| [GMCnet] In search of a Furnace Good on Power [message #341319] |
Mon, 25 February 2019 17:32  |
Advanced Concept Ener
Messages: 112
Registered: December 2014
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I was going to install a small propane water heater tied into the engine heating system. They make small fan coil units for boats that you can put around the coach for heat using plastic pipe. Since they are dc you can put a rheostat on them to adjust speed. The pump is the only thing that needs any real power but you are careful with the piping you may get a fair amount of natural circulation. I really never investigated the pump but a small circulator would do. Another project that never made it off the drawing board.
Jon Darcy ACES
646-464-3123
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| Re: [GMCnet] In search of a Furnace Good on Power [message #341322 is a reply to message #341319] |
Mon, 25 February 2019 18:27  |
GatsbysCruise
Messages: 261
Registered: January 2017
Location: Waukegan, Illinois
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Advanced Concept Ener wrote on Mon, 25 February 2019 17:32I was going to install a small propane water heater tied into the engine heating system. They make small fan coil units for boats that you can put around the coach for heat using plastic pipe. Since they are dc you can put a rheostat on them to adjust speed. The pump is the only thing that needs any real power but you are careful with the piping you may get a fair amount of natural circulation. I really never investigated the pump but a small circulator would do. Another project that never made it off the drawing board.
Jon Darcy ACES
646-464-3123
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***** ****
Back when I was in High School, maybe Jr High when we had to make displays for the science fair, I believe we were at the most advanced stages of your dream modes and inventive abilities. My gosh, I had come up with a sort of hydo electric generation system, with water, a turbine, bike generator that lit a lite, It was quite impressive for someone with no background.
The heating system you are talking about has been built using water recirc pump. It was a rare coach that someone custom installed. I read about it somewhere, and doubt I'd be able to find the article now.
When I was deep in solar study and experiments, I had read some articles about creating a water free flow as you mention. As a matter of fact, I had heard of a fellow workers apartment building that had a similar system but used steam with a single pipe that sent the steam supply up and returned the condensate back to the boiler. Heat is the trick to move the heated steam, and would be for the hot water.
BUt the problem is to get the movement you need to move that hot water through the system. The max movement is hot water going up. The more you angle the pipe, the less response you will get. and on the other end, after the radiator cools the water, the water gets heavy so it falls down.
You would have to engineer both forces to try to make something that could move that fluid.
There are radiators for home that used a closed system of oil. But the radiator is about 2 feet high and it responds similar to the steam system with one pipe. That oil filled radiator heats the oil at the base, the heated oil travels up the radiator fins and loses the heat then travels back down to heat up again. Brings to mind the LAVA LAMP.
Perhaps something similar could be created but you can't really use power, at least not a lot of it, to circulate the water. Using propane to heat the water is possible with no power used but you would need to be able to raise the water, 6"s, 12"s, enough to get the water to fall down and move through the system to the radiator. Best case would be to have the radiator sloped so the cooling water will "FALL" to the drain pipe and the drain pipe would slope down back to the boiler..... It's all interesting science but it would take a lot of work, a lot of fails to make the system actually work.
Perhaps using those heating pipes with the fins along the wall, sloping down would enhance the attempt to make the water move but thats just a thought, no tests behind it that I know of.
Fun thought.
GatsbysCruise. \
74GMC260 Former Glacier Model style. \
Waukegan, Illinois \ Keep those MiniDiscs Spinning \ MY GREYHOUND IS FASTER THAN YOUR HONOR ROLL STUDENT \ WindowsXP-Win7-Win8.1-UBUNTU STUDIO - UBUNTU VOYAGER - Berzin Auto Center
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| Re: [GMCnet] In search of a Furnace Good on Power [message #341323 is a reply to message #341319] |
Mon, 25 February 2019 19:41 |
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Tom Lins
Messages: 372
Registered: February 2004
Location: St Augustine, FL
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Advanced Concept Ener wrote on Mon, 25 February 2019 18:32I was going to install a small propane water heater tied into the engine heating system. They make small fan coil units for boats that you can put around the coach for heat using plastic pipe. Since they are dc you can put a rheostat on them to adjust speed. The pump is the only thing that needs any real power but you are careful with the piping you may get a fair amount of natural circulation. I really never investigated the pump but a small circulator would do. Another project that never made it off the drawing board.
Jon Darcy ACES
646-464-3123
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Look into Webasto and Aquahot systems as they are hydronic heating systems.
Tom Lins
St Augustine, FL
77 GM Rear Twin, Dry Bath, 455, Aluminum Radiator Quad-Bag Suspension Solar Panel
Manuals on DVD
YOUTUBE Channel: GMC Dealer Training Tapes
http://www.bdub.net/tomlins/
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