F3A05,

Yep I agree,...the only thing I could figure out for the cause of the problem of flooding is while the plane sit's in the "heat" (cold days were not so bad) with fuel in the tank ( 90+ degrees in South Carolina and very high humidity in the summer) it would develop some internal pressure from vapor expansion, that expansion slowly pushes the fuel in the only direction it can go,...the carb.

I actually watched this happen one day over the course of 45 mins, you could watch the fuel slowly creep through the fuel line, eventually fuel would just constantly drip out of the carb at a fast drip. This was stopped by simply opening up the fill line and leaving it open or put hemistats on the carb line until I was ready to fly.

Since the fuel system is closed with the aid of a check valve (included with regulator) to be placed at the pressure tap extending off the crank case pushed up inside the fuel tubing and there is no vent. The vapor has to go some where,...YS160, if you don't purge the tank after a flight it will flood naturally on it own under pressue,..hence the magic clip came along and the everso creative use of the hemistats appeared again.

The PCFS is ok,...lots of people have used them with sucess,..for me the darn nipples would never stay on even after I glued them on. Note: IF I was torque rolling (Goldberg Obsession) the regulator could not keep up with fuel demand the engine would go lean to the point it was nearly impossible to pull out of the torque roll,...called an emergency harrier landing at 10 feet. So,...I put the old trusty VP30 back on and never had another problem!

Note: I think both products are good products and people will experience failures with any product from time to time,..it dosen't make it a bad product.

Regards,
Bill Hosten