Return-Path: Sender: (Marvin Kaye) To: flyrotary Date: Mon, 20 Oct 2003 22:46:19 -0400 Message-ID: X-Original-Return-Path: Received: from [24.25.9.102] (HELO ms-smtp-03-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.1.5) with ESMTP id 2643393 for flyrotary@lancaironline.net; Mon, 20 Oct 2003 07:23:20 -0400 Received: from o7y6b5 (clt78-020.carolina.rr.com [24.93.78.20]) by ms-smtp-03-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id h9KBNFhg024290 for ; Mon, 20 Oct 2003 07:23:17 -0400 (EDT) X-Original-Message-ID: <002201c396fc$4da9bb40$1702a8c0@WorkGroup> From: "Ed Anderson" X-Original-To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] EWP series flight data & hail X-Original-Date: Mon, 20 Oct 2003 07:21:27 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001F_01C396DA.C64D56A0" 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_001F_01C396DA.C64D56A0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Original Message -----=20 From: Haywire=20 To: Rotary motors in aircraft=20 Sent: Monday, October 20, 2003 12:16 AM Subject: [FlyRotary] EWP series flight data & hail I got up for awhile today and able to get a little more info. With = engine running and cooling system pressurized I found that with a single = pump running in the series configuration flow was only ~15% reduced from = previous flows without the spare pump. However use of both pumps = increased flow by ~30% over a single pump. In an extended climb I found = that temps began to climb faster than previous, but turning on the = second pump reduced the temps. SNIP Then I looked through the air inlets and found that my rads looked = like I took a ball peen hammer to them. All of the cooling fins are = pounded in. However the oil cooler is fine with no dents at all. I'm = certain that the coolers can be salvaged with a few hours and a pair of = needle nose pliers, however I'm not certain if they will ever be as = efficient again. I will attempt to straighten them but am prepared to = weld up a new set if necessary. At least I finally got to fly again today and gained some valuable = experience as well. S. Todd Bartrim Turbo 13B RV-9Endurance C-FSTB Todd, glad to heard only minimal damage to your craft. There is a = wide blade pliers -ike device that is designed to straighten radiator = fins. It works much better than needle nose pliers. You might be able = to find it through one of the auto catalogs. ED Anderson ------=_NextPart_000_001F_01C396DA.C64D56A0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
  Original Message = -----
From:=20 Haywire
Sent: Monday, October 20, 2003 = 12:16=20 AM
Subject: [FlyRotary] EWP series = flight=20 data & hail

   =20 I got up for awhile today and able to get a little more info. With = engine=20 running and cooling system pressurized I found that with a single pump = running=20 in the series configuration flow was only ~15% reduced from previous = flows=20 without the spare pump. However use of both pumps increased flow by = ~30% over=20 a single pump. In an extended climb I found that temps began to climb = faster=20 than previous, but turning on the second pump reduced the=20 temps.
     =20 SNIP
 
    Then I looked through = the air=20 inlets and found that my rads looked like I took a ball peen hammer to = them.=20 All of the cooling fins are pounded in. However the oil cooler is fine = with no=20 dents at all. I'm certain that the coolers can be salvaged with a few = hours=20 and a pair of needle nose pliers, however I'm not certain if they will = ever be=20 as efficient again. I will attempt to straighten them but am prepared = to weld=20 up a new set if necessary.
   =20 At least I finally got to fly again today and gained some valuable = experience=20 as well.

S. Todd Bartrim
Turbo 13B=20 RV-9Endurance
C-FSTB

 

Todd, glad to heard only minimal = damage to=20 your craft.  There is a wide blade pliers -ike device that is = designed to=20 straighten radiator fins.  It works much better than needle nose=20 pliers.  You might be able to find it through one of the auto=20 catalogs.

ED=20 Anderson

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