X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.121] verified) by logan.com (CommuniGate Pro SMTP 5.3.10) with ESMTP id 4580167 for flyrotary@lancaironline.net; Mon, 15 Nov 2010 17:04:48 -0500 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.121; envelope-from=eanderson@carolina.rr.com Return-Path: X-Authority-Analysis: v=1.1 cv=uESSSoDEku2quKX/oFXS2Smn5+55LTFcWFr5T5T8nFs= c=1 sm=0 a=Dc88wzi0mkwA:10 a=rPkcCx1H5rrOSfN0dPC7kw==:17 a=ZSWxKhHMR0KfRVrTQT8A:9 a=orQFf5_2VXNuhZNmpGG_ezNXK5wA:4 a=wPNLvfGTeEIA:10 a=pGLkceISAAAA:8 a=Ia-xEzejAAAA:8 a=fdvavOfeuvP1ABCYdjAA:9 a=Yf-iKGLWmimXX-_ZXRYA:7 a=9pch1OVC3MGIkyu2ErpCuHXJQEMA:4 a=MSl-tDqOz04A:10 a=EzXvWhQp4_cA:10 a=rPkcCx1H5rrOSfN0dPC7kw==:117 X-Cloudmark-Score: 0 X-Originating-IP: 174.110.167.5 Received: from [174.110.167.5] ([174.110.167.5:50103] helo=EdPC) by cdptpa-oedge01.mail.rr.com (envelope-from ) (ecelerity 2.2.3.46 r()) with ESMTP id 08/15-07087-D5EA1EC4; Mon, 15 Nov 2010 22:04:14 +0000 Message-ID: <3347904FB27940E58A9EA36A17749D03@EdPC> From: "Ed Anderson" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Not enough pitch / Too much pitch Date: Mon, 15 Nov 2010 17:04:08 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0007_01CB84E7.1DD34D10" 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_0007_01CB84E7.1DD34D10 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Yep! Even though you keep mentioning it, I am so tuned to fix pitch = prop in my thinking - the other type is almost incomprehensible {:>) Ed From: Mark Steitle=20 Sent: Monday, November 15, 2010 4:09 PM To: Rotary motors in aircraft=20 Subject: [FlyRotary] Not enough pitch / Too much pitch Ed wrote, "7000 rpm static - WoW! sounds like not enough pitch in the = prop to absorb the power - tough situation to be in - NOT! Ed,=20 My initial statement of reaching 7k rpm may have been a meaningless as I = have a C/S prop. So, I could set it to max fine pitch and probably = reach 7k rpm with a weed-eater engine. However, these numbers were with = the prop set at 2200, IIRC. I know there is a discrepancy between the = M/T indicator and the EM-2 readout. Maybe I should loosen the set screw = on the M/T controller knob and move it so that the M/T setting =3D EM-2 = RPM / 2.85. This is assuming that the M/T is the The prop is close to = being due for a mandatory overhaul, so I'll have them check it at that = time, and re-calibrate the knob. =20 Mark ------=_NextPart_000_0007_01CB84E7.1DD34D10 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Yep!   Even though you keep mentioning = it, I am=20 so tuned to fix pitch prop in my thinking - the other type is almost=20 incomprehensible {:>)
 
Ed

Sent: Monday, November 15, 2010 4:09 PM
Subject: [FlyRotary] Not enough pitch / Too much=20 pitch

Ed wrote, "7000 rpm static - WoW!  sounds like not enough = pitch in the=20 prop to absorb the power - tough situation to be in - NOT!
 
Ed,
 
My initial statement of reaching 7k rpm may have been a = meaningless as=20 I have a C/S prop.  So, I could set it to max fine pitch and = probably=20 reach 7k rpm with a weed-eater engine.  However, these numbers = were=20 with the prop set at 2200, IIRC.  I know there is a discrepancy = between the=20 M/T indicator and the EM-2 readout.  Maybe I should loosen the set = screw on=20 the M/T controller knob and move it so that the M/T setting =3D EM-2 RPM = /=20 2.85.  This is assuming that the M/T is the The prop is close to = being due=20 for a mandatory overhaul, so I'll have them check it at that time, and=20 re-calibrate the knob. 
 
Mark
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