Congratulations!!!
What did it feel like? I have to admit my first DOW with the Rabbit was like the first useful date. The windshield wasn’t wide enough to fit my smile Was it similar? Details, please.
Sorry, can’t tell about the engine light. I don’t have one. I never flare but I guess the flame is ok.
I was so surprised when the car started on gas so I left even though I had the cord in the wall to the 220 volt spot.
It seems that the unit is too small, at least nozzles and throttling, probably did not go for more than 20km on the hill up to the house, went for about 60km on a smooth road, but did not try to go faster, but have difficulty with the automatic gearbox, don’t know how to keep the rpm up.
I hear that the oil drum material is moving, which should mean that I have a great resistance in the unit.
Jan, are you sure your filter can breathe easy?
No, I have removed my metal filter, I think it was too tight, now I have about 50-60cm high in the oil drum with pieces of wood 2-4cm x 3-5cm.
Do you think it will be too tight?
Jan,
Someone posted this link to a vacuum guage some time back. I saved it as a favorite. It is not cheap, but I think is in the vacuum range that you need.
A manometer made from a piece of clear plastic tubing is the least expensive way to go and would be useful for testing purposes.
Congradulations Jan!
Just a litle tip… There is no harm in runing a few km without any filter media at all, just a empty barrel. This will set you a guideline of what your max power is with zero filter drag. I usualy practice this when l build a new unit or test different filters.
Thanks Steve for the tip.
Very good tip Kristijan, should try to remove the pieces from the filter so I see the difference, thanks for the tip.
Get to see if the car runs on gas today, still surprised.
There’s no turning back now. Consider yourself hooked on woodgas
If I remember right you use the barrel as a hot filter, straight from the cyclone, right? I would not recomend using raw wood as the hot filter medium. The heat will most likely make the wood sweat tary fumes and maybe even start charing. Tar is what we want to avoid.
Yes, you can be right in that JO, after the little ride yesterday there was almost no heat on top of the oil drum, the coolers were completely cold.
But since I heard the lid on the drum even then it may not be too high vacuum, Don writes about Mike Larosa who used the lid as a pointer, (Thanks Don), so maybe my metal filter is not too tight.
After all, I switched to smaller pieces of wood while removing the filter, so maybe that’s why the car worked.
Was out and went with the car in the afternoon, after making the cone and opened to about 11cm, instead of 10cm in the unit.
It seems that the car had more difficulty with idle, the engine stopped when it would change gears several times. Seems like it goes higher at rpm before switching too.
Can hardly have any secondary air at all.
I’ve put back the steel filter.
…typical sympthomes of a very restrictive charbed or filter.
OK, get to go and buy clay balls tomorrow, see if there will be any difference. Thanks for the help JO.
Looks like you’re right JO, the filter looks pretty tight.
What do you think of drilling holes in both the top and bottom of the cone, to get air circulation.
Jan, if l remember correct you use a tightly wowen fiberglass fabric? My advice is you bypass the cyclone. Now only smallest soot that gets past the cyclone gets caught on the fabric and plugs it. It is generaly better to pass all the dirt in the sack filter to make a thick porous cake that falls down on its own, exposing clear area.
No, I have a stainless steel filter, but almost as tight as the fiberglass filter.
I tried to have only the stainless steel filter, and it became a cake as you say, but have not tested if it would come off when I go with the car.
I take it you’re talking about the hopper funnel/cone. I guess that would work. Just make sure to keep the lower holes 1,5-2 dm from the firetube or they will get plugged with a mix of baked tar and debrie.
Tested to get the car running after clay balls as a filter, I have about 30cm with balls (to start with) to test so it doesn’t get too tight.
The car starts just off, but stops next directly, tried many times, with no results.
After all, I have pressure fan, so I removed the pipe under the hood and pulled the gas in there, burning well, but looks like there is a lot of water.
Very much soot, too, had the cloth against the tube about 5-10sec.
Neither gets any water from the unit, which I got before the cone.
Can I have made too little space, or too low outlet for the gas on the unit, so it gets too tight down there? The carbon that is in the shovel is what was in the cyclone, also quite humid.
That carbon looks pretty close to what I get also. On short runs I get humid carbon but on long runs it stays dry. Do you have rubber connectors on there? Do they take the heat?
The upper is silicone hose, it is incoming air.
The bottom is outgoing gas sheet metal with copper paste underneath.
But should probably weld it together instead.