X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.2 cv=QoAc5h6d c=1 sm=1 tr=0 a=9JKJlijexIvT1S7cpBUTgA==:117 a=SXBiew/vpj/ylXhAxLhG+Q==:17 a=x7bEGLp0ZPQA:10 a=VqmtQeTB-p0A:10 a=R9QF1RCXAYgA:10 a=eRLigfuSAAAA:8 a=Ia-xEzejAAAA:8 a=pGLkceISAAAA:8 a=7g1VtSJxAAAA:8 a=ZlXTimVthL8jZ1yHk80A:9 a=WbbJhPez_2fn-S8J:21 a=Y8CK7NyCRPgv9t3Y:21 a=QEXdDO2ut3YA:10 a=Qa1je4BO31QA:10 a=gvSQh4r-fQ0A:10 a=H6sMt5EjZh4PqdStZIQA:9 a=cin3qR7JdUUN8GaS:21 a=mK9KD4HGrOCA2Hfs:21 a=z-7q9NIJJSQ3n1E9:21 a=_W_S_7VecoQA:10 a=BfhXYjFvZD4iae-mNffo:22 a=Urk15JJjZg1Xo0ryW_k8:22 a=grOzbf7U_OpcSX4AJOnl:22 From: "Tracy Crook rwstracy@gmail.com" Received: from mail-oi0-f47.google.com ([209.85.218.47] verified) by logan.com (CommuniGate Pro SMTP 6.2.6) with ESMTPS id 11449804 for flyrotary@lancaironline.net; Sun, 29 Jul 2018 08:43:23 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.218.47; envelope-from=rwstracy@gmail.com Received: by mail-oi0-f47.google.com with SMTP id 13-v6so16656545ois.1 for ; Sun, 29 Jul 2018 05:43:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:content-transfer-encoding:mime-version:date:subject:message-id :references:in-reply-to:to; bh=5qH7NlAcVxyVY/Net6yqssOk1pN6wUZbr91fyj/VxUA=; b=tJRaYEOvGomOxh5qHDJ8BYqJzWwHciUxxe0NAIrKM27tgAcEE+sHd4X1kGB7QMmI3p M7Hhbiq/pfn7HP+q3ssR86CrvFoVbsSfsZU4IgwGRZ34xiJKeUgVng8VJOekQUmmhupb mk0xjv/PloQaHDdn+UGEtE+ejMgjVL6/oVTbS/8lY/q55ANh3XSBNx/v9XKSrlJCinNQ pyANwjsup92CuL552dqbbCee0pCXVcAhnjkNWjPMVLd2QE80ksvuxf2EruP35FzB8gkr GsJXxy0xfVDCB37nlnP5YcLTYF4LVM0woi/ndWfL+8KnJ5eTkZphZ+KZbNkiLzmWdzyV OsCA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:content-transfer-encoding:mime-version:date :subject:message-id:references:in-reply-to:to; bh=5qH7NlAcVxyVY/Net6yqssOk1pN6wUZbr91fyj/VxUA=; b=kKSv9H2ITW/BSms2Y1HFxYpJM9cijTfCfKUErrxkHRJJetfGBlrZZfjoNIjzyjxdng bji/N0ufg1nZNMvYi7axiRPvRBXJVXPT78LwSekhi5Xfh5jm1fFlli8fis7l++tsIaFL TEVtb8T0XkS/viTXBXJeVXBSFgFCUl+oHylof011ucV+KSqV7mSCPsfNgtUM4PHt9T1/ rLDdSIRZsqWxCmAXTRTU8OzalF+jYjupaLOtqcKMNHsQZGiQYpkkRnE7Hfkvc2RPCFTh UQFdv+TzNDml5D3bPQsJ1x17a1eHuteQP3tmoJ6wjogGrErlK6SApVKpLSf/XWXGXY3l RaWQ== X-Gm-Message-State: AOUpUlHKY1qO5XQRvpcoKN5Rbto7/b3f6N+4iKVoWJeMa7xIQZwEAc6k SHlbCBPAklaLU2SgUdcsPA0urIrZ X-Google-Smtp-Source: AAOMgpeZdVdf2A0kxHl+pxrV/z3sZbNkh8IGA71FYne+A+7ZfwbaN/C81f6pVQD5uv3Y0kQSri3BMA== X-Received: by 2002:aca:d5cd:: with SMTP id m196-v6mr13177949oig.160.1532868184879; Sun, 29 Jul 2018 05:43:04 -0700 (PDT) Return-Path: Received: from [172.20.10.6] (169.sub-97-43-193.myvzw.com. [97.43.193.169]) by smtp.gmail.com with ESMTPSA id a8-v6sm5964035oia.24.2018.07.29.05.42.54 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 29 Jul 2018 05:43:03 -0700 (PDT) Content-Type: multipart/alternative; boundary=Apple-Mail-59B8F255-BDA2-421B-88D9-38B4A5BAD5E7 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (1.0) Date: Sun, 29 Jul 2018 06:40:59 -0600 Subject: Re: [FlyRotary] Re: cooling Message-Id: <6BD3DD80-FA42-4885-9347-EFF0BBF32786@gmail.com> References: In-Reply-To: To: Rotary motors in aircraft X-Mailer: iPad Mail (15F79) --Apple-Mail-59B8F255-BDA2-421B-88D9-38B4A5BAD5E7 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi Andrew, I regularly saw EGT temps at 1850 at full throttle on take with a 13B. W= ere you at full throttle the whole time? They should come down at lower pow= er. EGTs are a bit lower on the Renesis. When boring holes at low throttle= (17=E2=80=9D hg.) I see around 1525. Tracy Sent from my iPad > On Jul 29, 2018, at 05:01, Andrew Martin andrew@martinag.com.au