I too have a EFS2 carb on my 1750cc engine. If I was ever to change anything on the set up it would be the intake manifold to the GPAS unit for the KR, I have a "Facet" fuel pump for starting and landing, but normally don't need it on. Tim Bellville KR2 N7038V Toledo , Ohio ----- Original Message ----- From: "Ron Freiberger" <rfreiber...@swfla.rr.com> To: "KR builders and pilots" <kr...@mylist.net> Sent: Tuesday, July 08, 2003 10:06 PM Subject: RE: KR>Carb fuel pressure
> > > Christian Kogelman wrote; > The EFS works well, Ellison's Customer support is very good too. > I had initial troubles of adjusting it correctly. And now I still keep > adjusting it (on a monthly basis when temp or humidity changes). > > It seems to me that the EFS2 requires a certain minimum fuel pressure, and > that when operating below that pressure, it is an UNREGULATED system, just > like a Revflow or Posa, and that it is also running on the lean side ( > towards "flameout" ) . That ought to make it variable on air density and > head pressure. Isn't that a lot of money spent for a carb that will be not > working as intended, and on the dangerous side of mixture setting? > > The spec is 2 to 6 psi, which would be a minimum fuel head of about 4.5 > feet. Does anyone have a header tank 4.5 feet above the injector? > > > Ron Freiberger > mailto: rfreiber...@swfla.rr.com > > > > > > _______________________________________________ > see KRnet list details at http://www.krnet.org/instructions.html >
