Larry that does not work either. That is a fix that was put in to keep the vent open in case a bug gets in the opening. It actually reduces the ram pressure by bleeding air . It just alters the airspeed at which ram pressure = weight of fuel caught in the vent. I had that mod when the Revmaster was almost stopped by fuel in the vent.
A short up facing vent is self clearing.
Peter

<> * 5. I just found a solution for the potential of trapping fuel in the

vent - drill a very small hole at the back of where the vent turns forward.

Larry Severson
Fountain Valley, CA 92708>
(714) 968-9852
larry2@...





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