X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from m15.nyc.untd.com ([64.136.22.78] verified) by logan.com (CommuniGate Pro SMTP 4.3.6) with SMTP id 613009 for flyrotary@lancaironline.net; Sat, 23 Jul 2005 19:48:52 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.136.22.78; envelope-from=jbker@juno.com Received: from m15.nyc.untd.com (localhost [127.0.0.1]) by m15.nyc.untd.com with SMTP id AABBQFX2BAZ4U8TA for (sender ); Sat, 23 Jul 2005 16:47:13 -0700 (PDT) X-UNTD-OriginStamp: Y+Mfppm2QyGfnY/dq+iW1dXLV1/61SYyY6RdZtdmQcM= Received: (from jbker@juno.com) by m15.nyc.untd.com (jqueuemail) id KYMQH33J; Sat, 23 Jul 2005 16:46:40 PDT To: flyrotary@lancaironline.net Date: Sat, 23 Jul 2005 19:45:37 -0400 Subject: Re: [FlyRotary] Re: Lyc debugging / Strange Aerodynamics Message-ID: <20050723.194537.2276.9.JBKER@juno.com> X-Mailer: Juno 5.0.33 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary=--__JNP_000_20ae.732b.52a8 X-Juno-Line-Breaks: 8-6,7-12,20-29,33-34,35-32767 From: WALTER B KERR X-ContentStamp: 11:5:1727829642 X-MAIL-INFO:1c25a1212c813d3588b59c3d05edc13905b9 X-UNTD-Peer-Info: 127.0.0.1|localhost|m15.nyc.untd.com|jbker@juno.com This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. ----__JNP_000_20ae.732b.52a8 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit On Sat, 23 Jul 2005 18:50:16 -0400 "Tracy Crook" writes: More Data Captain! Now for my mystery of the day. Was doing more tests on coil / alternator cooling & wingtip testing today and got around to stall tests. I was pleasantly surprised to find that my clean stall speed was down a full 5 MPH. That is HUGE, especially from such a simple mod. Repeated the test multiple times, accelerated, power on, idle, 1 mph/ 10 second deceleration, the works. The change was real. Then I tested 1/2 & full flap stall expecting that I would see the usual 4-5 mph drop in stall speed. Absolutely no difference. Stall was the same clean or dirty. Anyone care to take a stab at this? Tracy (still not happy with coil temps) ++++++++++++++++++++++++++++++++++++++ How about more data Capt Tracy?? You said you sharpened the leading edge of tip but I never saw anything more. How about a picture? Sounds too good to be true, but trust you to wring it out. Is the GPS agreeing with the airspeeds. You might be effecting the pitot input! Bernie ----__JNP_000_20ae.732b.52a8 Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: quoted-printable

On Sat, 23 Jul 2005 18:50:16 -0400 "Tracy Crook" <lors01@msn.com> writes:

More Data Captain!

Now for my mystery of the day. Was doing more tests on coil / = alternator=20 cooling & wingtip testing today and got around to stall tests. = I was=20 pleasantly surprised to find that my clean stall speed was down a full 5= =20 MPH. That is HUGE, especially from such a simple mod. &= nbsp;=20 Repeated the test multiple times, accelerated, power on, idle, 1 mph/ 10= =20 second deceleration, the works. The change was real. = Then I=20 tested 1/2 & full flap stall expecting that I would see the usual 4-5= mph=20 drop in stall speed. Absolutely no difference. Stall was= the=20 same clean or dirty.

Anyone care to take a stab at this?

Tracy (still not happy with coil temps)

++++++++++++++++++++++++++++++++++++++

How about more data Capt Tracy??

You said you sharpened the leading edge of tip but I never saw = anything=20 more. How about a picture? Sounds too good to be true, but trust = you=20 to wring it out. Is the GPS agreeing with the airspeeds. You might be=20 effecting the pitot input!

Bernie

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