Return-Path: <13brv3@bellsouth.net> Received: from imf25aec.mail.bellsouth.net ([205.152.59.73] verified) by logan.com (CommuniGate Pro SMTP 4.3c3) with ESMTP id 816501 for flyrotary@lancaironline.net; Tue, 22 Mar 2005 20:41:18 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.73; envelope-from=13brv3@bellsouth.net Received: from rd ([65.6.194.9]) by imf25aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20050323014034.DPN2829.imf25aec.mail.bellsouth.net@rd> for ; Tue, 22 Mar 2005 20:40:34 -0500 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: side housing/rotor questions Date: Tue, 22 Mar 2005 19:40:43 -0600 Message-ID: <000001c52f49$542a17d0$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C52F17.098FA7D0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C52F17.098FA7D0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Both rotor housings had coolant inside the combustion chambers but I'm not sure why as the intake and exhaust (the heavy oem one) manifolds were on.=20 =20 You're welcome Jeff. Are you sure it was coolant? Maybe red coolant (propylene glycol)? Sometimes apex seals get stuck with the engine sits = for a while, and there are various fixes that include pouring something = (usually automatic trans fluid) in the housings to let the seals soak. I've = never heard of anyone using coolant for this, but you never know. =20 =20 Bruce Turrentine tried REAL hard to get me to use 9.4 rotors, rather = than insisting on 9.7's. Most everyone on this side of the ocean things = there wouldn't be much difference, but Leon says it does make a significant difference. Even with those odds, it's hard to bet against Leon. = Figure you might lose 5-10 HP as a wild guess. You can make it up with good porting. =20 Good luck, Rusty (have I mentioned recently that I hate fiberglass) ------=_NextPart_000_0001_01C52F17.098FA7D0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

Both rotor housings had coolant inside the=20 combustion
chambers but I'm not sure why as the intake and exhaust = (the heavy=20 oem
one) manifolds were on. 

 
You're = welcome=20 Jeff.  Are you sure it was coolant?  Maybe red coolant = (propylene=20 glycol)?  Sometimes apex seals get stuck with the engine sits for a = while,=20 and there are various fixes that include pouring something (usually = automatic=20 trans fluid) in the housings to let the seals soak.  I've never = heard of=20 anyone using coolant for this, but you never know.  =
 
Bruce Turrentine tried REAL hard = to get me=20 to use 9.4 rotors, rather than insisting on 9.7's.  Most everyone = on this=20 side of the ocean things there wouldn't be much difference, but Leon = says it=20 does make a significant difference.  Even with those odds, it's = hard to bet=20 against Leon.  Figure you might lose 5-10 HP as a wild guess.  = You can=20 make it up with good porting.
 
Good=20 luck,
Rusty (have I=20 mentioned recently that I hate fiberglass)



 ------=_NextPart_000_0001_01C52F17.098FA7D0--