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 5562103 for flyrotary@lancaironline.net; Sat, 26 May 2012 18:45:22 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.214.52; envelope-from=msteitle@gmail.com Received: by bkcjc3 with SMTP id jc3so1490129bkc.25 for ; Sat, 26 May 2012 15:44:47 -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=uXahx+R+keAEhlBA9OuVHi9jte3mp+IYaMB9kiE8k8k=; b=0u1FJpicUw+o1zJ3H9zv0kluhtel2va7Icp6n+gMAqZNxiRpbl++Ij+BIlxHg7dmkJ 841m/QejBP7eYTIPoXFYkJ+L3dwnr3Gs81Nzr4de2SpcYTgg1IzeH4f91+CfDSapyc90 O1AD6eXrW0k6ZfVKlgYjnxs1wOQe8wvJg0F5BZAKZCR8oksf21esT3OR+S6z60JXtwKN 70poP7NuE5Jq40AuzpeBNilZw5H44D1e0B9sJ8J/i+BQL0A6/ruOSjWxn6F2qanEy/RG 75/TByxsKm44fB/Qqm0Zu0kf/SGe4wVl+pmWo2rWqTsfwkMCON9hUp3PmKNG3+uhKtPZ cQWg== MIME-Version: 1.0 Received: by 10.204.151.81 with SMTP id b17mr1425306bkw.52.1338072287377; Sat, 26 May 2012 15:44:47 -0700 (PDT) Received: by 10.205.23.142 with HTTP; Sat, 26 May 2012 15:44:47 -0700 (PDT) In-Reply-To: References: Date: Sat, 26 May 2012 17:44:47 -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=0015175cabae5f790304c0f83ba3 --0015175cabae5f790304c0f83ba3 Content-Type: text/plain; charset=ISO-8859-1 Let us know how it goes. Good luck! On Sat, May 26, 2012 at 5:16 PM, Ernest Christley wrote: > WHAT I'M SAYING IS: > > I'm about to start taxi testing. That is all. > > > Mark Steitle wrote: > > >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 > >> > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: > http://mail.lancaironline.net:81/lists/flyrotary/List.html > --0015175cabae5f790304c0f83ba3 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Let us know how it goes. =A0Good luck!


On Sat, May 26, 2012 at 5:16 PM, Ernest Christley <= echristley@att.net<= /a>> wrote:
WHAT I'M SAYING IS:

I'm about to start taxi testing. =A0That is all.


Mark Steitle <msteitle@gmail.com> wrote:

>Just what are you telling us Ernest? =A0LOL
>
>On Fri, May 25, 2012 at 7:56 PM, Ernest Christley <echristley@att.net>wrote:
>
>> You've got me excited, Chris. =A0I'm right behind you.
>>
>> Chris Barber <cbar= ber@texasattorney.net> wrote:
>>
>> >After getting my DAR inspection and Repairman Certificate a fe= w weeks
>> ago, I did two high speed taxi test with disappointing results. Th= e engine
>> temps on my two rotor 13b rotary were extremely high. Well into th= e 250
>> degree range after the long taxi (9000 foot runway) and the quick = jaunt
>> down 17R. Obviously unacceptable. I did seem to avoid engine damag= e
>> apparently by grace and the short duration.
>> >
>> >Over the last few weeks I have focused on cooling mods. This t= ime I
>> followed the advice from Paul Lamar's book "How to Cool Y= our Wankle" more
>> honestly and put the oil and coolant heat exchangers under the eng= ine and a
>> bit into the airstream for solid ram air.
>> >
>> >Today I repeated the long taxi for high speed taxi test 3. Out= side temp
>> was 96 degrees. Temps down Hotel stayed around 165 degrees to Alph= a. I had
>> to wait for a Grauman to take off. Ran the engine up a bit to veri= fy
>> 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 do= wn the
>> center line. Speed came in as I brought power to just over 5000 RP= M. I
>> reached 60 knots really =A0quickly. (posted rotation speed range).= I retarded
>> the power a bit to maintain 60 ish knots took a mental breath....a= nd raised
>> the nose. The nose actually lifted =A0Holy crap....that is almost = flight. I
>> brought back power and the nose settled (uh, by settled, I mean bo= unced
>> ;-)).
>> >
>> >Ok. While really cool to me, the coolest part was when I notic= ed that
>> when I checked the coolant temp just as the nose was down, the coo= lant 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 g= ood 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: =A0http://www.flyrotary.com/
>> >Archive and UnSub:
>> http://mail.lancaironline.net:81/lists/flyrotary/Lis= t.html
>>
>> --
>> Homepage: =A0http://www.flyrotary.com/
>> Archive and UnSub:
>> http://mail.lancaironline.net:81/lists/flyrotary/Lis= t.html
>>

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

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