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Old Mar 03, 2007, 11:48 PM
Registered User
Torrance
Joined Feb 2005
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Glow fuel to gasoline conversion?

I have a question in regards to using gasoline instead of alcohol fuel in a ringed glow motor. Is it possible to do this after mixing in some castor with gas? What would the long term effects be? Abnormal wear on parts ?
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Old Mar 03, 2007, 11:54 PM
I Wish I Was Flying...
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United States, CO, Littleton
Joined Nov 2006
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Quote:
Originally Posted by JustinONE
I have a question in regards to using gasoline instead of alcohol fuel in a ringed glow motor. Is it possible to do this after mixing in some castor with gas? What would the long term effects be? Abnormal wear on parts ?
You would need to find a new head that would accept a spark plug... You simply can't run gas on a glow plug, at least I don't think... I doubt it is possible to convert...
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Old Mar 04, 2007, 12:07 AM
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Stockton, CA USA
Joined Jun 2005
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First, Castor will not mix with gasoline. There are plenty of other oils that will, of course. To switch to gasoline means converting to spark ignition also, as glow plugs rely not on heat but catalytic reaction with the methanol to stay lit. I myself have converted an OS 26 Surpass to ignition using a CH ignition. Normally, glow to gas conversions end up with a very sensitive needle if trying to use the glow carb with gas. Gasoline uses much more air in combustion than methanol fuel. In short, it can be done, but has been largely abandoned as a viable option for smaller model airplane engines. But for giant scale flyers gasoline engines are all the rage. Note that those engines where all engineered to be run on gasoline from the start.
Some people from time to time have advocated the addition of a small amount of gasoline to glow fuel. Remember when messing with fuel mixing or additives not to lower the total oil content.
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Old Mar 05, 2007, 10:26 AM
In Massive Debt
Northampton Massachussetts
Joined Jun 2005
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YES YOU CAN.

I have succesfully run gas in a glow engine with fine results. I used a mix of about 15% glow fuel, and 85% gasoline. However, if you run an engine like this, it will basically wreck it. After about 2 hours of run time with the engine set up like this, it jsut stopped working. Also, there is a slight chance that the engine might detonate.
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Old Mar 05, 2007, 04:20 PM
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Florida
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Yes, you can convert. You need to get an electronic ignition module, spark plug and a new carb. Glow carbs are very difficult to adjust for gasoline as they tend to let to much fuel pass and are very difficult to properly adjust. the gasoline carbs have a much finer adjustment (longer taper on the needle valve and smaller diameter). The engine will wear out much faster, usually the rod bearing goes first.
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Old Mar 14, 2007, 12:45 AM
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United States, WA, Puyallup
Joined Dec 2001
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Castor does not mix with gas? I been running a Castor blend in my gas engine for years.

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Old Mar 14, 2007, 12:53 AM
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Tel Aviv, Israel
Joined Jul 2004
2,121 Posts
klotz benol also works great with gas, use it in all my big planes and the weedeater...always have that great glow fuel aroma.

most glow engines rely heavily on methanol for cooling and don't like gas.



dave
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