X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [24.25.9.103] (HELO ms-smtp-04-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.3c5) with ESMTP id 930926 for flyrotary@lancaironline.net; Tue, 03 May 2005 09:42:47 -0400 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.103; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-189-178.carolina.res.rr.com [24.74.189.178]) by ms-smtp-04-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id j43DfxL5002233 for ; Tue, 3 May 2005 09:42:00 -0400 (EDT) Message-ID: <002301c54fe5$e419fa60$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Home again & Colorado trip & Ed's new engine Date: Tue, 3 May 2005 09:42:03 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0020_01C54FC4.5CD8BEE0" 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_0020_01C54FC4.5CD8BEE0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Actually, Tracy. I am beginning to believe the old engine was not as = healthy as I thought - at least not compared to what this engine seems = to be doing. I was rather amazed myself at the low fuel burn - and = that was not as low as it would have gone, but I did not want to lean it = out overlymuch. Wanted to keep plenty of oil on the seals - I increased = my oil to 2 oz per gallon for this break-in period. I am also breaking = it in using Mobile 1 synthetic instead of Mineral oil - we will see. In any case, this low fuel burn seems to fly in face of my concerns = about an overly tight engine. The tightness seemed only to have an = affect at the lower (near idle rpms) and part of the problem of keeping = it running at the lower rpms I now know is related to the fuel map. - I = do not yet know what the static with this engine will be except that for = the couple of times I blipped it to 6000 rpm and stopped the increase = there as Bruce suggested not getting too wild for the first 10 hours or = so. Starts without a problem now, no smoke even on start up. Coolant temps = still a bit high, but going out this morning to open up the 10 sq inch = duct which happens to be feeding my hottest radiator (series hook up) - = so that should help a bit. Even on the flight home the coolant temps = had decreased, oil temp is no problem. =20 I have not played with the ignition set up until I had to reset the = crankangle sensor after the overhaul. I set it up static for approx 30 = deg, but have not yet played with the timing on the EC2. Not beyond = possibility that the old engine was a be retarded (in timing). Hopefully all will continue in a positive way. =20 Have a safe trip and watch out for those "Rocky Mountain Highs", I = understand they can get you heart to racing {:>) Ed ----- Original Message -----=20 From: Tracy Crook=20 To: Rotary motors in aircraft=20 Sent: Monday, May 02, 2005 7:30 PM Subject: [FlyRotary] Re: Home again & Colorado trip & Ed's new engine Amazing feeling isn't it? Makes you love the machine even more. =20 Not looking forward to those risky miles on the road. Thank you Ken & = Kelly for the gracious offer of a friendly place to stop. We are on a = tight schedule after multiple rain/flood delays (I feel your pain Rusty) = but if it works out right we will gladly take you up on the offer. Will = give you a heads up before if we are in the area at stopping time. We = have no idea what kind of speed we'll be making while towing our = decrepit travel trailer "Ted" (Temporary Emergency Domicile). BTW Ed, I was amazed at the great improvement in minimum level flight = fuel burn with the new engine. That is HUGE! Now it is closer to what = mine is (~3.5 gph) as I would have expected. I have to wonder if there = was something wrong with the old engine or setup. Did you ever play = with the ignition timing before? That is about the only thing that can = make a basically healthy engine give such higher fuel burn. (retarded = ignition timing). Anyway, glad you found the extra efficiency & power. = Even with a bit more weight & drag, your -6 should not have been that = much different than my -4. Tracy I can certainly relate to how good it feels to get your baby home. = Pulled up in my hangar and sighed after the flight home. Have a great trip, Tracy. Remember you are driving out there - much = more dangerous than flying - so keep on your toes and watch for closing = traffic. Ed ------=_NextPart_000_0020_01C54FC4.5CD8BEE0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Actually, Tracy.  I am beginning to believe = the old=20 engine was not as healthy as I thought - at least not compared to what = this=20 engine seems to be doing.  I was rather amazed myself at the low = fuel burn=20 -  and that was not as low as it would have gone, but I did not = want to=20 lean it out overlymuch.  Wanted to keep plenty of oil on the seals = - I=20 increased my oil to 2 oz per gallon for this break-in period.  I am = also=20 breaking it in using Mobile 1 synthetic instead of Mineral oil - we will = see.
 
In any case,  this low fuel burn seems to = fly in face=20 of my concerns about an overly tight engine.  The=20 tightness seemed only to have an affect at the lower (near idle = rpms) and=20 part of the problem of keeping it running at the lower rpms I now know = is=20 related to the fuel map.  - I do not yet know what the static with = this=20 engine will be except that for the couple of times I blipped it to 6000 = rpm and=20 stopped the increase there as Bruce suggested not getting too wild for = the first=20 10 hours or so.
 
Starts without a problem now, no smoke even on = start=20 up.  Coolant temps still a bit high, but going out this morning to = open up=20 the 10 sq inch duct which happens to be feeding my hottest radiator = (series hook=20 up) - so that should help a bit.  Even on the flight home the = coolant temps=20 had decreased, oil temp is no problem. 
 
I have not played with the ignition set up until = I had to=20 reset the crankangle sensor after the overhaul.  I set it up static = for=20 approx 30 deg, but have not yet played with the timing on the EC2.  = Not=20 beyond possibility that the old engine was a be retarded (in=20 timing).
 
Hopefully all will continue in a positive = way. =20
 
Have a safe trip and watch out for those "Rocky = Mountain=20 Highs", I understand they can get you heart to racing = {:>)
 
Ed
 
 
----- Original Message -----
From:=20 Tracy = Crook
Sent: Monday, May 02, 2005 7:30 = PM
Subject: [FlyRotary] Re: Home = again &=20 Colorado trip & Ed's new engine

Amazing feeling isn't it?  Makes you love = the machine even=20 more. 
 
Not looking forward to those risky miles on the road.  Thank = you Ken=20 & Kelly for the gracious offer of a friendly place to stop.  = We are=20 on a tight schedule after multiple rain/flood delays (I feel your pain = Rusty)=20 but if it works out right we will gladly take you up on the = offer.  Will=20 give you a heads up before if we are in the area at stopping = time.  We=20 have no idea what kind of speed we'll be making while towing our=20 decrepit travel trailer "Ted"  (Temporary Emergency = Domicile).
 
BTW Ed, I was amazed at the great improvement in minimum level = flight=20 fuel burn with the new engine.  That is HUGE!  Now it = is closer=20 to what mine is (~3.5 gph) as I would have expected.  I have to = wonder if=20 there was something wrong with the old engine or setup.  Did you = ever=20 play with the ignition timing before?  That is about the only = thing that=20 can make a basically healthy engine give such higher fuel burn. =20 (retarded ignition timing).  Anyway, glad you found the extra = efficiency=20 & power.  Even with a bit more weight & drag, your -6 = should not=20 have been that much different than my -4.
 
Tracy

I can certainly relate to how good it feels = to get=20 your baby home.  Pulled up in my hangar and sighed after the = flight=20 home.
 
Have a great trip, Tracy.  Remember you = are=20 driving out there - much more dangerous than flying - so keep on = your toes=20 and watch for closing traffic.
 
Ed
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