Can anyone help with a VW carb issue?
I have a Turbulent with a 1600 VW and the above carb. It has always had an annoying flat spot rising through 1500rpm and would stop at the least provocation if mishandled
Yesterday I lined up to take off and it just stopped dead! I got out and swung it again and it ran for about 5 seconds and stopped again. Next time I was a bit quicker running round to pump the carb and managed to taxi back to the hangar, all the way it was spitting, banging and misfiring and would not get above 2000 rpm. I stripped the carb, got a compressor to blow out every orifice I could see, put it together again and fired it up.
At least it now ticks over like a sewing machine but when I go thro 1500 it just wants to stop. If I force it thro with pumpings it will get to around 2400 but it feels like its misfiring and running very rough.
It has a slow running adjustment which sets how much the throttle will close and one mixture screw that controls both slow and fast running. I started it at 1.5 turns out on it and standing behind the running engine I spent hours turning it richer and weaker in 1/8 turn increments to get it to run above smooth above 1500....BUT NOTHING WORKS TO MAKE IT RUN SMOOTH EVEN ABOVE 1000 RPM!!! I thank God it stopped on the runway when it did, another few minutes and I'd have been in the air looking for somewhere to crash safely!!
Perhaps its time to fit a Stromberg??Any ideas to help keep my sanity would be welcome. John
VW SOLEX 32 PHN - T CARB PROBLEMS
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bertdeleporte
- Posts: 68
- Joined: Wed Jul 30, 2008 12:33 pm
- Location: France
kiss again the ugliest girl 
http://www.lightaircraftassociation.co. ... php?t=2809
More efficient, it sounds you don't get enough feed to the engine, did you check the fuel inlet? I know it is aa very basic question, but under certain circumstances, we sometimes stop looking at the right place and focus on the wrong item.
The only proper way I know to check fuel feed is with every bit in place, carb bowl removed, then fuel "on". You should drain at least 1/2 liter per min in any condition (nose/tail down). If you can't remove the carb bowl the idea is to test the line to the closest to the carb you can.
How do look your spark plugs after running at 1500/2000 rpm for 5 mins?
Good luck (I don't mention the girl again...)
Bertrand
http://www.lightaircraftassociation.co. ... php?t=2809
More efficient, it sounds you don't get enough feed to the engine, did you check the fuel inlet? I know it is aa very basic question, but under certain circumstances, we sometimes stop looking at the right place and focus on the wrong item.
The only proper way I know to check fuel feed is with every bit in place, carb bowl removed, then fuel "on". You should drain at least 1/2 liter per min in any condition (nose/tail down). If you can't remove the carb bowl the idea is to test the line to the closest to the carb you can.
How do look your spark plugs after running at 1500/2000 rpm for 5 mins?
Good luck (I don't mention the girl again...)
Bertrand