X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.2 cv=aM2ykv1m c=1 sm=1 tr=0 a=uqRH/9Gs/H0CYqGpHRZGvA==:117 a=x7bEGLp0ZPQA:10 a=xXDCcK6TKBsA:10 a=KeKAF7QvOSUA:10 a=Ia-xEzejAAAA:8 a=d75U4UuIAAAA:20 a=fPU9j5DiAAAA:20 a=y4ukpRfYAAAA:20 a=1mAnGLmT6BwJ_4mGQ9QA:9 a=QEXdDO2ut3YA:10 a=HPIAOejwdAwA:10 a=M_Y63lvlAAAA:20 a=xA0dC3KjHVFIPQE1JWgA:9 a=45IXgyOSn-jERRtj:21 a=Urk15JJjZg1Xo0ryW_k8:22 From: "Todd Bartrim" Received: from mail-wr0-f175.google.com ([209.85.128.175] verified) by logan.com (CommuniGate Pro SMTP 6.2c3) with ESMTPS id 10034302 for flyrotary@lancaironline.net; Tue, 22 Aug 2017 01:17:55 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.128.175; envelope-from=bartrim@gmail.com Received: by mail-wr0-f175.google.com with SMTP id k46so40365134wre.2 for ; Mon, 21 Aug 2017 22:17:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=qYT/9ozMrnIhkBRXzHgst3LvKxCK8fG1lici0bZp0Eg=; b=Oy+oXrV5UH56zzkfhHHR2YUZQ4iWy2Okv73ppol/ZxLpDzCpYwbs+gssH6qE5ImZcw zmh/AIoWdxOligEFwIxL4dfKnXOeT5W1SV4WA0q/RAeV7HB9HB6XC76tqVXPFlN4RqCd KyL1r2OHOQHJUFP6iYbwMkvnkMKg9IFSGZLBB746/dhFH8CZqUilb7JGIdjxccK31GvX 4HasilfTzts1/2KJSArBcxn1+3UW/7QqDHwsk1wYI4pcmJDiRnHLMdPZbDTyRyeC0boB yTNHTFg/OGA1nECTOh7GSstSd7xANZQl/uquH+A8TqYQqqqktxZNqrv9ry2fR5cWzCKR 6blw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=qYT/9ozMrnIhkBRXzHgst3LvKxCK8fG1lici0bZp0Eg=; b=QOh5c0RR2KiFJKaYnbB7TeAAA7urjTMv/96l5qoMLuRZDfzjZMqeldTBGCGA/OJssz UUKUgiMWNSf+9pjA40OWpWgxuhsipZ2csBJjY0OxnogynNHzSx2avQUXBs0R+9Ug2eMd ifKesV9PzmTf5yXqIGvpUsjQ3ShZs/RFUmXbTBQR3VsHJJNUgZvxfTi+tj1SZQRSa4fD GDSUPE7HgQa3M79/TH95dPlyG8sSKfhHMbJnajZ4YINNLLDvFW+ocj1PSgBmf3I8VGfD pHrDtSNqv1GpufCj+5BaeodaKTTY8LA/oXVxp/O/FDeC9BUl7eGSfJDwh8hH3joAgHkM tbAg== X-Gm-Message-State: AHYfb5jC7IeWPnraG1VREcWumLt3SYZqW7g2YqZO0ocY0mtr6R4cPP2l VEgFnWPT8wZh+YcrDHHMjCn862s5SQ== X-Received: by 10.80.216.75 with SMTP id v11mr13766844edj.234.1503379059168; Mon, 21 Aug 2017 22:17:39 -0700 (PDT) MIME-Version: 1.0 Received: by 10.80.169.134 with HTTP; Mon, 21 Aug 2017 22:17:38 -0700 (PDT) In-Reply-To: References: Date: Mon, 21 Aug 2017 22:17:38 -0700 Message-ID: Subject: Re: [FlyRotary] Re: taxi testing at home video To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary="089e082214b0c8d8d6055750b662" --089e082214b0c8d8d6055750b662 Content-Type: text/plain; charset="UTF-8" Thanks Bobby; Did some minor tuning today and it's running pretty great now. In that video I had very little air in the main tires to give me some drag, but it was a bit difficult to have a smooth taxi so I filled them and now I can't hold it at all so I'll have to tie it to the truck to do some more high power testing. But it sure feels like it wants to go! Todd Bartrim On Mon, Aug 21, 2017 at 1:26 PM, Bobby J. Hughes < flyrotary@lancaironline.net> wrote: > Good looking airplane Todd. Sounds good for not being tuned. > > Bobby > > Sent from my iPhone > > On Aug 21, 2017, at 2:24 PM, Todd Bartrim > wrote: > > I made a video yesterday of a little constricted taxi testing in my > driveway. I thought I'd share for fun and maybe a little inspiration for > those that are still building. > The EC2 has been reset to original programming (from Tracy's RV4 Otter, > I believe) with no tuning whatsoever, so this is how it started and ran > under those settings. It's pretty rich so didn't idle well so that's why > I'm running a higher rpm at the start. The only adjustments made in this > video is with the mixture control. > Towards the end of the video the idle is pretty rough until I got it > smoothed out by leaning the mixture. I'm guessing the knocking that is > heard during this rough running is from the PSRU not being happy with the > torque reversals. This noise is not really all that noticeable from inside > the cockpit but from the camera it is quite obvious and does not sound > healthy at all. > Knowing this, I will get this tuned today, so as to avoid any further > running in this condition so to eliminate this stress on the psru. > > https://goo.gl/photos/r4T5DaMX11FbBd6g8 > > Comments welcome! > > Todd Bartrim > > Ps. Forest fire smoke is quite heavy here today but on the days the > north wind clears it away, I have the Lockheed Electra waterbombers flying > directly over my house when taking off heavily loaded. There are currently > 4 of them based here and depending on where they are going and how long the > turn-around time is, there is one as often as every 5-10 minutes. While > this increased activity is preventing me from moving my plane up to the > airport where I have more room to taxi test, it has also provided me with > some entertainment. When loaded heavy, those 4 big props beat the air > pretty loudly. > A couple of pics here. The fire retardant stains are quite visible on the > belly. > https://goo.gl/photos/6QP4PYr4sXXkTh6S7 > https://goo.gl/photos/bcDMY3Kcsc1yZzuc6 > > --089e082214b0c8d8d6055750b662 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Thanks Bobby;
=C2=A0 Did some minor tuning today and i= t's running pretty great now. In that video I had very little air in th= e main tires to give me some drag, but it was a bit difficult to have a smo= oth taxi so I filled them and now I can't hold it at all so I'll ha= ve to tie it to the truck to do some more high power testing. But it sure f= eels like it wants to go!

