X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.123] verified) by logan.com (CommuniGate Pro SMTP 5.3.9) with ESMTP id 4491305 for flyrotary@lancaironline.net; Sun, 03 Oct 2010 12:22:08 -0400 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.123; envelope-from=eanderson@carolina.rr.com Return-Path: X-Authority-Analysis: v=1.1 cv=Kw91eHCEomHy3ia4iliyYwPDdG6gmL57yW58Q85fxVk= c=1 sm=0 a=nAj-9e3w_JcA:10 a=rPkcCx1H5rrOSfN0dPC7kw==:17 a=Ia-xEzejAAAA:8 a=arxwEM4EAAAA:8 a=r1ClD_H3AAAA:8 a=adH0npQT1AiH10taaYIA:9 a=xme1BkOaSU8jteqXe-UA:7 a=o4Rt39oTXmIh0YVhRgQtEya23MoA:4 a=wPNLvfGTeEIA:10 a=EzXvWhQp4_cA:10 a=pedpZTtsAAAA:8 a=HXZW9TKHqV-LHN2wsQcA:9 a=Y2UBDnNqZF_9hsaXAYwA:7 a=xcynC6LOulKfTFuEFWVF2HH7EksA:4 a=eJojReuL3h0A:10 a=rPkcCx1H5rrOSfN0dPC7kw==:117 X-Cloudmark-Score: 0 X-Originating-IP: 174.110.167.5 Received: from [174.110.167.5] ([174.110.167.5:51350] helo=EdPC) by cdptpa-oedge04.mail.rr.com (envelope-from ) (ecelerity 2.2.2.39 r()) with ESMTP id 50/09-28816-D8DA8AC4; Sun, 03 Oct 2010 16:21:33 +0000 Message-ID: From: "Ed Anderson" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: Sam Hodges Prop area Comparison Date: Sun, 3 Oct 2010 12:21:13 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000D_01CB62F5.7890DBA0" X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8117.416 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8117.416 This is a multi-part message in MIME format. ------=_NextPart_000_000D_01CB62F5.7890DBA0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable From what Sam told me, Catto was most accommodating and committed to = getting Sam a new prop in about 2 weeks including a new spinner cutout = to match the prop. So Catto certainly appears to earn the good = reputation I've heard associated with his business ethics. Ed From: Bill Bradburry=20 Sent: Sunday, October 03, 2010 12:08 PM To: Rotary motors in aircraft=20 Subject: [FlyRotary] Re: Sam Hodges Prop area Comparison It was also 76" vs a data plate calling for 74". With that data = incorrect, it could have been a totally wrong prop and may not have even = been 88" pitch. What is Sam going to have Catto do to the prop? =20 Bill B =20 -------------------------------------------------------------------------= ------- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On = Behalf Of Ed Anderson Sent: Sunday, October 03, 2010 10:46 AM To: Rotary motors in aircraft Subject: [FlyRotary] Sam Hodges Prop area Comparison =20 Just doing a rough back of the envelope calculation comparing Sam = Hodges prop (8" cord) to my prop (5 1/2" cord) and assuming the two = props blade profiles were similar, Sam's prop would have approx 45% more = prop area trying to push the air back than my prop. Small wonder his = engine was groaning trying to spin it up to 6000 rpm. =20 Ed =20 Edward L. Anderson Anderson Electronic Enterprises LLC 305 Reefton Road Weddington, NC 28104 http://www.andersonee.com http://www.eicommander.com ------=_NextPart_000_000D_01CB62F5.7890DBA0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
From what Sam told me, Catto was most = accommodating and=20 committed to getting Sam a new prop in about 2 weeks including a new = spinner=20 cutout to match the prop.  So Catto certainly appears to earn the = good=20 reputation I've heard associated with his business ethics.
 
Ed

Sent: Sunday, October 03, 2010 12:08 PM
Subject: [FlyRotary] Re: Sam Hodges Prop area=20 Comparison

It was also = 76=94 vs a=20 data plate calling for 74=94.  With that data incorrect, it could = have been a=20 totally wrong prop and may not have even been 88=94=20 pitch.

What is Sam = going to=20 have Catto do to the prop?

 

Bill=20 B

 

From:=20 Rotary motors in aircraft=20 [mailto:flyrotary@lancaironline.net] On=20 Behalf Of Ed Anderson
Sent: Sunday, October 03, 2010 = 10:46=20 AM
To: = Rotary motors in aircraft
Subject: [FlyRotary] Sam Hodges = Prop area=20 Comparison

 

Just doing a rough back of = the=20 envelope calculation comparing  Sam Hodges prop (8" cord) to my = prop (5=20 1/2" cord) and assuming the two props blade profiles were similar, Sam's = prop=20 would have approx 45% more prop area trying to push the air back than my = prop.  Small wonder his engine was groaning trying to spin it up to = 6000=20 rpm.

 

Ed

 

Edward L. = Anderson
Anderson = Electronic=20 Enterprises LLC
305 = Reefton=20 Road
Weddington, NC = 28104
http://www.andersonee.com
http://www.eicommander.com=

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