WVO Or Bio-D
#61
08-18-2007, 10:28 AM
The way I understand it is that the triglycerides [ 3 types of glycerins ] are some of whats in the vegi oil , the transesterfication breaks the bonds between the oils & wax's=glycerins , not a by product but one of a number of chemicals elements , same thing as water , put an electric current in it to break the the bonds between H & 02 , then you have 2 separate gas's , now thats tricky 2 gas's make a liquid & vice versa .
#62
08-20-2007, 11:45 AM
A picture is worth a thousand words .
http://forums.tdiclub.com/showthread...=1#post1830478
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Sorry the pictures are on the first page .
http://forums.tdiclub.com/showthread...=1#post1830478
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Sorry the pictures are on the first page .
Last edited by johntf; 08-20-2007 at 11:45 AM. Reason: Automerged Doublepost
#64
08-20-2007, 12:23 PM
Diesel Bomber
#65
08-20-2007, 12:43 PM
Johnny, can you grab those pics and download them to this thread?
Don't be fooled Johnny, from what you just described, that is a homemade conversion kit, or a single tank conversion either of which does not heat the oil properly before injection and this IS proven to cause coking from incomplete combustion. I never said this and I should have i guess but my whole argument that burning WVO in the engine won't cause harm is meant to mean a properly designed 2 tank system that will heat the oil to no less than 160* f prior to the injectors.
This can be simulated using an old skillet (one that you are ready to trash)...heat it to 750 ish degrees (the approx. temp at which combustion occurs in compression combustion engine) take a couple onces of cold vegi oil (room temp) and pour it in. it will carbon up and smoke like hell before it ignites - which will take several seconds...(don't do this inside your house). Now, after the smoke clears, inspect the skillet...its carboned up and black. Now through that skillet away, get another one and repeat this test except use hot vegi oil (160* F min.) and the results will be quite different. It will ignite immediately without smoke, without carbonizing. The same results will take place in your engine.
Now also try to think about putting cold vegi through an injector at 25,000 psi vs putting hot vegi though it...mimic this by trying to squirt butter though a windex bottle...it won't work but heat the butter and it will spray just fine.
So to summarize: Cold vegi improperly atomizing through and injector - actually coming out in large droplets instead of a fine mist - WILL cause carbon and the death of an engine, theres no doubt.
The proof is there guys. It works when done properly...just like anything else.
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and guys, i have seen the inside of an engine with a properly heated vegi conversion after 100k miles of operation on WVO and it looked just like any other engine with normal wear at that milage, in fact it was actually cleaner than i expected to see at 100k miles. Measurements and tolerances were taken and all was normal. and the injectors were actually in better condition than they would normally have been using diesel with its low lubricy.
Don't be fooled Johnny, from what you just described, that is a homemade conversion kit, or a single tank conversion either of which does not heat the oil properly before injection and this IS proven to cause coking from incomplete combustion. I never said this and I should have i guess but my whole argument that burning WVO in the engine won't cause harm is meant to mean a properly designed 2 tank system that will heat the oil to no less than 160* f prior to the injectors.
This can be simulated using an old skillet (one that you are ready to trash)...heat it to 750 ish degrees (the approx. temp at which combustion occurs in compression combustion engine) take a couple onces of cold vegi oil (room temp) and pour it in. it will carbon up and smoke like hell before it ignites - which will take several seconds...(don't do this inside your house). Now, after the smoke clears, inspect the skillet...its carboned up and black. Now through that skillet away, get another one and repeat this test except use hot vegi oil (160* F min.) and the results will be quite different. It will ignite immediately without smoke, without carbonizing. The same results will take place in your engine.
Now also try to think about putting cold vegi through an injector at 25,000 psi vs putting hot vegi though it...mimic this by trying to squirt butter though a windex bottle...it won't work but heat the butter and it will spray just fine.
So to summarize: Cold vegi improperly atomizing through and injector - actually coming out in large droplets instead of a fine mist - WILL cause carbon and the death of an engine, theres no doubt.
The proof is there guys. It works when done properly...just like anything else.
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and guys, i have seen the inside of an engine with a properly heated vegi conversion after 100k miles of operation on WVO and it looked just like any other engine with normal wear at that milage, in fact it was actually cleaner than i expected to see at 100k miles. Measurements and tolerances were taken and all was normal. and the injectors were actually in better condition than they would normally have been using diesel with its low lubricy.
Last edited by CHenry; 08-20-2007 at 01:08 PM.
#66
08-20-2007, 12:43 PM
Diesel Bomber
#67
08-20-2007, 01:01 PM
That engine certainly has seen better days...we don't know the history of this engine however. These are merily pics off the internet and there are a number of things that could cause an engine to look like that, one of those things is to use COLD vegi as fuel with a substandard conversion. Cold vegi oil injected is guaranteed to have this effect but hot vegi will not have this effect.
Just humor me and try the skillet experiment johntf.
Just humor me and try the skillet experiment johntf.
#68
08-20-2007, 01:13 PM
Diesel Bomber
well i don't know that guy from adam but i did read a lot of his thread. he sounds like he knows what he's talking about plus it sounds like he used a quality name brand conversion kit and takes meticulous care of his stuff. seriously you gotta check this thread out when you get the time. i don't know if there was just some unfortunate instances but it's ugly for sure.
#69
08-20-2007, 01:21 PM
What conversion brand was it? Greasecar? Lovecraft?
These are proven to NOT be quality kits. Maybe it was a one tank system?
If it was Frybrid, Plantdrive or Vegistroke you would not see this result.
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You think? That turbo looks like its had rocks fed through it....
These are proven to NOT be quality kits. Maybe it was a one tank system?
If it was Frybrid, Plantdrive or Vegistroke you would not see this result.
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You think? That turbo looks like its had rocks fed through it....
Last edited by CHenry; 08-20-2007 at 01:21 PM. Reason: Automerged Doublepost
#70
08-20-2007, 01:25 PM
Diesel Bomber
he wouldn't say because he doesn't believe the manufacturer of the kit did anything wrong and didn't want anyone bashing the manufacturer. and he's not bashing WVO from what i got out of reading it. like i said i don't know this guy, tdi's, or anything about alt fuels. threads just a good read for gathering info on future ideas.
