Return-Path: Received: from sccrmhc12.comcast.net ([204.127.202.56] verified) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 573105 for flyrotary@lancaironline.net; Sun, 19 Dec 2004 11:42:06 -0500 Received-SPF: none receiver=logan.com; client-ip=204.127.202.56; envelope-from=jesse@jessfarr.com Received: from office5 (pcp04959909pcs.midval01.tn.comcast.net[68.59.199.44]) by comcast.net (sccrmhc12) with SMTP id <20041219164135012007u3aoe>; Sun, 19 Dec 2004 16:41:35 +0000 Message-ID: <103601c4e5e9$7cb19510$057ba8c0@farr.com> From: "jesse farr" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Engine damage thoughts Date: Sun, 19 Dec 2004 11:40:45 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_1033_01C4E5BF.93ADC650" 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 This is a multi-part message in MIME format. ------=_NextPart_000_1033_01C4E5BF.93ADC650 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MessageI have built drag engines and stock car engines, went from = tearing down and replacing bearings in drag nitro burners every weekend = to just tearing down and then simply leaving alone until oil and filter = showed metal, because seemed to do and stay together better that way. I = rebuilt automatic transmissions and their parts for several years. We = started with the factory induced belief that the best thing to do with = all the hydraulics and valves was to completely disassemble and clean. I = became convinced the least done, if machine not filled with burned = clutch material and/or metal was fix what was broken, clean as well as = possible, filter new fluid to try and clean out what couldn't be = drained; and, leave the rest of it alone. From that, I went in with = several other fellows rebuilding hard parts, reselling soft parts and = ultimately manufacturing them, and they ultimately wound up becoming = major oem gasket and seal supplier. They later accumulated enough data = to support my "spelunker" (disturb as little as possible) theory. I = have worked around aircraft folks for years and have pretty much become = convinced that same thought applies there as well; even though I will = admit you might want to be sure and check it out a little better. As = the old saying goes, "If it ain't really broken, don't try and fix it." = JWID, IMHO jofarr, soddy tn ----- Original Message -----=20 From: Russell Duffy=20 To: Rotary motors in aircraft=20 Sent: Sunday, December 19, 2004 9:58 AM Subject: [FlyRotary] Re: Engine damage thoughts Mornin' all, While I appreciate all the reassurance of how easy the engine is to = rebuild, that isn't the problem. I've got all the tools, and have = watched Bruce's video a couple times. I've even taken engines apart, = and done mock assemblies. The only thing I haven't done is actually put = one together for real, but I have no doubt that I can do that. =20 The problem is that the "weekend" it will take, will last at least a = month because I would send my rotors off to be ceramic coated. If I = were to tear it down, I'd also replace the apex seals with the new = indestructible ones, because some day there's going to be a supercharger = on this engine :-) While these upgrades are another reason to want to = tear the engine down, Murphy's law states that my engine components will = be laying all over the hanger when the county tells me to vacate. It's = already going to be a nightmare to move all my stuff out, and I don't = want the complication of trying to pack all this extra stuff up, and = move it. I sure will be glad when the hanger is rebuilt. If I decide = to do the tear down, I'll probably just finish packing up my hanger = crap, and walk away from the RV-3 until the hanger is finished.=20 Once again, thanks for the comments. It doesn't sound like there's = any clear consensus on which way to go, so I'll just have to think about = it, and make a decision. Maybe the contents of the oil filter will make = the decision for me, though that could only be in a bad way. ------=_NextPart_000_1033_01C4E5BF.93ADC650 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
I have built drag engines and stock car = engines,=20 went from tearing down and replacing bearings in drag nitro burners = every=20 weekend to just tearing down and then simply leaving alone until oil and = filter=20 showed metal, because seemed to do and stay together better that = way. =20 I rebuilt automatic transmissions and their parts for several = years.  We=20 started with the factory induced belief that the best thing to do with = all the=20 hydraulics and valves was to completely disassemble and clean. I = became=20 convinced the least done, if machine not filled with burned clutch = material=20 and/or metal was fix what was broken, clean as well as possible, filter = new=20 fluid to try and clean out what couldn't be drained; and, leave the rest = of it=20 alone.  From that, I went in with several other fellows rebuilding = hard=20 parts, reselling soft parts and ultimately manufacturing them, and they=20 ultimately wound up becoming major oem gasket and seal = supplier.  They=20 later accumulated enough data to support my  "spelunker" (disturb = as little=20 as possible) theory.  I have worked around aircraft folks for = years=20 and have pretty much become convinced that same thought applies there as = well;=20 even though I will admit you might want to be sure and check it out a = little=20 better.  As the old saying goes, "If it ain't really broken, don't = try and=20 fix it." JWID, IMHO
 jofarr, soddy tn
----- Original Message -----
From:=20 Russell=20 Duffy
Sent: Sunday, December 19, 2004 = 9:58=20 AM
Subject: [FlyRotary] Re: Engine = damage=20 thoughts

Mornin' all,
 
While I appreciate all the = reassurance of=20 how easy the engine is to rebuild, that isn't the problem.  I've = got all=20 the tools, and have watched Bruce's video a couple times.  I've = even=20 taken engines apart, and done mock assemblies.  The only = thing I=20 haven't done is actually put one together for real, but I have no = doubt that I=20 can do that.  
 
The problem is that the = "weekend" it will=20 take, will last at least a month because I would send my = rotors off=20 to be ceramic coated.  If I were to tear it down, I'd=20 also replace the apex seals with the new indestructible = ones,=20 because some day there's going to be a supercharger on this engine = :-) =20 While these upgrades are another reason to want to tear the engine = down,=20 Murphy's law states that my engine components will be laying all over = the=20 hanger when the county tells me to vacate.  It's already = going to be=20 a nightmare to move all my stuff out, and I don't want the = complication of=20 trying to pack all this extra stuff up, and move it.  I sure will = be glad=20 when the hanger is rebuilt.  If I decide to do the tear down, = I'll=20 probably just finish packing up my hanger crap, and walk away from the = RV-3=20 until the hanger is finished. 
 
Once again, thanks for the = comments. =20 It doesn't sound like there's any clear consensus on which way to go, = so I'll=20 just have to think about it, and make a decision.  Maybe the = contents of=20 the oil filter will make the decision for me, though that could only = be in a=20 bad way. 
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