Return-Path: Received: from fed1rmmtao02.cox.net ([68.230.241.37] verified) by logan.com (CommuniGate Pro SMTP 4.2b1) with ESMTP id 3147957 for flyrotary@lancaironline.net; Tue, 06 Apr 2004 00:10:20 -0400 Received: from Leonards ([68.111.228.182]) by fed1rmmtao02.cox.net (InterMail vM.6.01.03.01 201-2131-111-101-20040311) with ESMTP id <20040406041019.OAAX25770.fed1rmmtao02.cox.net@Leonards> for ; Tue, 6 Apr 2004 00:10:19 -0400 From: "David Leonard" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: idle speeds Date: Mon, 5 Apr 2004 21:10:20 -0700 Message-ID: <000001c41b8d$13935d60$b6e46f44@Leonards> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C41B52.67348560" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.3416 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C41B52.67348560 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Yes, unfortunately true. I was having those problems trying to get the coolant to circulate. I thought I was getting a handle on it. The system was thoroughly burped. At 2000 RPM the coolant was level at about 140. At 3000 it would cool to about 100. This told me that I was just circulating a little better at the higher RPM. After about 5 min at 4000 RPM the coolant temp was still only 150 when coolant began to spray the canopy. I thought for sure I had a big enough catch can. At first I couldn't figure out where the coolant was coming from. Until, to my utter dismay, I discovered it was coming from the oil vent line. :-( I had coolant dripping from the exhaust and spilling out around the injectors. I was so disgusted with the whole project I didn't even want to think about it. The next day I pressurized the cooling system and found a very slow leak of coolant into the front rotor chamber (as evidenced by the spray of coolant into the eye as I peered into the open spark plug hole and turned the prop - highly NOT recommended). I still have good compression all around, I just need to replace the water o-rings. I am going to use the TES o-rings. But even that won't help if I can't solve this damn circulation problem. I am really at whit's end. There is no reason I shouldn't be making coolant go round and round. With my work schedule re-building the engine will only set me back about . 3 months. Will make it thought to get to the next rotary roundup. David (It could be worse, I could have to do a bunch more fiberglass work.) Leonard The Rotary Roster: http://members.aol.com/_ht_a/rotaryroster/index.html David Leonard (working on the cowl while I await parts to re-build the engine) Re-build the engine? Did the cooling problems damage something? Man, I sure hope that's not what you really meant. Rusty ------=_NextPart_000_0001_01C41B52.67348560 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

Yes, unfortunately true.  I was having those problems trying to get the = coolant to circulate.  I thought I was getting a handle on it.  The = system was thoroughly burped.  At 2000 RPM the coolant was level at about = 140.  At 3000 it would cool to about 100.  This told me that I was just circulating a little better at the higher RPM.  After about 5 min = at 4000 RPM the coolant temp was  still only 150 when coolant began to = spray the canopy.  I thought for sure I had a big enough catch can.  At = first I couldn’t figure out where the coolant was coming from.  = Until, to my utter dismay, I discovered it was coming from the oil vent line.  = L  =

 

I had coolant dripping from the = exhaust and spilling out around the injectors.  I was so disgusted with the = whole project I didn’t even want to think about it.  The next day I = pressurized the cooling system and found a very slow leak of coolant into the front = rotor chamber (as evidenced by the spray of coolant into the eye as I peered = into the open spark plug hole and turned the prop – highly NOT = recommended).

 

I still have good compression all = around, I just need to replace the water o-rings.  I am going to use the = TES o-rings.  But even that won’t help if I can’t solve = this damn circulation problem.  I am really at whit’s end.  There = is no reason I shouldn’t be making coolant go round and round.  =

 

With my work schedule re-building = the engine will only set me back about …  3 months.  Will = make it thought to get to the next rotary roundup.

 

David  (It could be worse, I = could have to do a bunch more fiberglass work.) Leonard

The Rotary = Roster:

http://memb= ers.aol.com/_ht_a/rotaryroster/index.html

David Leonard (working on the cowl while I await parts to re-build the
engine)

 

Re-build the engine?  Did the = cooling problems damage something?  Man, I sure hope that's not what you = really meant.

 

Rusty

 

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