wrote: >=20 > Finally managed to fly again this afternoon, seems the new oil cooler has d= one its magic now I found one that actually lets the oil through (Mocal 34ro= w). and is actually probably on the cold side for oil & coolant, but I can l= ive with that for now. Can't give accurate figures as it was a bit busy arou= nd the airport, & EC2 has no data recording function. > So now that I didn't have to fixate one the oil temp gauge, I seemed to gr= avitate to the next set of flashing numbers, EGT at 1875 seemed a bit high, a= dding fuel just made it run rough, did try leaning to the point of rpm drop,= A/F went above 18:1 but EGTemps remained when I expected a drop due to the l= ower power. so not sure whats going on, maybe EGT probes are too close to en= gine at 55mm from the ports and are still in the flame. > Would appreciate input from the group, otherwise I'm likely to cut the egt= wires and fly in an ignorant bliss. > Cheers Andrew >=20 >=20 >=20 >=20 >> On Fri, Jul 27, 2018 at 9:04 AM, Christian And Tamara Mcdonald christamar= mc@gmail.com wrote: >> Hey excellent Neil >> Will be interesting to see how she flies tas when u get her fine tuned >>=20 >> Cheers >>=20 >> Sent from my iPhone >>=20 >> > On 27 Jul 2018, at 7:57 am, Neil Unger 12348ung@gmail.com wrote: >> >=20 >> > Steve and Chris, >> >=20 >> > Finally got the fibreglass dry and fi= red up the revised cooling system and temp as follows Water 90 degrees, (on t= hermostat) Oil 80 degrees, and oil to reduction box 70 degrees ( from oil c= ooler). To fill other in on how stupid I can be, I had the original set up= , that ran far too cool, so I also believed that I was getting massive cooli= ng drag as my sportsman could only get 120 Kts instead of the usual 135 kts.= So I set about making up a very sexy cowling where the air from the radiat= or exhausted into the cowling. This put the gap between the radiator and th= e sump of only 4 - 6 inches, which worked well in that all it did was heat t= he oil in the sump marvelously!! I was getting oil temps 20 degrees hotter t= han the water. So after booting the cat many times in frustration, I finall= y realised that I had to exhaust the rads into the outside air as per the or= iginal. Fibreglass in the middle of winter ????. >> >=20 >> > Final part of the jig saw was that when I removed the original set up t= o mount my new engine and cowling, I found that I had never bolted the posit= ive lead to the back coil, and it has come off who knows when? Result I was= flying with the back rotor on the trailing plug only!!! Hence the slower sp= eed which I thought was the cooling drag! >> >=20 >> > So basically I am now right back where I started as per cooling exhaust= ing into the outside air, A lot more experience that I did not need and con= firmation that I am an idiot! >> >=20 >> > Neil Unger. >> >=20 >> >=20 >> > -- >> > Homepage: http://www.flyrotary.com/ >> > Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/L= ist.html >>=20 >> -- >> Homepage: http://www.flyrotary.com/ >> Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/Lis= t.html >=20 --Apple-Mail-59B8F255-BDA2-421B-88D9-38B4A5BAD5E7 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi Andrew,
   I regularly saw= EGT temps at 1850 at full throttle on take with a 13B.  Were you at fu= ll throttle the whole time?  They should come down at lower power. &nbs= p;EGTs are a bit lower on the Renesis.  When boring holes at low thrott= le (17=E2=80=9D hg.) I see around 1525.

