X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mxo1.broadbandsupport.net ([209.55.3.81] verified) by logan.com (CommuniGate Pro SMTP 5.1c.3) with ESMTP id 1364726 for flyrotary@lancaironline.net; Tue, 05 Sep 2006 14:11:04 -0400 Received-SPF: error receiver=logan.com; client-ip=209.55.3.81; envelope-from=ben@gmpexpress.net Received: from ben22d25bef6f7 (unknown [72.9.26.11]) by mxo1.broadbandsupport.net (Postfix) with SMTP id 9E41B314294 for ; Tue, 5 Sep 2006 14:10:18 -0400 (EDT) Message-ID: <002901c6d116$91a82780$0b1a0948@ben22d25bef6f7> From: "Ben Baltrusaitis" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Plugs up Date: Tue, 5 Sep 2006 14:10:25 -0400 Organization: Biper Marketing Company MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0026_01C6D0F5.08A69E60" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2869 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2962 X-Antivirus: avast! (VPS 0635-5, 09/04/2006), Outbound message X-Antivirus-Status: Clean X-broadbandsupport-MailScanner-Information: Please contact the ISP for more information X-broadbandsupport-MailScanner: Found to be clean X-broadbandsupport-MailScanner-From: ben@gmpexpress.net X-Spam-Status: No This is a multi-part message in MIME format. ------=_NextPart_000_0026_01C6D0F5.08A69E60 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Thanks, Ed, that does help. I am going to run a dry sump oil pump so I won't have the pan volume = problem. I just need a pan design that will allow oil recovery in = aerobatic flight. Also, I think if I prohibit left wing down knife-edge = flight, where the engine would be upside down, I will have no oil pickup = problems associated with oil against the rotors. I plan to use Tracy's products and think a custom engine mount will be = little extra trouble. I was hoping to use Jerry's beam, though. Thanks, again Ed. I'm sure I will have more questions later that you = have answers. Ben ----- Original Message -----=20 From: Ed Anderson=20 To: Rotary motors in aircraft=20 Sent: 09/05/2006 1:42 PM Subject: [FlyRotary] Re: Engine alignment Hi Ben, Not Dale, but can provide you my perspective on "Plugs Up". There are = only two down-sides if you wish, one is that most vendor products such = as engine mounts are designed for the automobile orientation - this may = or may not have an impact. I have used the Ross redrive as well as the = RWS redrive - both using different mounting approaches and had no = problem with either. The second is that you need to design a sump so = that the oil sump hangs below the engine line and extend a line from the = oil intake to that sump, provide a means for the oil to drain back from = the engine to the sump.=20 My first one did not extend below the engine and I could put no more = that 3 1/2 quarts into the system before the oil would cover the drain = back tube, this in turn would cause oil mist to be blown out the oil = fill tube. I had not problem flying with 3.5 quarts because the engine = used no engine oil. However, my recommendation is to design it so the = oil sump is below the engine thus assuring no covering of oil return and = being able to hold a couple more quarts of oil. Here is a photo of one I had made and a drawing of another design for = "Plugs Up" oil pan by Jim Mosur. I used a 4"x4" section of 1/8" wall = aluminum tubing to make the sump and 3/16" plate to cover the engine = bottom. You must provide for the protrusion of the oil pressure control = device near the oil pick position. Hope this gives you some ideas Ed Ed Anderson Rv-6A N494BW Rotary Powered Matthews, NC eanderson@carolina.rr.com http://members.cox.net/rogersda/rotary/configs.htm#N494BW ------=_NextPart_000_0026_01C6D0F5.08A69E60 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Thanks, Ed, = that does=20 help.
I am going to = run a dry=20 sump oil pump so I won't have the pan volume problem. I just need a pan = design=20 that will allow oil recovery in aerobatic flight. Also, I think if I = prohibit=20 left wing down knife-edge flight, where the engine would be upside down, = I will=20 have no oil pickup problems associated with oil against the = rotors.
I plan to use = Tracy's=20 products and think a custom engine mount will be little extra trouble. I = was=20 hoping to use Jerry's beam, though.
Thanks, again = Ed. I'm sure=20 I will have more questions later that you have answers.
Ben
----- Original Message -----
From:=20 Ed=20 Anderson
Sent: 09/05/2006 1:42 PM
Subject: [FlyRotary] Re: Engine = alignment

Hi Ben,
 
Not Dale, but can provide you = my=20 perspective on "Plugs Up".  There are only two down-sides if you = wish,=20 one is that most vendor products such as engine mounts are designed = for the=20 automobile orientation - this may or may not have an impact.  I = have used=20 the Ross redrive as well as the RWS redrive - both using different=20 mounting  approaches and had no problem with either.   = The=20 second is that you need to design a sump so that the oil sump hangs = below the=20 engine line and extend a line from the oil intake to that sump, = provide a=20 means for the oil to drain back from the engine to the=20 sump. 
 
  My first one did not = extend below=20 the engine and I could put no more that 3 1/2 quarts into the system = before=20 the oil would cover the drain back tube, this in turn would cause oil = mist to=20 be blown out the oil fill tube.  I had not problem flying with = 3.5 quarts=20 because the engine used no engine oil.  However, my = recommendation is to=20 design it so the oil sump is below the engine thus assuring no = covering of oil=20 return and being able to hold a couple more quarts of = oil.
 
 Here is a photo of one I = had made=20 and a drawing of another design for "Plugs Up" oil pan by Jim = Mosur.  I=20 used a 4"x4" section of 1/8" wall aluminum tubing to make the sump and = 3/16"=20 plate to cover the engine bottom.  You must provide for the = protrusion of=20 the oil pressure control device near the oil pick = position.
 
Hope this gives you some=20 ideas
 
Ed
 
Ed Anderson
Rv-6A N494BW = Rotary=20 Powered
Matthews, NC
eanderson@carolina.rr.comhttp:/= /members.cox.net/rogersda/rotary/configs.htm#N494BW
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