X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.3 cv=JejCUnCV c=1 sm=1 tr=0 a=IX6eaE+DqNKGQiIer2SbOQ==:117 a=jpOVt7BSZ2e4Z31A5e1TngXxSK0=:19 a=x7bEGLp0ZPQA:10 a=K7ySfSCCDxUA:10 a=E5NmQfObTbMA:10 a=pGLkceISAAAA:8 a=Ia-xEzejAAAA:8 a=on22okXAAAAA:8 a=7g1VtSJxAAAA:8 a=hN4NLbJ34iZihV9Acs8A:9 a=k4O6PVBY3tKNb8y4:21 a=1ZRzKEbmaYqKv5QF:21 a=QEXdDO2ut3YA:10 a=Qa1je4BO31QA:10 a=gvSQh4r-fQ0A:10 a=PhCh0BkxbBX2e9-nVOIA:9 a=3aFN1lDElOIZnw-l:21 a=k2B-St_21Yx-Zcel:21 a=ec3VNzljBp3u3fOi:21 a=Urk15JJjZg1Xo0ryW_k8:22 a=NPqpj5bUEVj9vR1HIonK:22 a=grOzbf7U_OpcSX4AJOnl:22 From: "Matt Boiteau mattboiteau@gmail.com" Received: from mail-yw1-f45.google.com ([209.85.161.45] verified) by logan.com (CommuniGate Pro SMTP 6.2.12) with ESMTPS id 12543021 for flyrotary@lancaironline.net; Wed, 08 May 2019 16:44:39 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.161.45; envelope-from=mattboiteau@gmail.com Received: by mail-yw1-f45.google.com with SMTP id w18so19601ywa.12 for ; Wed, 08 May 2019 13:44:40 -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=e2uCLKNmuf0PgAOOSpRfDFGOb05hC+GVg7kXs1jBDl8=; b=FmuWaeIuFwgaMi9r3qYu3FlqccL9G9ynbQ0t6b0V/y7J9cwIQL5LKI15yROPwC99dx 2JM/q97XqPfGPaghuvZGwY01fci5ZLIiUm9KuQru6Iz+PRUdCnBPRth8417M9V1/t7cy YaQEt9xHL208icE+vFAs/41gsBhfKkWewGBLQmAm0mlBGhd3kse0hTiNOvrj7jA79FgP AHpADQZkfALH/f0kp0eJoayhTnKyyigXKRRhuz5gjjMV+djEEDt4odp8MiV5KEDEJdx4 Z7ajwy1/7fURfOyxf+tg7LJRJAVw0TtLQM1sowtTcAjLBpGFEs150rEqWVHEqWuVx2L2 cEqA== 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=e2uCLKNmuf0PgAOOSpRfDFGOb05hC+GVg7kXs1jBDl8=; b=OsUhJNP3ekBHzaLP7UGNW9JWCdRYmp1PP8l8q4V4IS5Ya7lJYKlfmyNomi7BEqV0N+ jW1ff6rRsIkSyjGCq7vrYr/1iA/c3Yh6At4D6Qq0040DV0gU5mWB4Mom4souBMXLkMqH XgLt2LXn6zgjP3ruVLyRMnRSNvkl5g+StCTqP1bWpd+Yta5h3u5uNvB+Cl9JKNVcmAdK FzRCPChflJlMAUUEJaNtTEsJOYCps+Qoi0YQEm4K/rvWlFroUdaebTMRzHgWhsWsDBHG lhEaB77l7kD+PO8l4mp7AANB1dpBBq6HfEb8pv2zCCi44lzg8y3PpryTfU7l74VTIW6a mcHQ== X-Gm-Message-State: APjAAAUX74JVIO2tximU3a4XqS2/P74hbleulDOHhyEQW/7yBMUWT5mU ZiL6rMplJGmmLmjMNgDOxlJ+RsZpHyJTvTZmObcwCeSzDZ4= X-Google-Smtp-Source: APXvYqzflAULyHDl3VS7T63h4KjjvOFfzqqMmYKDCDl9JMLyc+fzF2sx9rQS2H7qwLjTWe7Hzb0gO8u6zU4V3GYuZO4= X-Received: by 2002:a81:a60b:: with SMTP id d11mr28088627ywh.251.1557348263238; Wed, 08 May 2019 13:44:23 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: Date: Wed, 8 May 2019 16:44:11 -0400 Message-ID: Subject: Re: [FlyRotary] Re: Venting the Reduction Drive To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary="000000000000059edd058866665f" --000000000000059edd058866665f Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Neil's. 3.17 ratio. I've found the back gears push the oil to the front pretty well. - Matt Boiteau On Wed, May 8, 2019, 13:13 David Leonard wdleonard@gmail.com < flyrotary@lancaironline.net> wrote: > Matt, is this one of Tracy Crooks drives? If so, it will absolutely fail > in short order with no pressure feed to the main bearing. > > Dave Leonard. > > On Wed, May 8, 2019, 7:03 AM Matt Boiteau mattboiteau@gmail.com < > flyrotary@lancaironline.net> wrote: > >> So far on the ground, static 2200 prop rpm for 30seconds, temps only got >> to 135=C2=B0F. >> >> Haven't flown yet. Will advise in June. >> >> - Matt Boiteau >> >> On Wed, May 8, 2019, 00:09 Kelly Troyer keltro@gmail.com < >> flyrotary@lancaironline.net> wrote: >> >>> Matt, >>> So you are trying using self contained lube with no pressure feed fro= m >>> 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 test= ing, >>>> 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 g= ear >>>> oil 70w-140 and it was way to thick and came out the breather vent, so= went >>>> back down to my normal engine oil 20w-50. Filled half full, but I thin= k 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 >>>> acted as an additional return line and my gearboxes operated completel= y >>>> 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 exer= cise >>>> caution when clicking links or opening attachments from external sourc= es. >>>> > >>>> > >>>> > 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 th= e >>>> 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. Connect= ing >>>> 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 >>>> >>> >>> >>> --000000000000059edd058866665f Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Neil's. 3.17 ratio.
I've found t= he back gears push the oil to the front pretty well.

- Matt Boiteau

=
On Wed, Ma= y 8, 2019, 13:13 David Leonard wdleo= nard@gmail.com <flyro= tary@lancaironline.net> wrote:
Matt, is this one of Tracy Crooks drives?=C2=A0 If so,= it will absolutely fail in short order with no pressure feed to the main b= earing.

Dave Leonard.

On = Wed, May 8, 2019, 7:03 AM Matt Boiteau mattboiteau@gmail.com <flyrotary@lancaironline.net> wrote:
So far on the ground, static 2200 prop= rpm for 30seconds, temps only got to 135=C2=B0F.

Haven't flown = yet. Will advise in June.

- = Matt Boiteau

On Wed, May 8, 2019, 00:09 Kelly Troyer keltro@gmail.= com <flyrotary@lancaironline.net> wrote:<= br>
<= div>Matt,
=C2=A0 So you are trying using self contained lube with= no pressure feed from the engine and no drain...=E2=80=A6...Watch your tem= ps......=E2=80=A6=E2=80=A6.Let us know what happens...=E2=80=A6...

Kelly Troyer=C2=A0

On Tue, May 7, 2019 at 10:15 PM Ma= tt 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.

- Matt Boitea= u

On 2019-05-07 12:32:26 PM, Steven W. Boese SBoese@uwyo.= edu <flyrotary@lancaironline.net&= gt; wrote:

If the = original return line was not enlarged, the "vent" line simply act= ed 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 jw= haley@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:81/lists/flyrotary/List.html

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


=
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