X-Virus-Scanned: clean according to Sophos on Logan.com X-PolluStop-Diagnostic: \eX-PolluStop-Score: 0.00\eX-PolluStop: Scanned with Niversoft PolluStop 2.1 RC1, http://www.niversoft.com/pollustop Return-Path: <13brv3@bellsouth.net> Received: from imf19aec.mail.bellsouth.net ([205.152.59.67] verified) by logan.com (CommuniGate Pro SMTP 4.3c4) with ESMTP id 861584 for flyrotary@lancaironline.net; Fri, 08 Apr 2005 10:13:36 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.67; envelope-from=13brv3@bellsouth.net Received: from rd ([65.6.194.9]) by imf19aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20050408141251.JCMN2054.imf19aec.mail.bellsouth.net@rd> for ; Fri, 8 Apr 2005 10:12:51 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "Flyrotary List" Subject: idle speed with RD1 redrives? Date: Fri, 8 Apr 2005 09:10:53 -0500 Message-ID: <00d001c53c44$c6c74d00$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00D1_01C53C1A.DDF14500" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 Importance: Normal This is a multi-part message in MIME format. ------=_NextPart_000_00D1_01C53C1A.DDF14500 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Greetings, =20 I asked this a couple times, but it was always buried at the end of long messages, which gives me a clue how few people make it to the end of = those :-) =20 IIRC, the RD1 drives have a low rpm point where they're known to rattle. = I guess this is torque reversals, or something like that from the engine. Anyway, can someone confirm that this is true, and tell me what rpm this = is supposed to happen at? I've never been able to idle below 1500 or so, = but now, I could probably idle down to 1000 easily. The problem is that I = seem to hit this rattle mode at 1100-1200 rpm, so I've got my idle set at = 1400 for now. =20 =20 Thanks, Rusty (wondering if I should have inspected the redrive following the = oil out) =20 =20 PS- TIG and Plasma machines both got 1.5 inches of water before I picked them up, but I dried them out yesterday, and they both work now (thank goodness). Fortunately nothing expensive was damaged in the flood, = assuming we don't have to replace the carpet in the great room. ------=_NextPart_000_00D1_01C53C1A.DDF14500 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Message
Greetings,
 
I asked this a = couple=20 times, but it was always buried at the end of long messages, which gives = me a=20 clue how few people make it to the end of those :-)
 
IIRC, the RD1 = drives have a=20 low rpm point where they're known to rattle.  I guess this is = torque=20 reversals, or something like that from the engine.  Anyway, can = someone=20 confirm that this is true, and tell me what rpm this is supposed to = happen=20 at?  I've never been able to idle below 1500 or so, but now, I = could=20 probably idle down to 1000 easily.  The problem is that I seem to = hit this=20 rattle mode at 1100-1200 rpm, so I've got my idle set at 1400 for = now. =20
 
Thanks,
Rusty = (wondering if I=20 should have inspected the redrive following the oil = out)
 
 
PS- TIG and = Plasma machines=20 both got 1.5 inches of water before I picked them up, but I dried them = out=20 yesterday, and they both work now (thank goodness).  = Fortunately=20 nothing expensive was damaged in the flood, assuming we don't have to = replace=20 the carpet in the great room.
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