I was reading a post a little while back about long term mixing of wmo and wvo. Can't seem to find it now, but here is my account as to how its working out so far. I had made a 275 gallon (IBC storage tank) batch. I had mixed about 40% wvo to 60% of straight wmo. I did this in 50 gallon batches which were heated past the boiling point of water and held there for about 2 hrs. They got mixed very well with all the convection currents in the heating drum. Then filtered down to 1/2 micron nominal ( bag filters) before being pumped into the IBC.
That was in Feb. of 2011
Now in june 2011 the oil appears to be just like when i had pumped it in. No polymerization or junk going on.
I have just ran thru 100 gallons at 100% thru the deuce, and things are working great. No plugged filters ( i use a 2 micron for final) or residue in the tank. Just more exhaust smoke when compared with 100% wvo, but it still has a good smell.
I will report back when i run thru the rest of the IBC. I have been averaging about 200 miles a week of seat time in the deuce.
I would thin it down with some gasoline to help it go through the in tank pump and the IP.......maybe 10 gallons in a 50 gallon batch...it will thin it down and give it some more heat value.
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I would thin it down with some gasoline to help it go through the in tank pump and the IP.......maybe 10 gallons in a 50 gallon batch...it will thin it down and give it some more heat value.
I agree that getting it thin enough for the IP is of prime importance.
I have no experience with WVO but 5 gallons gas added to 45 gallons WMO has been working really well for the last several months.
Two and a half gallons of RUG added to the same quantity hydraulic oil when we can get it.
All filtered through the seven step program before it ever makes through the three inboard deuce filters.
Good point, I should have mentioned that i use a seperate coolant heated tank with heated fuel lines to a seperate electric pump up to a pollack switching valve just after the stock fuel filters. That way i have a dedicated filter just for alt. fuels and stock filters and pump for diesel. This has given me a very short purge time for running alt fuels out of IP at shutdown.
for those of you that are using the stock tank.
i would follow wreckermans recomendations. I think he has been actually using alt. fuels, while i was still dreaming about it.
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When it gets cold (=Michigan Winter)...heating is the only solution along with a second 100% diesel fuel tank for starting...
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Here are a pics of my set-up. I took some of the insulation off of the fuel and coolant lines that run from the tank to the filter for some more clarification. Unfortunatly my camera battries died only after 4 pics, so i will try to get some more up tomorrow. The tank is a golden fuel 100 gal. tank with a built in heat exchanger in the bottom (bought used) I use a "Hot Fox" coolant heated pick-up tube ( works awsome- hot oil even when fluid in tank is still cold) It then goes into a marine Racor 1000 fuel filter/water seperator. It is wrapped in a 12v silicone heating blanket and it has a on demand 12v heating element inside. The housing is wrapped in insulation. There is a 12v pump inline after the Racor to help feed the IP. The fuel lines are run with the feed and return coolant lines and insulated together to heat and maintain temp up to the pollack switching valve (12v) The valve ties in between the IP and stock fuel filter. The stock fuel filters only see diesel fuel from the stock diesel tank. ( when switched to aux tank the diesel is pumped thru pick-up side of the IP and returned to diesel tank while running) The Racor filter only sees fluid from the aux tank. lastly i have a veggi therm 12v inline fuel heater if needed for very cold temps right at the Ip ( silver unit behind IP in the pic)
Not pictured yet i have a seperate fuel level guage for the aux tank. A fuel pressure vacum guage for monitoring the Racor filter. and a 12v battery disconect switch for aux 12v circuts. So far i have around 4000 miles on 100% wvo, wmo, and now using a mix of the two.
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I should note that i start and warm up the engine on diesel. Then switch over to aux fuels for driving. and on my 5 min idle before shut down i switch back to diesel to purge IP of aux fuels. I have used this set-up regularly this winter running 100% wvo, wmo at temps of minus -15F and up to hottest day so far around 80F
That is quite the contraption. So when you switch on the fuel pump for the veggie system, do you also have a switch to turn off the stock intank pump.
Also when running on the veggie or alternative fuel side and having the return fuel go to the stock tank, how much ends up in the tank? Ever overfill or anything. Were did you tap in for coolant lines? I am assuming you are using the deuces coolant to help heat the lines etc.... Thanks for taking the time to post pics and explanations
This is really sweet. I am about to try the same thing but with a stock tank placed where the spare tire, tool rack, tire carrier was. Im going to make that the main diesel tank and convert the stock tank to a heated aux fuel tank. Jim
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mixing wvo and wmo, so far so good
