From: Sonny Heath (sonny@defuniak.com)
Date: Mon Dec 19 2005 - 06:15:31 PST
Many Thanks Darrell,
Very useful info.
Sonny
----- Original Message -----
From: "Darrell Ramsell" <daram@comcast.net>
To: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>
Sent: Monday, December 19, 2005 2:52 AM
Subject: Re: [MV] Used cooking oil
> Thanks Bjorn
>
> I read a lot earlier postings on this matter and I found all of it to be
> useful. Many thanks. I do have one question. In the winter time I don't
> drive as often and I'm concern about algae build up. What do you
> recommend to prevent this?
>
> Sonny, Steve
>
> I do filter the oil before using it. I basically filter it twice. I use
> a pasta strainer that fits perfectly on top of a 5 gallon bucket. I line
> it with two layers of paper towel. In the center of the pasta strainer I
> also place a reusable coffee filter. I pour the used cooking oil into the
> reusable coffee filter which is the first layer that catches all the
> cruddy stuff. As it passes through that filter is spreads out onto the
> paper towel. The UCO then seeps through into the bucket. I found that
> it's best to let is sit a day to let any settlements that got by settle to
> the bottom but I've done it all the same day too. You'll probably need to
> change the paper towels often because as the sediments build up it slows
> down the filtering to the point where it almost comes to a stop.
>
> The next step I place a paper coffee filter in a mesh strainer. This sets
> up on top of a funnel which drains into a gas can. Before I start pouring
> though I heat the UCO up a bit to about 100~120'. I do this for two
> reasons. Heating it up helps evaporate any water that might be in the
> oil. Also, a paper coffee filter is much finer than a reusable. Heating
> the oil up a bit make it thinner and helps it pour through the paper
> filter a little better too. Again, you will need to change the filter
> often as sediments build up. After you're done, the oil is pretty clean.
>
> Once I have 5 gallons, I load the can into my HMMWV. When I go fill up my
> tank I dump the oil in first then put the diesel in. As the weather gets
> colder you'll need to warm up the tank a little bit before pouring.
> Usually I just put it in the front seat floor and run the heater. I
> sometimes leave it in the back of my SUV where the sun does a nice job of
> keeping it warm.
>
> About every 3rd or 4th tank I run straight diesel with "Diesel Kleen" fuel
> injection cleaner as a kind of preventive maintenance. I'm not sure if
> this is necessary or not but I figure I'd do it just in case.
>
> As for performance I found than my engine runs much better with the UCO.
> It runs much smoother and seems like it's almost 10 decibels quieter. As
> for power I've been told that UCO has a higher cectain than regular diesel
> and I should get a little boost but it hard for me to tell. It's not any
> worse, that's for sure.
>
> I haven't used any Bio-diesel with my vehicle so I can't comment on that.
>
> I hope I've provided enough info for those who ask. If not, let me know.
>
> Darrell
>
> ----- Original Message -----
> From: "Bjorn Brandstedt" <super_deuce@hotmail.com>
> To: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>
> Sent: Sunday, December 18, 2005 10:23 AM
> Subject: Re: [MV] Used cooking oil
>
>
>> Hi Darrell,
>> Glad to see somebody else reporting in on the cooking oil/biodiesel
>> subject!
>> The viscosity of veggie oil may be 50 to 100 times that of diesel at
>> 35F. Only when heated to 180F or more does it approach the diesel
>> viscosity. Diluting it with kerosene and/or diesel will help a lot, but
>> keep it in the range of 10-20%. The thicker fuel will not atomize
>> properly when cold and you will end up with unburnt fuel which may also
>> coke up your injectors.
>> If you don't drive your vehicle, at least make sure the engine reaches op
>> temp before shutting it back down.
>> Cover the radiator if you have to.
>> People who use veggie oil usually have a two-tank set-up, starting and
>> shutting down on diesel. That way the coking issue can be avoided.
>>
>> My deuce now has a dual tank system, but not for straight veggie oil. I'm
>> heating the main tank so that I can use biodiesel all year w/o mixing it
>> with diesel. My plan is to use a mix of biodiesel and used cooking oil
>> too, but not without heating it. My switch over temp is about 65-70F.
>>
>> For more on this, see the current issue of MVM. :-)
>>
>>
>> Happy Holidays,
>> Bjorn
>> MVPA19212
>> The Blue Ridge Mountains of Virginia
>>
>>>From: "Darrell Ramsell" <daram@comcast.net>
>>>To: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>
>>>Subject: [MV] Used cooking oil
>>>Date: Sat, 17 Dec 2005 22:14:40 -0800
>>>
>>>Hi All
>>>
>>>I thought I would give you an update on my HMMWV that has been running on
>>>used cooking oil.
>>>
>>>I'm currently running on a 80%~20% mixed (diesle/cooking oil). I've
>>>started it up a several times now where temp was between 35~40'. The
>>>engine struggles a bit for the first 30 seconds then starts to run
>>>normally. I notice if I give it a little gas I can clear it up sooner.
>>>
>>>Only on one occasion did I have trouble. It started okay then began to
>>>sputter black smoke, then white smoke then died. It took a few starts
>>>then it was running fine. I assumed the trouble was due to a little clog
>>>somewhere from a cold lump of oil.
>>>
>>>The only othere thing I've notice it that it leaves a little bit more
>>>soot in the exhaust pipes. Some time it will blow a fair amount of soot
>>>out on start up.
>>>
>>>Otherwise, everything else is fine.
>>>
>>>Darrell
>>>
>>
>>
>>
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>>
>
>
>
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