X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sat, 29 Sep 2007 11:21:26 -0400 Message-ID: X-Original-Return-Path: Received: from imo-m14.mx.aol.com ([64.12.138.204] verified) by logan.com (CommuniGate Pro SMTP 5.1.12) with ESMTP id 2359004 for lml@lancaironline.net; Sat, 29 Sep 2007 09:55:48 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.138.204; envelope-from=Sky2high@aol.com Received: from Sky2high@aol.com by imo-m14.mx.aol.com (mail_out_v38_r9.3.) id q.d37.158243cd (14457) for ; Sat, 29 Sep 2007 09:55:06 -0400 (EDT) From: Sky2high@aol.com X-Original-Message-ID: X-Original-Date: Sat, 29 Sep 2007 09:55:06 EDT Subject: Re: [LML] Re: static thrust experience? X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1191074106" X-Mailer: AOL 9.0 VR sub 165 X-Spam-Flag: NO -------------------------------1191074106 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 9/28/2007 11:55:56 P.M. Central Daylight Time, troneill@charter.net writes: Sounds provocative, but you might-could have advised what prop your mere 320 twirls. ; ) Elsewise, have you a cruise drag coefficient estimate for this airframe? If ever tracking southward from Aurora please drop in at KGRE for a viewing an lunch. Redhand, The ballpark Drag estimate number is "small to very small". The prop I am currently using is the Lancair recommended Hartzell CS prop (HC-F2YL-1F hub, F8468D-14 blades). The Hartzell scheme was to take an existing 84" prop and rid it of 14" with some taper of the thickness as the tip chord was approached as the blade did not have to carry all that extra length. This results in what appears to be an wide bladed prop that is the rage these days. My prop is slightly different in that my blades are actually from an old 84 inch prop with 14" lopped off. Thus, it weighs more with a very thick blade at the tip. Hmmmm, you are a mere 57 minutes away (at cruise, quicker at WOT - 2650 RPM). Are you ever at GRE during weekdays as Grayhawk is retired and does home maintenance projects on weekends whilst acting as an airport bum during other times. Scott Krueger AKA Grayhawk Lancair N92EX IO320 SB 89/96 Aurora, IL (KARR) Darwinian culling phrase: Watch This! ************************************** See what's new at http://www.aol.com -------------------------------1191074106 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
In a message dated 9/28/2007 11:55:56 P.M. Central Daylight Time,=20 troneill@charter.net writes:
<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>
Sounds provocative, but you=20 might-could have advised what prop your mere 320 twirls.  ;=20 )
Elsewise, have you a cruise dr= ag=20 coefficient estimate for this airframe?
 
If ever tracking southward fro= m=20 Aurora please drop in at KGRE for a viewing an=20 lunch.
Redhand,
 
The ballpark Drag estimate number is "small to very small".
 
The prop I am currently using is the Lancair recommended Hartzell CS pr= op=20 (HC-F2YL-1F hub, F8468D-14 blades).  The Hartzell scheme was to take an= =20 existing 84" prop and rid it of 14" with some taper of the thickness as the=20= tip=20 chord was approached as the blade did not have to carry all that extra=20 length.  This results in what appears to be an wide bladed prop that is= =20 the rage these days.  My prop is slightly different in that my bla= des=20 are actually from an old 84 inch prop with 14" lopped off.  Thus,=20= it=20 weighs more with a very thick blade at the tip.
 
Hmmmm, you are a mere 57 minutes away (at cruise, quicker at WOT - 2650= =20 RPM).  Are you ever at GRE during weekdays as Grayhawk is retired and d= oes=20 home maintenance projects on weekends whilst acting as an airport bum during= =20 other times.
 
Scott Krueger=20 AKA Grayhawk
Lancair N92EX IO320 SB 89/96
Aurora, IL=20 (KARR)

Darwinian culling phrase: Watch=20 This!



See what's ne= w at AOL.com a= nd Make AOL Your Homepage.
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