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#11
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Putting ballast to work
Not true at all. We cruisied with a couple last winter that rarely had to
run the motor to charge the batteries. They had 3 solar panels and a wind generator. We are in the process of putting on a few solar panels but with our wind generator alone we were able to do quite well. A little further south into the trades and we would have been able to go for many days or weeks without running the generator. Doug s/v Callista "Kelton Joyner" wrote in message ... We sometimes go a week or two without shore power. How would you propose keeping the batteries charged. The current technology for wind generators and solar cells won't do it unless you covered the boat with cells and put in a "farm" of generators. Kelton s/v Isle Escape Parallax wrote: My sailboat has 3600 lbs of dead weight ballast. Seems like a real waste to me. So....Useless idea #3740 Make a boat with 60 lead acid batteries as ballast powering a high efficiency 48 V motor. No diesel or gas, connect to shore power overnight and you could have enough juice to go...........I dunno Another story: I have a friend who collects weird techno-surplus and sells it. He bought several tons of lead bricks from a radioactive source manufacturer that went out of business. Loaded it into the back of his pickup and drove it to Tallahassee and parked on a hill. Of course his parcking brake failed and the truck rolled about 10 feet till it was stopped by a wall. There would have been no damage except the entire load of lead bricks decided to slide through the cab. Not sure what he told the insurance company. |
#12
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Putting ballast to work
Not true at all. We cruisied with a couple last winter that rarely had to
run the motor to charge the batteries. They had 3 solar panels and a wind generator. We are in the process of putting on a few solar panels but with our wind generator alone we were able to do quite well. A little further south into the trades and we would have been able to go for many days or weeks without running the generator. Doug s/v Callista "Kelton Joyner" wrote in message ... We sometimes go a week or two without shore power. How would you propose keeping the batteries charged. The current technology for wind generators and solar cells won't do it unless you covered the boat with cells and put in a "farm" of generators. Kelton s/v Isle Escape Parallax wrote: My sailboat has 3600 lbs of dead weight ballast. Seems like a real waste to me. So....Useless idea #3740 Make a boat with 60 lead acid batteries as ballast powering a high efficiency 48 V motor. No diesel or gas, connect to shore power overnight and you could have enough juice to go...........I dunno Another story: I have a friend who collects weird techno-surplus and sells it. He bought several tons of lead bricks from a radioactive source manufacturer that went out of business. Loaded it into the back of his pickup and drove it to Tallahassee and parked on a hill. Of course his parcking brake failed and the truck rolled about 10 feet till it was stopped by a wall. There would have been no damage except the entire load of lead bricks decided to slide through the cab. Not sure what he told the insurance company. |
#13
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Putting ballast to work
I don't think they were using an electric motor for propulsion - that is the premise of
this thread. "Doug Dotson" wrote in message ... Not true at all. We cruisied with a couple last winter that rarely had to run the motor to charge the batteries. They had 3 solar panels and a wind generator. We are in the process of putting on a few solar panels but with our wind generator alone we were able to do quite well. A little further south into the trades and we would have been able to go for many days or weeks without running the generator. Doug s/v Callista "Kelton Joyner" wrote in message ... We sometimes go a week or two without shore power. How would you propose keeping the batteries charged. The current technology for wind generators and solar cells won't do it unless you covered the boat with cells and put in a "farm" of generators. Kelton s/v Isle Escape Parallax wrote: My sailboat has 3600 lbs of dead weight ballast. Seems like a real waste to me. So....Useless idea #3740 Make a boat with 60 lead acid batteries as ballast powering a high efficiency 48 V motor. No diesel or gas, connect to shore power overnight and you could have enough juice to go...........I dunno Another story: I have a friend who collects weird techno-surplus and sells it. He bought several tons of lead bricks from a radioactive source manufacturer that went out of business. Loaded it into the back of his pickup and drove it to Tallahassee and parked on a hill. Of course his parcking brake failed and the truck rolled about 10 feet till it was stopped by a wall. There would have been no damage except the entire load of lead bricks decided to slide through the cab. Not sure what he told the insurance company. |
#14
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Putting ballast to work
I don't think they were using an electric motor for propulsion - that is the premise of
this thread. "Doug Dotson" wrote in message ... Not true at all. We cruisied with a couple last winter that rarely had to run the motor to charge the batteries. They had 3 solar panels and a wind generator. We are in the process of putting on a few solar panels but with our wind generator alone we were able to do quite well. A little further south into the trades and we would have been able to go for many days or weeks without running the generator. Doug s/v Callista "Kelton Joyner" wrote in message ... We sometimes go a week or two without shore power. How would you propose keeping the batteries charged. The current technology for wind generators and solar cells won't do it unless you covered the boat with cells and put in a "farm" of generators. Kelton s/v Isle Escape Parallax wrote: My sailboat has 3600 lbs of dead weight ballast. Seems like a real waste to me. So....Useless idea #3740 Make a boat with 60 lead acid batteries as ballast powering a high efficiency 48 V motor. No diesel or gas, connect to shore power overnight and you could have enough juice to go...........I dunno Another story: I have a friend who collects weird techno-surplus and sells it. He bought several tons of lead bricks from a radioactive source manufacturer that went out of business. Loaded it into the back of his pickup and drove it to Tallahassee and parked on a hill. Of course his parcking brake failed and the truck rolled about 10 feet till it was stopped by a wall. There would have been no damage except the entire load of lead bricks decided to slide through the cab. Not sure what he told the insurance company. |
#15
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Putting ballast to work
"Rosalie B." wrote in message
... And don't forget submarines, which before nuclear power were diesel electric. Nuclear subs generally have a diesel-electric system for emergency propulsion. And newer subs are being developed that are nuclear turbo-electric. |
#16
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Putting ballast to work
"Rosalie B." wrote in message
... And don't forget submarines, which before nuclear power were diesel electric. Nuclear subs generally have a diesel-electric system for emergency propulsion. And newer subs are being developed that are nuclear turbo-electric. |
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