Sponsors Biodiesel & SVO Home Biodiesel & SVO Forums Biodiesel Equipment Homemade venturi for a GL ecoprocessor
Biodiesel & SVO Home Biodiesel & SVO Forums Biodiesel Equipment Homemade venturi for a GL ecoprocessor|
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Has anyone had any experience trying to make the venturi as designed by Graham? I bought 3/4 in copper tubing and I've pounded it into shape I thought I was almost finished when I realized that my tube had split. Can I fix this or do I need to start over. and what did I do wrong, so that if I start over I don't do it again?
Also how is my shape? do I need to go further or is this far enough? thanks for the help, Jason  venturi.jpg (40 Kb, 71 downloads) picture of split |
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When you solder your suction tube in try and fill the split with solder... Use plenty of flux!
Jon |
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jakwi
If you look further down the page on Graham's site you will see how to make one out of soldered fittings, it is much easier but not as pretty. as you can see from the attachment. Here mine is attached to the 'spray bar' that goes into the processor. LW B100 Ford Focus 02 Golf TDI  DSC00079.JPG (48 Kb, 77 downloads) |
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Hi Jason
I built the one that Dick did, the very bottom one on Graham's site. If you click the bottom link it is explained better. I know Dick and he was getting about 6 feet of water, although he has recently built one that pulls 9 feet. They work great I get 7 feet from mine which is plenty - highly recommendable. B100 Ford Focus 02 Golf TDI |
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You could pm jamesrl and ask him about the right sizing of venturi for your specific pump. I'm sure he would make one for you if you're so inclined. I don't think it's feasible to simply hammer out a complete venturi from just a single length of pipe with no cuts. Jamesrl will supply a pattern to make the individual pieces, and then you silver braise them together. Yes it is a bit fiddly but you learn a lot as you go. |
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Livewire,
Well if I can't get the formed one to work then I'll go with the design you suggest. It doesn't look to hard to put together. I'm giving it one more go as I already have the materials. I think maybe I was rushing it a bit to much. Paulus, I initially pm'd jamesrl, but he hasn't responded and I'm starting to think that I can come up with a solutions without his help. He does do nice work though from the pictures I have seen. It all depends on how my second attempt works out. I'll post pictures when I'm done. thanks again for the help, Jason |
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I designed and milled one from bar stock. Wasn't easy to be sure, but it's tough as the Rock of Gibraltar.
The Powersmoke 1986 Ford F250 4x4 6.9L diesel Hypermax Turbo, C6 Automatic with shift kit, cowl induction (intercooler on the list). Gear Vendors overdrive installed. Mobil Delvac 15W40 oil with Powerstroke oil filter for 11 quarts oil capacity. Motor Silk Boric Oxide friction reducers in engine and transmission. 1973 Dodge Monaco "Elwood", eventually to be converted to run on methane (biogas). Currently building a 'bio-bus', a 40' diesel bus with a massive onboard GL-type reactor with onboard workshop and diesel generator. Possible biodiesel classes may be taught as soon as the bus is done. |
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sounds cool, could you post some pics? I've failed miserably. I'm looking at a couple of options and still trying to get ahold of jamesrl
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Sponsors Biodiesel & SVO Home Biodiesel & SVO Forums Biodiesel Equipment Homemade venturi for a GL ecoprocessor
Biodiesel & SVO Home Biodiesel & SVO Forums Biodiesel Equipment Homemade venturi for a GL ecoprocessor© Maui Green Energy 2000 - 2008