Still looking for the original article I saw but found this on a page...
Quote:
Mixing fuels
Myth: Mix it with diesel fuel or kerosene, then just put it in and go.
Examples:
"I've been running a vegoil/diesel mix, 50/50 winter 70/30 summer."
"I'm running on about 50% petro-diesel to 50% veg-oil, no problems!"
"I use 90% WVO and 10% kerosene as my standard summer fuel."
Responses from seasoned SVO users:
"Your cold starts will begin to deteriorate, your filter will probably start plugging, your injectors will get coked up, setting the stage for ring sticking, glazing of the cylinder walls, increased lube oil consumption and eventual engine failure -- if you can continue to get the thing started in the morning. More than 20% or so veg-oil in the diesel is not a good plan for more than short term 'experiments'."
"Mixing veg-oil and diesel isn't advisable unless you heat all the fuel."
We've said much the same: "You'll need what amounts to an SVO system with fuel pre-heating anyway."
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I found this article which has some comparisons between SOV and diesel but is very long.....
http://www.biomatnet.org/secure/Fair/F484.htm
Here's a brief rundown......
Quote:
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That's double the temperature the two-tank SVO systems use. At only 70-80 deg C. veg-oil is still much more viscous than petro-diesel -- six times more viscous in the case of rapeseed oil (canola),
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Roy