 watts surge and 1600 watts continuous or 13.3 amps. It ran my large microwave with a measured amperage draw of over 16 amps for a short time but as soon as I realized how much current was being drawn I shut the microwave off. I wouldn't do that on a regular basis. The circuit breaker on the generator never tripped. I've been looking around for a larger portable generator but I want one with 4 poles instead of the typical 2 poles. 4 poles will allow the engine to run at 1800 RPM to produce it's rated output at 60Hz instead of the typical 3600 RPM in a 2 pole generator. 3600 RPM is the main reason they are so noisy. My Yamaha 2000 runs my Samsung camper microwave fine. Never ran it for a long time, mostly heat water for coffee. The Honda 2000 runs the smaller, counter-top microwave fine as well, but it's only rated at 750 watts versus the 1200 watts that the over stove, built in microwave is rated at. I purposely shopped for the lowest wattage small microwave I could find and 750 watts seemed to be the smallest. It still draws about 11 amps when running, so it needs 1320 watts of power to produce 750 watts of microwave power. 1320 watts is within the Honda's rated continuous output of 1600 watts. That's the thing. Can't confuse output power rating of the microwave with the input required to produce it. The large microwave was drawing slightly over 16 amps to produce 1200 watts of microwave power. That's at least 1920 watts. The Honda is only rated for 1600 watts continuous output and 2000 watts "surge". So to run the large microwave the Honda was running near or at it's surge rating continuously. Not good. That should have a 5-20 plug on it if it pulls 16a. I assume it is on a dedicated 20a circuit. The *licensed* electrician who sized our generator said we would have needed a larger one if our main heat pump were not dual fuel, using electricity to cool but propane with electric backup to heat. The cooling part was okay with the 17KW unit, but an all-electric furnace to generate heat would have required a larger size, what with some of our other demands on the unit in case of a power outage. That's why I always have the propane tank topped up in the winter, so that heat pump does not have to use electricity to heat coils for heat. The other heat pump is not connected to the generator. It only heats the upstairs bedroom areas, and we have a gas fireplace up there and heat rises from the first floor. You can't scare me with "licensed" I am licensed" too. The main difference between the electrician license and the inspector license is the $75,000 bond a contractor has to put up. BTW if you got it from Generac, the salesman and an engineer sized the generator. My niece sold them for years. The electrician works from the engineered cut sheet they get from Generac (NEC article 110.3(B)) .... assuming they followed the code. |
#6
posted to rec.boats
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Betsy displays some sense!
On 10/12/2018 1:10 PM, wrote:
On Fri, 12 Oct 2018 08:00:23 -0400, "Mr. Luddite" wrote: On 10/12/2018 1:04 AM, Bill wrote: Mr. Luddite wrote: On 10/11/2018 8:12 PM, wrote: On Thu, 11 Oct 2018 16:42:41 -0400, "Mr. Luddite" wrote: On 10/11/2018 3:40 PM, wrote: On Thu, 11 Oct 2018 14:11:23 -0400, John H. wrote: http://tinyurl.com/y7dezaq3 "The left is revving up attacks on capitalism just as workers on the bottom rungs are beginning to benefit from the booming U.S. economy. According to last week's jobs report, unemployment has been pushed back to its lowest level since 1969. Wages in blue-collar industries, such as construction and maintenance, are rising faster than for white-collar workers. Pay for people without a college education jumped almost 6 percent since last year -- triple the overall wage gain." Gosh, I thought wage growth was stagnant. There was an article in USA Today yesterday talking about .how wages are going up across the board and some jobs are really taking off BTW your link took me to Harbor Fright generators. About that, why is my 5.5 KW Briggs 11 hp and theirs is 8? They must have stronger horses in China With no losses considered: 8 hp = 5.96Kw 11 hp = 8.2Kw I completely forgot about a small generator I bought from a neighbor last year. It was brand new, still in the box and she decided to have a whole house generator installed instead. She only wanted $200 for it but after looking it up I decided I'd be ripping her off, so I gave her $300. It's rated at 4,750 peak watts and 3800 watts continuous. Engine is 6.3 hp. I put it together last spring and fired it up. Ran fine, was not overly noisy (for a conventional type generator). It has electric start which is nice and will run on gas or propane, although propane is at a reduced output capacity. I ran it out of gas and stored it away and, until just now, had forgotten I had it. It's a "Wren" that she got from Home Depot: https://tinyurl.com/ybef4hty I keep hearing about the reduced output capacity on propane but I don't see it. I will say fuel consumption is where the difference of energy density shows up. At full load the gasoline