Return-Path: Received: from [24.25.9.102] (HELO ms-smtp-03-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.3c2) with ESMTP id 761070 for flyrotary@lancaironline.net; Sat, 26 Feb 2005 21:25:32 -0500 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.102; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-185-127.carolina.rr.com [24.74.185.127]) by ms-smtp-03-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id j1R2Oikd009938 for ; Sat, 26 Feb 2005 21:24:45 -0500 (EST) Message-ID: <002501c51c73$856b36a0$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Monster Prop Air Brake Date: Sat, 26 Feb 2005 21:24:53 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0022_01C51C49.9C62FB10" 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_0022_01C51C49.9C62FB10 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MessageRusty, do you throttle back to idle in the pattern, base, final? = My idle is around 1200-1500, but I seldom ever go below 2500rpm on final = in flight. If may be that if you establish you minimum rpm as you are = stabilized on final, then the drag factor is there and you are already = compensating for it. If you are stabilized on final and then drag it = back to idle is when I find the effect. Ed A ----- Original Message -----=20 From: Russell Duffy=20 To: Rotary motors in aircraft=20 Sent: Saturday, February 26, 2005 9:17 PM Subject: [FlyRotary] Re: Monster Prop Air Brake That makes sense to me, Ed, and it might also have been a factor in my = prop strike incident. =20 You would think a bigger disc area would give more drag, so it makes = sense, though I never noticed anything like that when I went from 68 to = 74. Then again, my idle is about 1600 rpm, so maybe not slow enough to = matter. =20 John, Clark said to stop messing up his prop. Yeah, I told him :-) =20 Rusty (may run tomorrow) ------=_NextPart_000_0022_01C51C49.9C62FB10 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
Rusty, do you throttle back to idle in = the pattern,=20 base, final?  My idle is around 1200-1500, but I seldom = ever go below=20 2500rpm on final in flight.  If may be that if you establish you = minimum=20 rpm as you are stabilized on final, then the drag factor is there = and you=20 are already compensating for it.  If you are stabilized on final = and then=20 drag it back to idle is when I find the effect.
 
Ed A
----- Original Message -----
From:=20 Russell=20 Duffy
Sent: Saturday, February 26, = 2005 9:17=20 PM
Subject: [FlyRotary] Re: = Monster Prop Air=20 Brake

That=20 makes sense to me, Ed, and it might also have been a factor in my prop = strike=20 incident.  
 
You would=20 think a bigger disc area would give more drag, so it makes sense, = though I=20 never noticed anything like that when I went from 68 to = 74. =20 Then again, my idle is about 1600 rpm, so maybe not slow enough=20 to matter.  
 
John, Clark said to = stop messing=20 up his prop.  Yeah, I told him=20 :-)  
 
Rusty=20 (may run=20 tomorrow) 
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