Return-Path: Received: from smtp103.mail.sc5.yahoo.com ([66.163.169.222] verified) by logan.com (CommuniGate Pro SMTP 4.2.8) with SMTP id 600273 for flyrotary@lancaironline.net; Sun, 09 Jan 2005 08:56:01 -0500 Received-SPF: none receiver=logan.com; client-ip=66.163.169.222; envelope-from=prvt_pilot@yahoo.com Received: from unknown (HELO stevehome) (prvt?pilot@24.136.229.34 with login) by smtp103.mail.sc5.yahoo.com with SMTP; 9 Jan 2005 13:55:47 -0000 Reply-To: From: "Steve Brooks" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] engine is home now Date: Sun, 9 Jan 2005 08:55:42 -0500 Message-ID: <031901c4f652$e9982530$6b01a8c0@workgroup.com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_031A_01C4F629.00C3A3D0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook CWS, Build 9.0.6604 (9.0.2911.0) In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1441 Importance: Normal This is a multi-part message in MIME format. ------=_NextPart_000_031A_01C4F629.00C3A3D0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit MessageRusty, Another option would be to buy another engine for spare parts. They sell low mileage JDM engines for about $1100, and then you'd also have the other accessories as well, such as water pump, alternator, etc. I have a JDM 13BT in my plane, and when I tore it down for the rebuilt, it was in very good condition. When I measured the wear on the side housings, it was negligible, and the rotors were also in like new condition with very little carbon. FWIW Steve Brooks -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]On Behalf Of Russell Duffy Sent: Saturday, January 08, 2005 9:56 PM To: Rotary motors in aircraft Subject: [FlyRotary] engine is home now Greetings, Well, I've had a busy day, but the engine is sitting in my garage now. Just from looking in the exhaust port, I can already see that the major malfunction is behind door (rotor) #2. There's about 3 ounces of oil in the bottom of the rotor housing, and the exhaust pipe is similarly coated in oil. Rotor #1 seems dry, but I doubt it remained unscathed. I plan to tear the engine down tomorrow, and will post the results. My current plan is to send the rotors to Bruce, to let him get them ceramic coated. I'll probably also send him the stationary gears so he can press in new bearings all around. I anticipate needing to have my side housings replaced, or machined and re-nitrided. Has anyone got any particular recommendations for a shop to do the work on the side housings? New housings are about $350-$400. Would the machining and re-nitriding cost significantly less? If so, that may be the way to go, since the porting is already done. I'll know more tomorrow. Cheers, Rusty (it's steak and beer time again) ------=_NextPart_000_031A_01C4F629.00C3A3D0 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Message
Rusty,
Another option would be to buy another engine for spare = parts.  They=20 sell low mileage JDM engines for about $1100, and then you'd also have = the other=20 accessories as well, such as water pump, alternator, = etc.
 
I have=20 a JDM 13BT in my plane, and when I tore it down for the rebuilt, it was = in very=20 good condition.  When I measured the wear on the side housings, it = was=20 negligible, and the rotors were also in like new condition with very = little=20 carbon.
 
 
FWIW
 
Steve=20 Brooks
 
-----Original Message-----
From: Rotary motors in = aircraft=20 [mailto:flyrotary@lancaironline.net]On Behalf Of Russell=20 Duffy
Sent: Saturday, January 08, 2005 9:56 PM
To: = Rotary=20 motors in aircraft
Subject: [FlyRotary] engine is home=20 now

Greetings,
 
Well, I've = had a busy=20 day, but the engine is sitting in my garage now.  Just from = looking in=20 the exhaust port, I can already see that the major = malfunction is=20 behind door (rotor) #2.  There's about 3 ounces of oil in = the bottom=20 of the rotor housing, and the exhaust pipe is similarly coated in = oil. =20 Rotor #1 seems dry, but I doubt it remained unscathed.  = I plan=20 to tear the engine down tomorrow, and will post the=20 results.  
 
My current = plan is to=20 send the rotors to Bruce, to let him get them ceramic = coated.  I'll=20 probably also send him the stationary gears so he can press in=20 new bearings all around.  I anticipate needing to have = my side=20 housings replaced, or machined and re-nitrided.  =
 
Has anyone = got any=20 particular recommendations for a shop to do the work on the side=20 housings?   New housings = are about=20 $350-$400.   Would the machining and re-nitriding cost = significantly=20 less?  If so, that may be the way to go, since the porting is = already=20 done.  
 
I'll know = more=20 tomorrow. 
 
Cheers,
Rusty (it's = steak and=20 beer time again)
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