X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.3 cv=JejCUnCV c=1 sm=1 tr=0 a=Md+RgbgPhccR+5HZVwOP3Q==:117 a=jpOVt7BSZ2e4Z31A5e1TngXxSK0=:19 a=x7bEGLp0ZPQA:10 a=oSMvVwY2MYMA:10 a=E5NmQfObTbMA:10 a=pGLkceISAAAA:8 a=Ia-xEzejAAAA:8 a=on22okXAAAAA:8 a=7g1VtSJxAAAA:8 a=29ZoS4DblR8ApBIIaZoA:9 a=3kC6DXlKgvx2_MEu:21 a=BVBbw9bNxbGft4wQ:21 a=QEXdDO2ut3YA:10 a=Qa1je4BO31QA:10 a=gvSQh4r-fQ0A:10 a=PhCh0BkxbBX2e9-nVOIA:9 a=XawatljzoOGcegFV:21 a=_IUvh3QOLxbED1KF:21 a=yExPZmYq9iCU0DDT:21 a=Urk15JJjZg1Xo0ryW_k8:22 a=NPqpj5bUEVj9vR1HIonK:22 a=grOzbf7U_OpcSX4AJOnl:22 From: "David Leonard wdleonard@gmail.com" Received: from mail-qk1-f177.google.com ([209.85.222.177] verified) by logan.com (CommuniGate Pro SMTP 6.2.12) with ESMTPS id 12542173 for flyrotary@lancaironline.net; Wed, 08 May 2019 13:13:34 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.222.177; envelope-from=wdleonard@gmail.com Received: by mail-qk1-f177.google.com with SMTP id a64so740646qkg.5 for ; Wed, 08 May 2019 10:13:35 -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=NVF64bUMoec/aQS+fTaRSTfmEVxL6pRLc9Dl+y791wk=; b=if+NDs0j1xHYSRaZatvqQ27yXnx+QClQQSobkYr3rcqePMGs14YU8tUf2NUUKv8gJy pQ4varwYjO6R1aEZOtLt/HBppRec7O/tqL+KR6Rj/nhjkZEqKtsV1Ks4uQl7nH7pfsWa g0ierxLcDJYuumvCjE1H55UCxP2T52G2nKOrRDRXamprb0xsf4Utyo+JDTUGlYL49Nms HQbE2acDQ3g77nbacqvuQTI0yCojZZFnm5rDLob8ndpvhxXc9y8v814IaRsZSNxp+KIr 98ANqaUBzT9/+At39fWHDNpKLejp0HMAHVvRO/swAHXbgbnbyLD8pAZFrK5+uTgSSWrd kteQ== 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=NVF64bUMoec/aQS+fTaRSTfmEVxL6pRLc9Dl+y791wk=; b=C3tINx43Rvbe7odCP7SWaWEPaNx28nyZoP63qjhoseC20CI9iRusR2UbkvsPBInyct TWsiGI8eKphYlBqfd9ztWbmLducIY/kGgDKnPsRBK3NRVJNLw0sboWdlbH+07cqupDdO nfZ1PHqL2jyiEj/mesvlxMWVtV/hZZibnIZdBPkgVAPCxpFSX8HCailneV46l9nSCdvr 2scGCYeeeUfI0ArVBBW8ykz4/EJvc5zTUbRNNuX5Y7sQIm3Waf0GoC+L+9aQ1Z4fZPTc XruF7UZt9cjo/hEScYau0O4W3sWNMgaL+ccw5d3K5mugQ9pVW18+YpP842awZVb2/6wB H5Ig== X-Gm-Message-State: APjAAAXAmbgEPR8tEM7cmNveAZnYOSmI+oTlX7JstTVB2VnF8tMJQRjd lF93JBwaN8rhIplTLhQ1Xnng9EV+/+/nR0CPvKBhMA== X-Google-Smtp-Source: APXvYqyeTjMbkU54Xu+iCLCj+n51UOXpGk0XlvEuXH6X+bDg7B8XqKQvms5R/EGfW5aHfX8aaVH4I7oBgdei4keqVZw= X-Received: by 2002:ae9:e910:: with SMTP id x16mr6872360qkf.35.1557335597196; Wed, 08 May 2019 10:13:17 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: Date: Wed, 8 May 2019 10:13:03 -0700 Message-ID: Subject: Re: [FlyRotary] Re: Venting the Reduction Drive To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary="00000000000011297405886373d1" --00000000000011297405886373d1 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable 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 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 i= n >>> the picture was only to see the oil flow, it's capped off now. I ran ge= ar >>> 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 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 >>> acted 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 exerc= ise >>> caution when clicking links or opening attachments from external source= s. >>> > >>> > >>> > 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. Connecti= ng >>> 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 >>> >> >> >> --00000000000011297405886373d1 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
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 bear= ing.

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,
= =C2=A0 So you are trying using self contained lube with no pressure feed fr= om 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...

Kel= ly Troyer=C2=A0

On Tue, May 7, 2019 at 10:15 PM Matt Boiteau mattboiteau@gmail.com <flyrotary@lancairo= nline.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 Boiteau

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

If the original return line w= as not enlarged, the "vent" line simply acted as an additional re= turn line and my gearboxes operated completely filled with oil.

Steve Boese

> On May 7, 2019, at 9:41 AM, Jeff Whaley jwhaley@datac= ast.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: h= ttp://mail.lancaironline.net:81/lists/flyrotary/List.html

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


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