X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail-bk0-f52.google.com ([209.85.214.52] verified) by logan.com (CommuniGate Pro SMTP 5.4.5) with ESMTPS id 5560903 for flyrotary@lancaironline.net; Fri, 25 May 2012 22:25:04 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.214.52; envelope-from=msteitle@gmail.com Received: by bkcjc3 with SMTP id jc3so1153852bkc.25 for ; Fri, 25 May 2012 19:24:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=KSf/3Bvunqhzzzpb4nGVzU7SsdHLEcoQCCO9ppbwK4g=; b=LjLGAdixVqWDT0R5qS0vBsCs0Tc8Eqmgm8Gf5syCYeuSkgedjNM6VG30MDVCh8o5OQ Q0N37uBBUHxx8B8t/0WAPNPnsiE3OtEUFLUp6M5fwJZqYk2tDtFcgE2swOPuEeilZM66 V402XNIa92y6z7jxo/aWeuUY5Oh44bKOufAsNU36NsCQ33s10s9tDATPT1nvpNMrJTdL TFm8dnobG7vdBrFm4F0P7J04D5A4Y9e9P/qTrIfxuNP8osztFQMEu+RcxpbvGDABdZnY x7OoK5PXC05rG+VsAk7Cm44ZzIsVEfJVMKcg8oZ8n6s+5ujH+l4tPcfs9+xxmhMINEE/ E/Jg== MIME-Version: 1.0 Received: by 10.205.133.197 with SMTP id hz5mr395171bkc.126.1337999068650; Fri, 25 May 2012 19:24:28 -0700 (PDT) Received: by 10.205.23.142 with HTTP; Fri, 25 May 2012 19:24:28 -0700 (PDT) In-Reply-To: References: Date: Fri, 25 May 2012 21:24:28 -0500 Message-ID: Subject: Re: [FlyRotary] Re: High speed taxi part 2 w/nose lift From: Mark Steitle To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary=000e0cdfd3ea325da804c0e72f25 --000e0cdfd3ea325da804c0e72f25 Content-Type: text/plain; charset=ISO-8859-1 Just what are you telling us Ernest? LOL On Fri, May 25, 2012 at 7:56 PM, Ernest Christley wrote: > You've got me excited, Chris. I'm right behind you. > > Chris Barber wrote: > > >After getting my DAR inspection and Repairman Certificate a few weeks > ago, I did two high speed taxi test with disappointing results. The engine > temps on my two rotor 13b rotary were extremely high. Well into the 250 > degree range after the long taxi (9000 foot runway) and the quick jaunt > down 17R. Obviously unacceptable. I did seem to avoid engine damage > apparently by grace and the short duration. > > > >Over the last few weeks I have focused on cooling mods. This time I > followed the advice from Paul Lamar's book "How to Cool Your Wankle" more > honestly and put the oil and coolant heat exchangers under the engine and a > bit into the airstream for solid ram air. > > > >Today I repeated the long taxi for high speed taxi test 3. Outside temp > was 96 degrees. Temps down Hotel stayed around 165 degrees to Alpha. I had > to wait for a Grauman to take off. Ran the engine up a bit to verify > mixture. By the time I called the tower to take the active coolant temps > had gotten to about 185. > > > >I took a breath and smoothly added power and started my run down the > center line. Speed came in as I brought power to just over 5000 RPM. I > reached 60 knots really quickly. (posted rotation speed range). I retarded > the power a bit to maintain 60 ish knots took a mental breath....and raised > the nose. The nose actually lifted Holy crap....that is almost flight. I > brought back power and the nose settled (uh, by settled, I mean bounced > ;-)). > > > >Ok. While really cool to me, the coolest part was when I noticed that > when I checked the coolant temp just as the nose was down, the coolant temp > had DROPPED to the high 170's. A drop. Imagine that!!! > > > >I pulled off at Charlie and taxied back to my hangar with the temps > around. 185. They just hit 190 before I shut down. Again, it is in the mid > 90's today. > > > >I don't know about y'all, but this has been a pretty good day off so far. > > > >Thanks for your support. > > > >Chris Barber > >Houston KEFD > >Velocity SE/FG > >Rotary 13b turbo w/Mistral Intake > >RWS PSRU/EC2/EM2 > >Dynon SkyView SV-7 > > > >Sent from my iPhone 4 > >-- > >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 > --000e0cdfd3ea325da804c0e72f25 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Just what are you telling us Ernest? =A0LOL

On Fri, May 25, 2012 at 7:56 PM, Ernest Christley <= echristley@att.net<= /a>> wrote:
You've got me excited, Chris. =A0I'm= right behind you.

Chris Barber <cbarber@texas= attorney.net> wrote:

>After getting my DAR inspection and Repairman Certificate a few weeks a= go, I did two high speed taxi test with disappointing results. The engine t= emps on my two rotor 13b rotary were extremely high. Well into the 250 degr= ee range after the long taxi (9000 foot runway) and the quick jaunt down 17= R. Obviously unacceptable. I did seem to avoid engine damage apparently by = grace and the short duration.
>
>Over the last few weeks I have focused on cooling mods. This time I fol= lowed the advice from Paul Lamar's book "How to Cool Your Wankle&q= uot; more honestly and put the oil and coolant heat exchangers under the en= gine and a bit into the airstream for solid ram air.
>
>Today I repeated the long taxi for high speed taxi test 3. Outside temp= was 96 degrees. Temps down Hotel stayed around 165 degrees to Alpha. I had= to wait for a Grauman to take off. Ran the engine up a bit to verify mixtu= re. By the time I called the tower to take the active coolant temps had got= ten to about 185.
>
>I took a breath and smoothly added power and started my run down the ce= nter line. Speed came in as I brought power to just over 5000 RPM. I reache= d 60 knots really =A0quickly. (posted rotation speed range). I retarded the= power a bit to maintain 60 ish knots took a mental breath....and raised th= e nose. The nose actually lifted =A0Holy crap....that is almost flight. I b= rought back power and the nose settled (uh, by settled, I mean bounced ;-))= .
>
>Ok. While really cool to me, the coolest part was when I noticed that w= hen I checked the coolant temp just as the nose was down, the coolant temp = had DROPPED to the high 170's. A drop. Imagine that!!!
>
>I pulled off at Charlie and taxied back to my hangar with the temps aro= und. 185. They just hit 190 before I shut down. Again, it is in the mid 90&= #39;s today.
>
>I don't know about y'all, but this has been a pretty good day o= ff so far.
>
>Thanks for your support.
>
>Chris Barber
>Houston KEFD
>Velocity SE/FG
>Rotary 13b turbo w/Mistral Intake
>RWS PSRU/EC2/EM2
>Dynon SkyView SV-7
>
>Sent from my iPhone 4
>--
>Homepage: =A0ht= tp://www.flyrotary.com/
>Archive and UnSub: =A0 http://mail.lancaironline.net:81/l= ists/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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