Todd Bartrim

On Mon, Aug 21, 2017 at 1:26 PM, Bobby J. Hu= ghes <flyrotary@lancaironline.net> wrote:
Good looking airplane Todd= . Sounds good for not being tuned.=C2=A0

Bobby=C2=A0

Sent from my iPhone

On Aug 21, 2017, at 2:24 PM, Todd Bartrim <flyrotary@lancaironline.net&= gt; wrote:

I made a video yesterday of a little constricted taxi testing in my drive= way. I thought I'd share for fun and maybe a little inspiration for tho= se that are still building.=C2=A0
=C2=A0 The EC2 has been reset t= o original programming (from Tracy's RV4 Otter, I believe) with no tuni= ng whatsoever, so this is how it started and ran under those settings. It&#= 39;s pretty rich so didn't idle well so that's why I'm running = a higher rpm at the start. The only adjustments made in this video is with = the mixture control.=C2=A0
=C2=A0 Towards the end of the video th= e idle is pretty rough until I got it smoothed out by leaning the mixture. = I'm guessing the knocking that is heard during this rough running is fr= om the PSRU not being happy with the torque reversals. This noise is not re= ally all that noticeable from inside the cockpit but from the camera it is = quite obvious and does not sound healthy at all.=C2=A0
=C2=A0 =C2= =A0Knowing this, I will get this tuned today, so as to avoid any further ru= nning in this condition so to eliminate this stress on the psru.


Comments welcome!

Todd Bartrim

Ps. =C2=A0 Forest fire smoke is quite heavy here to= day but on the days the north wind clears it away, I have the Lockheed Elec= tra waterbombers flying directly over my house when taking off heavily load= ed. There are currently 4 of them based here and depending on where they ar= e going and how long the turn-around time is, there is one as often as ever= y 5-10 minutes. While this increased activity is preventing me from moving = my plane up to the airport where I have more room to taxi test, it has also= provided me with some entertainment. When loaded heavy, those 4 big props = beat the air pretty loudly.=C2=A0
A couple of pics here. The fire= retardant stains are quite visible on the belly.

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