consumption is around 0.5 GPH and propane is more like 0.8 GPH although the gasoline is easier to measure accurately. I am just going on a gauge on a 150 gallon tank and that is not very precise. After a similar discussion on the real boat group I tested my generator using my convection oven as the load. This is 5402.7w running a 5500w generator on propane http://gfretwell.com/Propaneproject/Onpropane.jpg When I plugged in two 100w lights, it tripped the breaker before I could take pictures. I think any generator can temporarily exceed their rated capacity but they may not last long if done on a regular basis. Windings and other components will get hot and go "poof". It's not often that generators are running all the time at full capacity and if they are, you probably need a bigger generator. :-) I mentioned before that the little Honda I have is rated for 2,000 watts surge and 1600 watts continuous or 13.3 amps. It ran my large microwave with a measured amperage draw of over 16 amps for a short time but as soon as I realized how much current was being drawn I shut the microwave off. I wouldn't do that on a regular basis. The circuit breaker on the generator never tripped. I've been looking around for a larger portable generator but I want one with 4 poles instead of the typical 2 poles. 4 poles will allow the engine to run at 1800 RPM to produce it's rated output at 60Hz instead of the typical 3600 RPM in a 2 pole generator. 3600 RPM is the main reason they are so noisy. My Yamaha 2000 runs my Samsung camper microwave fine. Never ran it for a long time, mostly heat water for coffee. The Honda 2000 runs the smaller, counter-top microwave fine as well, but it's only rated at 750 watts versus the 1200 watts that the over stove, built in microwave is rated at. I purposely shopped for the lowest wattage small microwave I could find and 750 watts seemed to be the smallest. It still draws about 11 amps when running, so it needs 1320 watts of power to produce 750 watts of microwave power. 1320 watts is within the Honda's rated continuous output of 1600 watts. That's the thing. Can't confuse output power rating of the microwave with the input required to produce it. The large microwave was drawing slightly over 16 amps to produce 1200 watts of microwave power. That's at least 1920 watts. The Honda is only rated for 1600 watts continuous output and 2000 watts "surge". So to run the large microwave the Honda was running near or at it's surge rating continuously. Not good. That should have a 5-20 plug on it if it pulls 16a. I assume it is on a dedicated 20a circuit. It *is* on a dedicated 20a kitchen circuit although I was wrong about it's microwave output power. It's 1000 watts, not 1200 as I had previously thought. As mentioned in another post the sticker indicates a service requirement of 120vac at 1.64 Kw. Output is listed as 1000 watts. So, it draws 13.666 amps running ... I measured 14 amps on house power, 16 amps (briefly) on Honda power. So, on house power: 1640 watts in, 1000 watts out. Makes sense to me. |
#7
posted to rec.boats
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Betsy displays some sense!
On Fri, 12 Oct 2018 14:34:56 -0400, "Mr. Luddite"
wrote: On 10/12/2018 1:10 PM, wrote: On Fri, 12 Oct 2018 08:00:23 -0400, "Mr. Luddite" wrote: On 10/12/2018 1:04 AM, Bill wrote: Mr. Luddite wrote: On 10/11/2018 8:12 PM, wrote: On Thu, 11 Oct 2018 16:42:41 -0400, "Mr. Luddite" wrote: On 10/11/2018 3:40 PM, wrote: On Thu, 11 Oct 2018 14:11:23 -0400, John H. wrote: http://tinyurl.com/y7dezaq3 "The left is revving up attacks on capitalism just as workers on the bottom rungs are beginning to benefit from the booming U.S. economy. According to last week's jobs report, unemployment has been pushed back to its lowest level since 1969. Wages in blue-collar industries, such as construction and maintenance, are rising faster than for white-collar workers. Pay for people without a college education jumped almost 6 percent since last year -- triple the overall wage gain." Gosh, I thought wage growth was stagnant. There was an article in USA Today yesterday talking about .how wages are going up across the board and some jobs are really taking off BTW your link took me to Harbor Fright generators. About that, why is my 5.5 KW Briggs 11 hp and theirs is 8? They must have stronger horses in China With no losses considered: 8 hp = 5.96Kw 11 hp = 8.2Kw I completely forgot about a small generator I bought from a neighbor last year. It was brand new, still in the box and she decided to have a whole house generator installed instead. She only wanted $200 for it but after looking it up I decided I'd be ripping her off, so I gave her $300. It's rated at 4,750 peak watts and 3800 watts continuous. Engine is 6.3 hp. I put it together last spring and fired it up. Ran fine, was not overly noisy (for a conventional type generator). It has electric start which is nice and will run on gas or propane, although propane is at a reduced output capacity. I ran it out of gas and stored it away and, until just now, had forgotten I had it. It's a "Wren" that she got from Home Depot: https://tinyurl.com/ybef4hty I keep hearing about the reduced output capacity on propane but I don't see it. I will say fuel consumption is where the difference of energy density shows up. At full load the gasoline consumption is around 0.5 GPH and propane is more like 0.8 GPH although the gasoline is easier to measure accurately. I am just going on a gauge on a 150 gallon tank and that is not very precise. After a similar discussion on the real boat group I tested my generator using my convection oven as the load. This is 5402.7w running a 5500w generator on propane http://gfretwell.com/Propaneproject/Onpropane.jpg When I plugged in two 100w lights, it tripped the breaker before I could take pictures. I think any generator can temporarily exceed their rated capacity but they may not last long if done on a regular basis. Windings and other components will get hot and go "poof". It's not often that generators are running all the time at full capacity and if they are, you probably need a bigger generator. :-) I mentioned before that the little Honda I have is rated for 2,000 watts surge and 1600 watts continuous or 13.3 amps. It ran my large microwave with a measured amperage draw of over 16 amps for a short time but as soon as I realized how much current was being drawn I shut the microwave off. I wouldn't do that on a regular basis. The circuit breaker on the generator never tripped. I've been looking around for a larger portable generator but I want one with 4 poles instead of the typical 2 poles. 4 poles will allow the engine to run at 1800 RPM to produce it's rated output at 60Hz instead of the typical 3600 RPM in a 2 pole generator. 3600 RPM is the main reason they are so noisy. My Yamaha 2000 runs my Samsung camper microwave fine. Never ran it for a long time, mostly heat water for coffee. The Honda 2000 runs the smaller, counter-top microwave fine as well, but it's only rated at 750 watts versus the 1200 watts that the over stove, built in microwave is rated at. I purposely shopped for the lowest wattage small microwave I could find and 750 watts seemed to be the smallest. It still draws about 11 amps when running, so it needs 1320 watts of power to produce 750 watts of microwave power. 1320 watts is within the Honda's rated continuous output of 1600 watts. That's the thing. Can't confuse output power rating of the microwave with the input required to produce it. The large microwave was drawing slightly over 16 amps to produce 1200 watts of microwave power. That's at least 1920 watts. The Honda is only rated for 1600 watts continuous output and 2000 watts "surge". So to run the large microwave the Honda was running near or at it's surge rating continuously. Not good. That should have a 5-20 plug on it if it pulls 16a. I assume it is on a dedicated 20a circuit. It *is* on a dedicated 20a kitchen circuit although I was wrong about it's microwave output power. It's 1000 watts, not 1200 as I had previously thought. As mentioned in another post the sticker indicates a service requirement of 120vac at 1.64 Kw. Output is listed as 1000 watts. So, it draws 13.666 amps running ... I measured 14 amps on house power, 16 amps (briefly) on Honda power. So, on house power: 1640 watts in, 1000 watts out. Makes sense to me. 640w of waste heat coming out the vent sounds high to me. The vent on mine is barely warm. I had more waste heat coming out of my satellite receiver. |
#8
posted to rec.boats
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Betsy displays some sense!
On Fri, 12 Oct 2018 14:34:56 -0400, "Mr. Luddite" - show quoted text - 640w of waste heat coming out the vent sounds high to me. The vent on mine is barely warm. I had more waste heat coming out of my satellite receiver. ............. Lol! That’s one thing fun about my vintage guitar amps. They’d get hot, you could almost melt marshmallows over them. Think tubes. And I mean, toooobs! |
#9
posted to rec.boats
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Betsy displays some sense!
On Fri, 12 Oct 2018 12:47:14 -0700 (PDT), Tim
wrote: On Fri, 12 Oct 2018 14:34:56 -0400, "Mr. Luddite" - show quoted text - 640w of waste heat coming out the vent sounds high to me. The vent on mine is barely warm. I had more waste heat coming out of my satellite receiver. ............ Lol! That’s one thing fun about my vintage guitar amps. They’d get hot, you could almost melt marshmallows over them. Think tubes. And I mean, toooobs! Yeah "tubes" was when we thought the TV was the biggest user of electricity ... and it might have been close if you had nat gas appliances. I was lucky that tubes were really just starting go away when I got into the computer biz. I still carried a 25L6 and a 2D21 in my tool bag. I did to a mail away electronic course when I was a kid where we made a series of things ending up with an AM radio using the box of parts we got each week. That was tubes. |
#10
posted to rec.boats
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Betsy displays some sense!
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