X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [24.25.9.100] (HELO ms-smtp-01-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 5.0.6) with ESMTP id 918496 for flyrotary@lancaironline.net; Mon, 09 Jan 2006 08:51:05 -0500 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.100; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-025-165.carolina.res.rr.com [24.74.25.165]) by ms-smtp-01-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id k09Do3Wg017786 for ; Mon, 9 Jan 2006 08:50:05 -0500 (EST) Message-ID: <001c01c61523$98091ad0$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Frozen coolant... Date: Mon, 9 Jan 2006 08:50:04 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0019_01C614F9.AEF2AE70" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_0019_01C614F9.AEF2AE70 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi Dave, like everyone else sorry to hear about your coolant leak. I = once came out after a cold night and found coolant beneath my aircraft = by the exhaust and I figured that the coolant "O" rings were leaking. = Decided to fire up the engine anyway, coolant leak went away and never = came back. The only thing I could think up that might explain a = "temporary" leak was that the "O" rings had "shrunk" due to the cold = sufficient to allow a small leak. Not a very satisfactory answer - but = since I know you will be trying to figure out where the leak is coming = from wanted you to hear it. Ed=20 Ed Anderson Rv-6A N494BW Rotary Powered Matthews, NC eanderson@carolina.rr.com ----- Original Message -----=20 From: David Leonard=20 To: Rotary motors in aircraft=20 Sent: Sunday, January 08, 2006 11:35 PM Subject: [FlyRotary] Frozen coolant... I flew to Mammoth this weekend for some snow boarding. Has a great = time, and was 210 kts GS on the way up. Parked the plane for two nights and came back out this afternoon for = the flight home. But there was a small puddle of coolant under the = engine... and it was still dripping. =20 Then I remembered. I recently sprung a leak in a cooling line - while = away from home. After fixing the leak I used tap water to refill what = coolant had been lost - about a gallon. I had forgotten all about that = on this latest trip... to the mountains. I figure the antifreeze level = was now down to about 25/75 and the overnight temps in the low 20's did = the job.=20 I had to concentrate on getting back home for work tomorrow so I = couldn't do much. I couldn't even take off the lower cowl. I suspect the radiator is cracked somewhere. Anyone have any = experience with this sort of thing? Can this do damage to the engine = block? The radiator is custom and will not be cheap to replace, and it = will take a while, and the plane is an 8 hour drive away... :-(=20 --=20 Dave Leonard Turbo Rotary RV-6 N4VY http://members.aol.com/_ht_a/rotaryroster/index.html http://members.aol.com/_ht_a/vp4skydoc/index.html ------=_NextPart_000_0019_01C614F9.AEF2AE70 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi Dave, like everyone else sorry to hear about = your=20 coolant leak.   I once came out after a cold night and=20  found coolant beneath my aircraft by the exhaust and I figured = that the=20 coolant  "O" rings were leaking.  Decided to fire up the = engine=20 anyway, coolant leak went away and never came back.  The only thing = I could=20 think up that might explain a "temporary" leak was that the "O" rings = had=20 "shrunk" due to the cold sufficient to allow a small leak.  Not a = very=20 satisfactory answer - but since I know you will be trying to figure out = where=20 the leak is coming from wanted you to hear it.
 
Ed
 
Ed Anderson
Rv-6A N494BW Rotary = Powered
Matthews,=20 NC
eanderson@carolina.rr.com
----- Original Message -----
From:=20 David=20 Leonard
Sent: Sunday, January 08, 2006 = 11:35=20 PM
Subject: [FlyRotary] Frozen=20 coolant...

I flew to Mammoth this weekend for some snow boarding.  Has = a great=20 time, and was 210 kts GS on the way up.
 
Parked the plane for two nights and came back out this afternoon = for the=20 flight home.  But there was a small puddle of coolant under the = engine...=20 and it was still dripping. 
 
Then I remembered.  I recently sprung a leak in a cooling = line -=20 while away from home.  After fixing the leak I used tap water to = refill=20 what coolant had been lost - about a gallon.  I had forgotten all = about=20 that on this latest trip... to the mountains.  I figure the = antifreeze=20 level was now down to about 25/75 and the overnight temps in the low = 20's did=20 the job.
 
I had to concentrate on getting back home for work tomorrow so I = couldn't=20 do much.  I couldn't even take off the lower cowl.
 
I suspect the radiator is cracked somewhere.  Anyone have = any=20 experience with this sort of thing?  Can this do damage to the = engine=20 block?  The radiator is custom and will not be cheap to replace, = and it=20 will take a while, and the plane is an 8 hour drive away...  :-( =
--
Dave Leonard
Turbo Rotary RV-6 N4VY
http://memb= ers.aol.com/_ht_a/rotaryroster/index.html
http://members= .aol.com/_ht_a/vp4skydoc/index.html=20
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