Tracy
Sent from my iPad

On Jul 29, 2= 018, at 05:01, Andrew Martin andre= w@martinag.com.au <fly= rotary@lancaironline.net> wrote:

Finally managed to fly again this afternoon, s= eems the new oil cooler has done its magic now I found one that actually let= s the oil through (Mocal 34row).  and is actually probably on the cold s= ide for oil & coolant, but I can live with that for now. Can't give accu= rate figures as it was a bit busy around the airport, & EC2 has no data r= ecording function.
So now that I didn't have to fixate one the= oil temp gauge, I seemed to gravitate to the next set of flashing numbers, E= GT at 1875 seemed a bit high, adding fuel just made it run rough, did try le= aning to the point of rpm drop, A/F went above 18:1 but EGTemps remained whe= n I expected a drop due to the lower power. so not sure whats going on, mayb= e EGT probes are too close to engine at 55mm from the ports and are still in= the flame.
Would appreciate input from the group, otherwise I= 'm likely to cut the egt wires and fly in an ignorant bliss.
Cheers Andrew
=




On Fri, Jul 27, 2018 at 9:04 AM, Christian An= d Tamara Mcdonald christamarmc@gmail.com <flyrotary@lancaironline.net><= /span> wrote:
Hey excellent Neil
Will be interesting to see how she flies tas when u get her fine tuned

Cheers

Sent from my iPhone

> On 27 Jul 2018, at 7:57 am, Neil Unger 12348ung@gmail.com <flyrotary@lancaironline.net> w= rote:
>
> Steve and Chris,
>
>                    &n= bsp;              Finally got the fibregl= ass dry and fired up the revised cooling system and temp as follows Water 90= degrees, (on thermostat) Oil  80 degrees, and oil to reduction box 70 d= egrees ( from oil cooler).  To fill other in on how stupid I can be,&nb= sp; I had the original set up, that ran far too cool, so I also believed tha= t I was getting massive cooling drag as my sportsman could only get 120 Kts i= nstead of the usual 135 kts.  So I set about making up a very sexy cowl= ing where the air from the radiator exhausted into the cowling.  This p= ut the gap between the radiator and the sump of only 4 - 6 inches,  whi= ch worked well in that all it did was heat the oil in the sump marvelously!!=   I was getting oil temps 20 degrees hotter than the water.  So af= ter booting the cat many times in frustration, I finally realised that I had= to exhaust the rads into the outside air as per the original.  Fibregl= ass in the middle of winter ????.
>
> Final part of the jig saw was that when I removed the original set up t= o mount my new engine and cowling, I found that I had never bolted the posit= ive lead to the back coil, and it has come off who knows when?  Result I= was flying with the back rotor on the trailing plug only!!! Hence the slowe= r speed which I thought was the cooling drag!
>
> So basically I am now right back where I started as per cooling exhaust= ing into the outside air,  A lot more experience that I did not need an= d confirmation that I am an idiot!
>
> Neil Unger.
>
>
> --
> Homepage:  http://www.flyrotary.com/
> Archive and UnSub:   http://m= ail.lancaironline.net:81/lists/flyrotary/List.html

--
Homepage:  http://www.flyrotary.com/
Archive and UnSub:   http://mail.l= ancaironline.net:81/lists/flyrotary/List.html

= --Apple-Mail-59B8F255-BDA2-421B-88D9-38B4A5BAD5E7--