Butane (lighter gas) mixer for IC Engine
- Thread starter cfellows
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fpravenscroft
Member
hi chuck
there was an article in model engineer quite recently on using a demand valve to supply the
gas for running an engine will see if i can dig it out if you want it
regards
peter
there was an article in model engineer quite recently on using a demand valve to supply the
gas for running an engine will see if i can dig it out if you want it
regards
peter
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I would like to see it. Happy to try and buy the magazine if you can determine which issue it was in.
Chuck
hitnmiss49
Active Member
Chuck,
Here is plans from the Floridaame page. It is not too hard to build one. I have built them but I don't have any on hand right now.
Lonnie
View attachment Propane Demand Valve.pdf
Here is plans from the Floridaame page. It is not too hard to build one. I have built them but I don't have any on hand right now.
Lonnie
View attachment Propane Demand Valve.pdf
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Hi Chuck,
You may have seen the Maier butane fueled model engines at shows. They have a combination fuel metering/air mixing valve on the engine similar to that used on a propane torch. They use fuel pressure to regulate engine speed, and no demand regulator is needed. I have been looking for one of these metering valves that fit directly on the butane tank, but haven't found one in the US. The link below gives a simple explanation of the Maier fuel system. The only safety issue I see is that if the engine stops, the fuel system would continue to deliver fuel until manually turned off.
Jeff
http://maier-mechanic.com/en/technical-background/
You may have seen the Maier butane fueled model engines at shows. They have a combination fuel metering/air mixing valve on the engine similar to that used on a propane torch. They use fuel pressure to regulate engine speed, and no demand regulator is needed. I have been looking for one of these metering valves that fit directly on the butane tank, but haven't found one in the US. The link below gives a simple explanation of the Maier fuel system. The only safety issue I see is that if the engine stops, the fuel system would continue to deliver fuel until manually turned off.
Jeff
http://maier-mechanic.com/en/technical-background/
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Thanks for the links, guys.
I got my vertical single engine to run on Propane using two of my liquid fuel carburetor designs. I just removed the burner tip from my propane torch and connected it to the carburetor with a urethane tube. I had to fiddle with the propane torch control valve and the carb mixer, but I got the engine to run at least as well as it did on liquid fuel. Turns out you really don't need a demand valve as long as you don't leave the engine running unattended. I expect the carb jets and apertures need to be adjusted (enlarged from what I've read). I also ordered a butane adapter valve off ebay which will let me use fuel directly from a camping stove canister.
Chuck
I got my vertical single engine to run on Propane using two of my liquid fuel carburetor designs. I just removed the burner tip from my propane torch and connected it to the carburetor with a urethane tube. I had to fiddle with the propane torch control valve and the carb mixer, but I got the engine to run at least as well as it did on liquid fuel. Turns out you really don't need a demand valve as long as you don't leave the engine running unattended. I expect the carb jets and apertures need to be adjusted (enlarged from what I've read). I also ordered a butane adapter valve off ebay which will let me use fuel directly from a camping stove canister.
Chuck
