----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]----
Andy This is very useful information. Checking the primer for leaks is high on my list of things to try next time I get to the plane (hopefully this Saturday morning) Thanks!! Eliacim Quoting Andy Anderson <[EMAIL PROTECTED]>: > ----[Please read http://ercoupers.com/disclaimer.htm before following any > advice in this forum.]---- > > > Eliacim et all, To add to what Holger Zinke said earlier; > > Tonight after repairing my backward fuel cap, I decided to fly for awhile. > The engine ran rough at low to mid RPM's but with full power applied, seemed > to run up OK. However, it just didn't sound quite right. I did fly around > the patch in a tight pattern just in case. When I tried to shut down using > the mixture control ( Marvel carb on a C-90), to my surprise, the engine RPM > jumped up by about 500 and smoothed out. I tried this several times with the > same results. I finally shut it down with the mag switch and called my > mechanic. Right away he nailed the problem over the phone. I had failed to > lock the primer. I then experimented with the primer in various positions. I > can create several power problem symptoms with different positions of the > primer plunger. If it is "leaking" just a tiny bit, leaning the mixture > causes a big RPM increase. > Andy Anderson 1946 415-D N93609 C-90 > > ============================================================================== > To leave this forum go to: http://ercoupers.com/lists.htm > > > -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. ============================================================================== To leave this forum go to: http://ercoupers.com/lists.htm
