Sounds like old Charles Lindbergh technology to me.
Steve McGee Endeavor Wi. USA Building a KR2S widened. lmc...@maqs.net ----- Original Message ----- From: "Oscar Zuniga" <taildr...@hotmail.com> To: <kr...@mylist.net> Cc: <corvaircr...@mylist.net> Sent: Monday, March 15, 2004 8:21 AM Subject: KR>operating lean of peak > Sometime back, Dana Overall posted a link to the KRNet, a technical paper > about GAMIjectors and operating lean of peak (for operation of the 550 in > his his Bonanza). I was reading an article in AOPA Pilot about engine > operation LOP and as Dana had mentioned, it's not too practical to do this > with a carbureted engine due to the variation in mixture delivered to each > cylinder. Attempting to lean past the peak usually results in unacceptably > rough running. > > So the article gave a tip to try on carbureted engines: apply carb heat in > conjunction with the leaning operation and see if you can find a combination > that works. Apparently this has been used on Twin Beeches (among others) > with good results. > > Now why would you want to go to all this effort to run lean in the first > place? Using carb heat results in a drop in RPM (and power), right? Well, > it turns out that the engine likes to run LOP, as the graphs of EGT, CHT, > and specific fuel consumption indicate. All of those values drop off as you > go LOP. For those out there who want to maximize performance at cruise, > running LOP is worth experimenting with. Someone here mentioned Klaus > Savier and his Lightspeed ignition recently, and it should be noted that > Klaus is one who has made lots of forays into the world of maximized > performance... which is how his ignition was developed (performance runs and > racing). Running LOP requires looking at things in a new and different way. > > Which is how Dana operates anyway... but that's another story ;o) > > Oscar Zuniga > San Antonio, TX > mailto: taildr...@hotmail.com > website at http://www.flysquirrel.net > > _________________________________________________________________ > Find things fast with the new MSN Toolbar - includes FREE pop-up blocking! > http://clk.atdmt.com/AVE/go/onm00200414ave/direct/01/ > > > _______________________________________ > to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net > please see other KRnet info at http://www.krnet.org/info.html > >
