X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.3 cv=JejCUnCV c=1 sm=1 tr=0 a=yddmuxop3eaF2vhkAzXwyw==:117 a=jpOVt7BSZ2e4Z31A5e1TngXxSK0=:19 a=x7bEGLp0ZPQA:10 a=JZygid9Izu4A:10 a=E5NmQfObTbMA:10 a=pGLkceISAAAA:8 a=Ia-xEzejAAAA:8 a=on22okXAAAAA:8 a=7g1VtSJxAAAA:8 a=q9Zi4yPSPL7-xT1VB4QA:9 a=zm5j_K-HbSpzzho1:21 a=-k3pRHQ4HYw1x5oV:21 a=QEXdDO2ut3YA:10 a=Qa1je4BO31QA:10 a=gvSQh4r-fQ0A:10 a=mOaR3b4MMGlkNyZUTakA:9 a=kX3Uh4KvyroQsyVq:21 a=dPldrnZ0JxT_oJM6:21 a=nQiRTcrT0SJb_G1A:21 a=Urk15JJjZg1Xo0ryW_k8:22 a=NPqpj5bUEVj9vR1HIonK:22 a=grOzbf7U_OpcSX4AJOnl:22 From: "Kelly Troyer keltro@gmail.com" Received: from mail-lj1-f181.google.com ([209.85.208.181] verified) by logan.com (CommuniGate Pro SMTP 6.2.12) with ESMTPS id 12540160 for flyrotary@lancaironline.net; Wed, 08 May 2019 00:08:40 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.208.181; envelope-from=keltro@gmail.com Received: by mail-lj1-f181.google.com with SMTP id y10so9695113lji.9 for ; Tue, 07 May 2019 21:08:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=6Wmrkz5HhV4qSm2KDe0EnfCnX3WycRtmvG1cU270dPQ=; b=cs9OuTwuD1Ev2rIAS4/kP+a5rSXJOYb+N3v1evPtcjgWX4ryqsHn+arbQTt8f3QG9+ AZx6MWEuBnyCby2moIxqXkw/Vsmk5RaDKBAVNnJ9U8cjGby3OTx+7zEUQzrJI3njrGCZ 6nsc5UHhu+ddduX2887w6Aui5lWVbiuWnkhsNLd38O3ynXvsy7wp1FPVJs/bHildaYU/ MN3bPM/yKDXZVy3Wb/ZjoCcfPCb30gErca/rCUn1s3d4mj6+DpKzViqMeov5uVXxYy/O WI+4ZDVPd5kG1hQjplMQxvMSA41pwUyd3bREALb1LiqZkakS4gMe0W11xG0pDT8OHjqk XrGw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=6Wmrkz5HhV4qSm2KDe0EnfCnX3WycRtmvG1cU270dPQ=; b=Ru48pOC4IuuwjWpAxEv0OOdxUbP0snLjFsLkFAUkDnaPqTTUTBqeCjjE0nkvA8p5f2 se32unMlZgl6grFQyX2n5nv3j9LOCyUEC1LYLv2HE+czmsGj3MTgrYj/KwrtfVr1y8JG HqVeF0OhYJWG+SilAitlw7OzgcHnCAKLwhWDcPo30jTvNmkGbSyzaKzb+9RyhGyC8/+O kSfvXy/tZ4XnYE8iek3QF7PnhyR201iw2gs0rNsGhvXvScDJVqFEyu8cd32xlPzqKACc G1904/AdIOaTBpWmMvDMukSCzCuZjkbCuDq8T3TF31372WkFXYkKRUYJae3CJP3NPOaQ dcNg== X-Gm-Message-State: APjAAAXUMiRsFpFD6QszWpFoiuDFhiXWuxZnKAx5zz1NlkIpGhU9UFWX vMRw2QuXX9uwUo+/EriWK5oKMcoyIhylCVkaBk78fA== X-Google-Smtp-Source: APXvYqwgAeex+BfFutiNgrHl5hcV2pOLeQJbwl2HnS5bNVMg5ylNlyOFqYaYYNIaRNUC4uM7XVqW8f/03NOegIbGUlU= X-Received: by 2002:a2e:9812:: with SMTP id a18mr20424311ljj.146.1557288503059; Tue, 07 May 2019 21:08:23 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: Date: Tue, 7 May 2019 23:06:38 -0500 Message-ID: Subject: Re: [FlyRotary] Re: Venting the Reduction Drive To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary="00000000000009aa7f0588587ce1" --00000000000009aa7f0588587ce1 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Matt, So you are trying using self contained lube with no pressure feed from the engine and no drain...=E2=80=A6...Watch your temps......=E2=80=A6=E2=80= =A6.Let us know what happens...=E2=80=A6... Kelly Troyer On Tue, May 7, 2019 at 10:15 PM Matt Boiteau mattboiteau@gmail.com < flyrotary@lancaironline.net> wrote: > I've been experimenting on Neil's PSRU with sealing it up. Only adding a > breather vent on the rear housing. So far I've only done ground testing, > but all seems well enough to fly with it soon enough. The Tygon house in > the picture was only to see the oil flow, it's capped off now. I ran gear > oil 70w-140 and it was way to thick and came out the breather vent, so we= nt > back down to my normal engine oil 20w-50. Filled half full, but I think I > can go a little less, haven't tested the idle level yet. > > I have a temp sensor (1/3 down), and a digital level sensor (half way) > installed in the rear housing as well. > > - Matt Boiteau > > On 2019-05-07 12:32:26 PM, Steven W. Boese SBoese@uwyo.edu < > flyrotary@lancaironline.net> wrote: > If the original return line was not enlarged, the "vent" line simply acte= d > as an additional return line and my gearboxes operated completely filled > with oil. > > Steve Boese > > > On May 7, 2019, at 9:41 AM, Jeff Whaley jwhaley@datacast.com wrote: > > > > =E2=97=86 This message was sent from a non-UWYO address. Please exercis= e caution > when clicking links or opening attachments from external sources. > > > > > > Hi Steve, is the enlarging of the oil return necessary? > > I thought you first tried enlarging the return line expecting it to > improve draining, only to find no improvement until the vent line was > added. > > Jeff > > > > Jeff, > > At this point I have only 3 hr of flight time on the gearbox with the > modified drain and vent. I have not observed a significant effect with > respect to power absorption or heat generation. > > > > Connecting the vent line to the foot of the rotor housing was > ineffective even though this location was above the oil level. Connecting > the vent line to the area of the oil filler opening at the top of the > center iron allowed the gearbox to drain as intended. > > > > The most troublesome part of the modification was enlarging the oil > return to 1/2" NPT in the rotor housing foot. > > > > Steve Boese > > > > > > -- > > Homepage: http://www.flyrotary.com/ > > Archive and UnSub: > http://mail.lancaironline.net:81/lists/flyrotary/List.html > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: > http://mail.lancaironline.net:81/lists/flyrotary/List.html > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: > http://mail.lancaironline.net:81/lists/flyrotary/List.html > --00000000000009aa7f0588587ce1 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Matt,
=C2=A0 So you are tr= ying using self contained lube with no pressure feed from the engine and no= drain...=E2=80=A6...Watch your temps......=E2=80=A6=E2=80=A6.Let us know w= hat happens...=E2=80=A6...

