Return-Path: Received: from [24.25.9.100] (HELO ms-smtp-01-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.2.8) with ESMTP id 616820 for flyrotary@lancaironline.net; Fri, 21 Jan 2005 17:24:55 -0500 Received-SPF: none receiver=logan.com; client-ip=24.25.9.100; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-185-127.carolina.rr.com [24.74.185.127]) by ms-smtp-01-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id j0LMONKk015681 for ; Fri, 21 Jan 2005 17:24:24 -0500 (EST) Message-ID: <003b01c50008$4299a0f0$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Monster vs Monster was [FlyRotary] Re: monster prop shrinking a bit Date: Fri, 21 Jan 2005 17:26:32 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0038_01C4FFDE.59918C70" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_0038_01C4FFDE.59918C70 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MessageInterestingly, I talked to Clark yesterday and decided not to = trim my prop 76x88 at all. I am getting close to 6000 rpm on take off = at finally got 6800 rpm at WOT at 3800 MSL. However, my ROC only = approaches 2000 fpm (more like 1800). In discussion with Clark, we = decided that given my heavier aircraft and primary interest in take off = and initial climb that any increase in rpm (by trimming the prop) would = likely be off set by less initial thrust (from less prop disc area). = So I was about ready to send my prop back just to have the protective = wrappings put on it. =20 Perhaps I'll wait and see what these changes does to your performance, = Rusty. Get that engine back together and let me know. Ed A (Larger Monster Prop {:>)) ----- Original Message -----=20 From: Tracy Crook=20 To: Rotary motors in aircraft=20 Sent: Friday, January 21, 2005 2:44 PM Subject: [FlyRotary] Re: monster prop shrinking a bit Uh oh, good thing Ed helped me get that 20B powered RV-8 project = moving. Tracy (shooting for 4000 fpm) ----- Original Message -----=20 From: Russell Duffy=20 To: Rotary motors in aircraft=20 Sent: Friday, January 21, 2005 1:49 PM Subject: [FlyRotary] monster prop shrinking a bit Greetings, I talked to Clark at Performance Props today. I'm going to go ahead = and send my prop in for final finishing, since the engine is down = anyway. I reported that I'm currently getting 6000 rpm at 100 mph in = climb, and 6800 rpm at WOT 8000 ft. I requested 6500 rpm in climb, = which will make top RPM about 7300 WOT at 8000. He's got to run the = number, but the rough estimate is that the prop will change from it's = current 74"x88" form, to about 72"x82". He seemed very excited about = what this will do for my performance, in both climb and cruise. =20 I told him I need a guarantee that it will beat Tracy :-) = Seriously, I told him that I was getting 2400-2500 fpm climb now, and = wanted 3000 fpm. He seemed pretty sure this change can get me there :-) = Cheers, Rusty (Tracy's going down) ------=_NextPart_000_0038_01C4FFDE.59918C70 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message=
Interestingly, I talked to Clark yesterday and = decided not=20 to trim my prop 76x88 at all.  I am getting close to 6000 rpm on = take off=20 at finally got 6800 rpm at WOT at 3800 MSL.  However, my ROC only=20 approaches 2000 fpm (more like 1800).  In discussion with Clark, we = decided=20 that given my heavier aircraft and primary interest in take off and = initial=20 climb that any increase in rpm (by trimming the prop) would likely be = off set by=20 less initial  thrust (from less prop disc area).   So I = was about=20 ready to send my prop back just to have the protective wrappings put on = it.=20  
 
Perhaps I'll wait and see what these changes = does to your=20 performance, Rusty.  Get that engine back together and let me=20 know.
 
Ed A (Larger Monster Prop {:>))
 
 
----- Original Message -----
From:=20 Tracy = Crook
Sent: Friday, January 21, 2005 = 2:44=20 PM
Subject: [FlyRotary] Re: = monster prop=20 shrinking a bit

Uh oh, good thing Ed helped me get that 20B powered RV-8 project=20 moving.
 
Tracy (shooting for 4000 fpm)
----- Original Message -----
From: Russell=20 Duffy
To: Rotary motors in = aircraft=20
Sent: Friday, January 21, = 2005 1:49=20 PM
Subject: [FlyRotary] monster = prop=20 shrinking a bit

Greetings,
 
 
I talked to = Clark at=20 Performance Props today.  = I=92m=20 going to go ahead and send my prop in for final finishing, since the = engine=20 is down anyway.  I = reported that=20 I=92m currently getting 6000 rpm at 100 mph in climb, and 6800 rpm = at WOT 8000=20 ft.  I requested 6500 = rpm in=20 climb, which will make top RPM about 7300 WOT at 8000.  He=92s got to run the = number, but the=20 rough estimate is that the prop will change from it=92s current = 74=94x88=94 form,=20 to about 72=94x82=94.   = He=20 seemed very excited about what this will do for my performance, in = both=20 climb and cruise.  =
 
I told him I = need a=20 guarantee that it will beat=20 Tracy :-)  =20 Seriously, I told him that I was getting 2400-2500 fpm climb now, = and wanted=20 3000 fpm. He seemed pretty sure this change can get me there = :-) =20
 
Cheers,
Rusty (Tracy's going=20 down)
 
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