X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail-qy0-f175.google.com ([209.85.221.175] verified) by logan.com (CommuniGate Pro SMTP 5.2.16) with ESMTP id 3842044 for flyrotary@lancaironline.net; Tue, 08 Sep 2009 22:30:46 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.221.175; envelope-from=rwstracy@gmail.com Received: by qyk7 with SMTP id 7so13182qyk.7 for ; Tue, 08 Sep 2009 19:30:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:sender:received:in-reply-to :references:date:x-google-sender-auth:message-id:subject:from:to :content-type; bh=1e2ytSvFqiA7xxbS8B8ZVwOKqvZLKECk/0oTNEK/TK8=; b=QoYlEWapteHMBzuSJQ8JXqcDnDq14VDYjX7vGsmsl5Zng2WShe2eZchSN/mY4P3Bs3 RSWzPsiHGbea9MghA47C3KsBxXYVCGHp/aTzLxqid3O3bQJxToTMf1HcUJzViBEDiR4L kEz0IMBlelnLD19VWxq8JYVU+QcBcyq2qnBL8= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:content-type; b=CxvxZLvguFm25oEF4fsd67FmigD3jMEp7mPvckf04mJ9sJBFbAsCIpnm0Yx4JtnjZk 0vZYGj7l/4Ct/4V3iHb40fTteJcdpV7cZ/DxmqEymLe/lG91mBm1i1xyZoGR0kdnG7iy Lf/d+FrTlHYDWWn8y6F7Rwn7KYQxRwE181z3g= MIME-Version: 1.0 Sender: rwstracy@gmail.com Received: by 10.224.43.139 with SMTP id w11mr10619598qae.28.1252463410647; Tue, 08 Sep 2009 19:30:10 -0700 (PDT) In-Reply-To: References: Date: Tue, 8 Sep 2009 22:30:10 -0400 X-Google-Sender-Auth: cf96da9738e08981 Message-ID: <1b4b137c0909081930t7d36423dhc06132c283f57112@mail.gmail.com> Subject: Re: [FlyRotary] Re: At long last, Second Flight From: Tracy Crook To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary=00c09f9b0763af961704731bdc9e --00c09f9b0763af961704731bdc9e Content-Type: text/plain; charset=ISO-8859-1 SURELY by November it will get there : ) Assuming my EFIS1 is back from repairs by then : -( Maybe I'll just mount my Garmin 496 in that big panel hole & use the airdata on the EM2. I KNEW there was a good reason to have that! Tracy On Tue, Sep 8, 2009 at 10:06 PM, Charlie England wrote: > So, is that software Hobbs going to 'accumulate' 40 hrs before SERFI > (Evergreen)? How about by Nov 7, for the 3rd annual Slobovia Outernational > Pumpkin Drop? > > Charlie > BTW, Congrats! (finally....) :-) > > Tracy Crook wrote: > >> Thanks for the reports on this guys. >> Yes, very well described on the Static & Dynamic friction Steve. I know >> exactly what you mean from the many times I've pulled the 13B through both >> hot & cold. The reason I brought it up on the 20B is the more closely >> spaced compression events on it (like Mark pointed out) make it harder to >> feel what is going on as well as the 50% higher friction you would expect >> from more parts in contact. When the friction goes up when hot, it is >> harder to sense the compression cycles at all so it feels very different >> than the 13B with more 'space' between compression cycles. But after >> discussing it and thinking about it I'm fairly certain it is normal. >> Another clue is that if it were abnormal friction it would have either >> seized up or freed up by now. >> >> Tracy >> On Tue, Sep 8, 2009 at 6:46 PM, sboese > sboese@uwyo.edu>> wrote: >> >> Congratulations Tracy on the two safe flights so far. I think we >> all have a >> vested interested in your keeping the flights this way. >> >> My 13B is harder to start turning and keep turning with the prop >> when it is >> warm compared to cold. This is felt when compression isn't adding >> to the >> load. The additional load due to compression seems more with the cold >> engine compared to when it is hot. In other words, the >> coefficients of >> static and dynamic friction increase when my engine is hot while the >> compression load seems to decrease. My experience is limited to >> just my one >> engine. >> >> 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 > --00c09f9b0763af961704731bdc9e Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable SURELY by November it will get there : )=A0=A0 Assuming my EFIS1 is back fr= om repairs by then
=A0=A0 : -(

Maybe I'll just mount my Garmi= n 496 in that big panel hole & use the airdata on the EM2.=A0 I KNEW th= ere was a good reason to have that!

Tracy

On Tue, Sep 8, 2009 at 10:06 PM= , Charlie England <ceengland@bellsouth.net> wrote:
So, is that software Hobbs going to 'accumulate' 40 hrs before SERF= I (Evergreen)? How about by Nov 7, for the 3rd annual Slobovia Outernationa= l Pumpkin Drop?

Charlie
BTW, Congrats! (finally....) =A0:-)

Tracy Crook wrote:
Thanks for the reports on this guys.
=A0Yes, =A0very well described on the Static & Dynamic friction Steve.= =A0I know exactly what you mean from the many times I've pulled the 13= B through both hot & cold. =A0 The reason I brought it up on the 20B is= the more closely spaced compression events on it (like Mark pointed out) m= ake it harder to feel what is going on as well as the 50% higher friction y= ou would expect from more parts in contact. =A0 When the friction goes up w= hen hot, it is harder to sense the compression cycles at all so it feels ve= ry different than the 13B with more 'space' between compression cyc= les. =A0 But after discussing it and thinking about it I'm fairly certa= in it is normal. =A0Another clue is that if it were abnormal friction it wo= uld have either seized up or freed up by now.

Tracy
On Tue, Sep 8, 2009 at 6:46 PM, sboese <sboese@uwyo.edu <mailto:sboese@uwyo.edu>> wrote:

=A0 =A0Congratulations Tracy on the two safe flights so far. =A0I think we=
=A0 =A0all have a
=A0 =A0vested interested in your keeping the flights this way.

=A0 =A0My 13B is harder to start turning and keep turning with the prop =A0 =A0when it is
=A0 =A0warm compared to cold. =A0This is felt when compression isn't a= dding
=A0 =A0to the
=A0 =A0load. =A0The additional load due to compression seems more with the= cold
=A0 =A0engine compared to when it is hot. =A0In other words, the
=A0 =A0coefficients of
=A0 =A0static and dynamic friction increase when my engine is hot while th= e
=A0 =A0compression load seems to decrease. =A0My experience is limited to<= br> =A0 =A0just my one
=A0 =A0engine.

=A0 =A0Steve Boese



=A0 =A0--
=A0 =A0Homepage: =A0http://www.flyrotary.com/
=A0 =A0Archive and UnSub: =A0 =A0 =A0http://mail.lancaironli= ne.net:81/lists/flyrotary/List.html




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

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