Joe, What you did is exactly what the manufacturer of my AeroCarb said to do concerning setting a wide open stop a little bit short of wide open.
Martek Mississippi wrote: > I remembered reading this about shaping the needles on a posa carb. It was > on the KRNet..may still be. Here is the Link for it elsewhere: > > http://users.lmi.net/~ryoung/Sonerai/Fix_Your_Posa_Carb.html > > ----- Original Message ----- > From: "Joe Beyer" <fly...@spiretech.com> > To: <kr...@mylist.net> > Sent: Monday, October 20, 2008 1:48 PM > Subject: KR> RE: Revflow carb for 1835 VW > > > I have a 29mm Posa Super Carb. On my 1641cc VW and have a similar situation. > When I adjust the linkage so the slide opens all the way the engine quits. I > have the throttle stop set so when the maximum rpm is reached the slide is > about 90% open. Once I tried to adjust it out so I could get wide open > throttle by changing the needle to a more rich setting. On take off when I > was climbing out and had ram air the engine lost power and only regained > power when I came back on the throttle. I flew the pattern and landed, then > put the old needle back in and reset the throttle stop back to 90%. It works > well now the way it is. > > -Joe > > Scappoose Ore. > > > >> I have an 1835 VW with a 34mm Revflow carb and a 52x47 prop. >> I ran it the other day and reached peak RPM at about 2/3ds >> throttle. More throttle killed the engine. I asked Joe >> Horvath about it and he replied : >> >> "A 34mm carb for an 1835cc engine is extremely large. The >> air flow that the engine needs is considerably less than what >> a 34 will flow. Therefore, you may reach max engine rpm of >> 3200 with partial throttle, but the mixture may be rich. >> .... Trying to tune a 34mm carb to the 1835cc engine will >> not be easy. ....." >> >> Apparently I would be better off with a smaller carburator. >> >> If anyone out ther has a 30 or 32mm revflow they would like >> to sell or trade, contact me off list (ankerst...@embarqmail.com). >> >> Brad Ankerstar, SW Ohio >> N774A, KR2R, almost there. >> 513 932-2514 >> > > > _______________________________________ > Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp > to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net > please see other KRnet info at http://www.krnet.org/info.html > > > _______________________________________ > Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp > to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net > please see other KRnet info at http://www.krnet.org/info.html > > >
