CONGRATS MARK.....JOB WELL DONE. See ya Thursday. Mark Jones (N886MJ) Wales, WI USA E-mail me at flyk...@wi.rr.com Visit my KR-2S CorvAIRCRAFT web site at http://mywebpage.netscape.com/n886mj
----- Original Message ----- From: "Mark Langford" <n5...@hiwaay.net> To: "KRnet" <kr...@mylist.net> Cc: "Corvair engines for homebuilt aircraft" <corvaircr...@mylist.net> Sent: Sunday, September 04, 2005 4:56 PM Subject: KR> YeeeeeeeeeHaaaaaaaaa! > NetHeads, > > Well, I finally flew it today. Took off from Hazel Green, circled up to > 4000', flew over to MDQ, climbed to 7000', did some stalls, and put 2 hours > on it before landing at MDQ. Filled it up with some very expensive 100LL, > and did 20 touch and goes. Some were embarrasing, but most were adequate. > All were "excellent", in that the plane was still reusable! Then I was > going to head to Moontown and try their 2300' long grass strip, but I'd > developed an embarassing oil leak, so thought I'd just go back to Hazel > Green's 40' wide strip and fix it. This narrow strip has scared me for > years, so I figured I'd do a couple of "missed approaches" and then land, > but I was set up so good I just went ahead and landed it on the first try. > I'll bet I didn't use half the length, or half the width! I hope that's not > the best one I ever do there, but it wasn't bad. > > The engine is very smooth. Static it would only do 2870 rpm in the > driveway. But after four hours of flying, it'll now do over 3000, and > unwinds to 3200 rpm at 165 mph at about 7000'. It should get better as it > gets broken in. Oil temp got up to 265F after all the touch and goes (85F > ambient), but it stabilizes at about 240F at 2800 rpm or so, with highest > CHT about 350. All cylinders are reasonably close. Before I flew it I had > three cylinders (no pattern) that were 250F or so lower than the other > three. I figured breaking it in would fix that, and it has. Now they're > mostly within a hundred degrees of each other, which is better than the old > 3100cc engine would ever do. > > Bottom line is that this 2700cc engine and prop combination is better than > my old 3100cc! This engine is 9.3:1 compression ratio, whereas the other > one was about 8.5. I haven't run it on auto fuel other than tests in the > driveway, but I think it'll run that too. I'll let you know when I find > out. We have a 1000 gal of 100LL at M38 that's costs $3.50 a gallon, which > is only slightly more than I paid for 93 octane at the Raceway today, so I'm > in no hurry to switch. > > The plane sat in my basement with 39 hours on the meter for two months. > Today I got in almost all of my 5 testing hours, and unquestionably put the > 40 hour test period behind me. Tonight I'm going to fix that oil leak, > change the oil again, and tomorrow head to my father's 3600' long grass > strip in LA (lower Alabama). Time to have some fun, and put this time > machine into service. I'll see y'all at the KR Gathering on Thursday... > > Mark Langford, Huntsville, Alabama > see KR2S project N56ML at http://home.hiwaay.net/~langford > email to N56ML "at" hiwaay.net > -------------------------------------------------------------- > > > _______________________________________ > 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
