2nd cf run

Collecting, filtering and dewatering of WVO SVO vegetable oil. For Biodiesel producers too.

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2nd cf run

Postby gary » Thu Sep 11, 2008 4:14 pm

I kept blowing fuses so I could only operate one heating element and my oil maxed out 145-150. So at 80-90 psi I doubled the time. I got very little build <1/16 ...I my oil for settled for 5 weeks. I smear oil on pan cook till smoking than drop tablespoon of sample and look closely for any tiny bubbles..none. does this seem right?
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Postby SunWizard » Thu Sep 11, 2008 4:33 pm

Yes. Every batch is different.
YVORMV - Your veg. oil results may vary.
95 Dodge Cummins 4x4 SVO WVO conversion.
81 Mercedes 300D- stock and happy on V80/D20 blend.
Low fossil net zero house- 100% solar power and heat.
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Postby HoldOnTight » Fri Sep 12, 2008 8:50 am

You got it!
Late 99 Ford F-250, Designed and installed at home, 30 kMi on VO. WVO temp at solenoid valve is 185-195+F, winter-summer.
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Re: 2nd cf run

Postby powerstroke73L » Fri Sep 12, 2008 10:13 am

gary wrote:I kept blowing fuses so I could only operate one heating element and my oil maxed out 145-150. So at 80-90 psi I doubled the time. I got very little build <1/16 ...I my oil for settled for 5 weeks. I smear oil on pan cook till smoking than drop tablespoon of sample and look closely for any tiny bubbles..none. does this seem right?


Go to the hardware store and buy some household wire (Romex is a common brand) that you would use for wiring new construction. Since the wire is at least 14 gauge you can make very long extension cords out of it. Get a few plug ends and make a separate cord for the pump motor and each heating element. Plug these into three separate outlets on three separate circuits. This is what I'm doing for right now in my garage-eventually when my shed is finished I'll have three outlets on separate circuits all in one spot.
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Postby Burbarian » Fri Sep 12, 2008 12:25 pm

One thing that should be noted though: You should avoid hooking 14awg wire to anything more than a 15A breaker.

If the wire is tapped to a 20A or greater capacity circuit breaker, this could be a fire hazard. Should there ever be a problem, a short circuit or a stalled motor say, the danger exists in that the 14awg wire will heat up and melt before the 30A breaker can trip.

This is primarily a danger of long wires. All wires have a certain electrical resistance per linear distance, and the longer the wire, the greater the resistance. A short wire would have proportionately less resistance, so it allows more current to flow through. In a short circuit, enough current typically flows through to trip the breaker.

Since a long wire has more resistance, in a short circuit it could potentially provide enough resistance to prevent sufficient current from flowing through the circuit to trip the breaker. From the point of view of the breaker, it just received a 3kw load, say. Something that is at the edge of a 30A breaker. But a 3kw short circuited wire is not the kind of heater you want. Since the breaker doesn't trip, the current doesn't stop, and the wire keeps heating up until it melts and/or catches fire.

Just a friendly heads-up.
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1985 Merc 300TD
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1981 IHI 30F excavator
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