Kelly Troyer=C2=A0

On Tue, May 7, 2019 at 10:15 PM Matt Boiteau mattboiteau@gmail.com <flyrotary@lancaironline.net> wrote:
I've been experimenting on Neil= 's PSRU with sealing it up. Only adding a breather vent on the rear hou= sing. So far I've only done ground testing, but all seems well enough t= o fly with it soon enough. The Tygon house in the picture was only to see t= he oil flow, it's capped off now. I ran gear oil 70w-140 and it was way= to thick and came out the breather vent, so went back down to my normal en= gine oil 20w-50. Filled half full, but I think I can go a little less, have= n't tested the idle level yet.

I have a temp sensor (1/3 down),= and a digital level sensor (half way) installed in the rear housing as wel= l.

- Ma= tt Boiteau

On 2019-05-07 12:32:26 PM, Steven W. Boese SBoese@uwyo.edu <flyrotary@lancaironline.net> wro= te:

If the origina= l return line was not enlarged, the "vent" line simply acted as a= n additional return line and my gearboxes operated completely filled with o= il.

Steve Boese

> On May 7, 2019, at 9:41 AM, Jeff Whaley jwhaley@datacast.com wrote:
>=20
> =E2=97=86 This message was sent from a non-UWYO address. Please ex= ercise caution when clicking links or opening attachments from external sou= rces.
>=20
>=20
> Hi Steve, is the enlarging of the oil return necessary?
> I thought you first tried enlarging the return line expecting it t= o improve draining, only to find no improvement until the vent line was add= ed.
> Jeff
>=20
> Jeff,
> At this point I have only 3 hr of flight time on the gearbox with = the modified drain and vent. I have not observed a significant effect with= respect to power absorption or heat generation.
>=20
> Connecting the vent line to the foot of the rotor housing was inef= fective even though this location was above the oil level. Connecting the = vent line to the area of the oil filler opening at the top of the center ir= on allowed the gearbox to drain as intended.
>=20
> The most troublesome part of the modification was enlarging the oi= l return to 1/2" NPT in the rotor housing foot.
>=20
> Steve Boese
>=20
>=20
> --
> Homepage: http://www.flyrotary.com/
> Archive and UnSub: http://mail.lancaironline.net:8= 1/lists/flyrotary/List.html

--
Homepage: http://www.flyrotary.com/
Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html
<= /div>
--
Homepage:=C2=A0 http://www.flyrotary.com/
Archive and UnSub:=C2=A0 =C2=A0http://mail= .lancaironline.net:81/lists/flyrotary/List.html


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