X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [64.129.170.194] (HELO VIRCOM1.fcdata.private) by logan.com (CommuniGate Pro SMTP 5.4.5) with ESMTP id 5540639 for flyrotary@lancaironline.net; Sun, 13 May 2012 13:34:41 -0400 Received-SPF: none receiver=logan.com; client-ip=64.129.170.194; envelope-from=cbarber@texasattorney.net Received: from FCD-MAIL05.FCDATA.PRIVATE (unverified [172.16.5.24]) by VIRCOM1.fcdata.private (Vircom SMTPRS 5.1.1024.13396) with ESMTP id for ; Sun, 13 May 2012 12:33:33 -0500 X-Modus-BlackList: 172.16.5.24=OK;cbarber@texasattorney.net=OK X-Modus-RBL: 172.16.5.24=Excluded X-Modus-Trusted: 172.16.5.24=NO X-Modus-Audit: FALSE;0;0;0 Received: from FCD-MAIL06.FCDATA.PRIVATE ([fe80::697f:d6aa:b87:78d8]) by FCD-MAIL05.FCDATA.PRIVATE ([fe80::809d:a06e:5913:452e%13]) with mapi id 14.01.0355.002; Sun, 13 May 2012 12:33:56 -0500 From: Chris Barber To: Rotary motors in aircraft CC: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: Twin Velocity Thread-Topic: [FlyRotary] Re: Twin Velocity Thread-Index: AQHNL+xcpcRcR6mDt0WNyWmKiy1AL5bH/VHe Date: Sun, 13 May 2012 17:34:39 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: Content-Type: multipart/alternative; boundary="_000_FB2F57B759EF4F0FAB4465DAEF11775Btexasattorneynet_" MIME-Version: 1.0 --_000_FB2F57B759EF4F0FAB4465DAEF11775Btexasattorneynet_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Not very well. I was using the factory NACA. I had hoped, unwisely that it = would push enough air through the heat exchangers to do the job. Alas, no j= oy. I wasn't surprised but I wanted to give it a shot. I even modified the = NACA's with some baffles but still no go. I am currently doing as I likely should have already done and placing the r= ad and oil cooler under the engine with a big ol' ram scoop. Depending on t= esting I will make the scoop smaller if warranted. I moved the a/c condenser and turbo intercooler to the front of the engine = (where the rad/oil cooler was) to be fed from the top NACA. Those items are= not as critical and I suspect the NACA's will handle their need. We shall see. Sent from my iPhone 4 On May 11, 2012, at 10:07 PM, "Bill Bradburry" > wrote: Chris, How does cooling air get to your heat exchangers? Do you have any pictures= of your install? B2 ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Beh= alf Of Chris Barber Sent: Saturday, May 05, 2012 11:04 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Twin Velocity I want to but I am having some serious cooling issues on high speed taxi, u= p to over 250 degrees for a few minutes (yikes). I tried something with mo= dified NACA's based on Velocity Inc reducing cooling issues when they chang= ed from armpit scoops to top NACA's, however, that is not working so I am g= oing to a more direct ram air with a P-51 scoop. I hope to start the conve= rsion later today. The process may have intimidated me years ago, but, hey= , the Gov'ment says I be a "Repairman" ;-) Chris ________________________________ From: Rotary motors in aircraft [flyrotary@lancaironline.net] on behalf of Bill Bradburry [bbradburry@bellsouth.ne= t] Sent: Saturday, May 05, 2012 9:56 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Twin Velocity Are you ready to take advantage of that transition training? When is the f= irst flight? :>) Bill B ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Beh= alf Of Chris Barber Sent: Saturday, May 05, 2012 10:06 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Twin Velocity It's a kewl plane. I got to see it when I was at the factory last month for= transition training. Chris Sent from my iPhone 4 On May 4, 2012, at 7:03 PM, "Kelly Troyer" > wrote: Group, This thing is just begging for two 13B or Renesis Rotary engines !!....= ......................<:) http://www.velocityaircraft.com/airplane-models-vtwin.html V-Twin Video - www.vimeo.com/39171839 -- Kelly Troyer Dyke Delta_"Eventually" 13B_RD1C_EC2_EM2 --_000_FB2F57B759EF4F0FAB4465DAEF11775Btexasattorneynet_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable
Not very well. I was using the factory NACA. I had hoped, unwisely tha= t it would push enough air through the heat exchangers to do the job. Alas,= no joy. I wasn't surprised but I wanted to give it a shot. I even modified= the NACA's with some baffles but still no go. 

I am currently doing as I likely should have already done and placing = the rad and oil cooler under the engine with a big ol' ram scoop. Depending= on testing I will make the scoop smaller if warranted. 

I moved the a/c condenser and turbo intercooler to the front of the en= gine (where the rad/oil cooler was) to be fed from the top NACA. Those item= s are not as critical and I suspect the NACA's will handle their need. = ;

We shall see. 

Sent from my iPhone 4

On May 11, 2012, at 10:07 PM, "Bill Bradburry" <bbradburry@bellsouth.net> wrote:

Chris,

 

How does cooling air get to your heat = exchangers?  Do you have any pictures of your install?

 

B2

 

From: Rotary motors in aircraft [mai= lto:flyrotary@lancaironline.net] On Behalf Of Chris Barber
Sent: Saturday, May 05, 2012= 11:04 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Twi= n Velocity

 

I want to but I am having some serious cool= ing issues on high speed taxi, up to over 250 degrees for a few minutes (yi= kes).  I tried something with modified NACA's based on Velocity Inc reducing cooling issues wh= en they changed from armpit scoops to top NACA's, however, t= hat is not working so I am going to a more direct ram air with a P-51 scoop= .  I hope to start the conversion later today.  The process may have intimidated me years ago, but, hey, the Gov'ment says I be a= "Repairman" ;-)

 

Chris

From: Rotary motors in aircraft [flyrotary@lancaironline.net= ] on behalf of Bill Bradburry [= bbradburry@bellsouth.net]
Sent: Saturday, May 05, 2012= 9:56 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Twi= n Velocity<= o:p>

Are you ready to take advantage of tha= t transition training?  When is the first flight?  :>)<= /font><= /font>

 =

Bill B

 =

= From: Rotary motors in aircraft [mai= lto:flyrotary@lancaironline.net] On Behalf Of Chris Barber
Sent: Saturday, May 05, 2012= 10:06 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Twi= n Velocity<= o:p>

 =

It's a kewl plane. I got= to see it when I was at the factory last month for transition training.&nb= sp;

 =

Chris

Sent from my iPhone 4


On May 4, 2012, at 7:03 PM, "Kelly Troyer" <keltro@gmail.com> wrote:

Group,=

 =

    This = thing is just begging for two 13B or Renesis Rotary engines !!.............= .............<:)

 =

 =

 =

V-Twin Video - www.vimeo.com/3= 9171839

--
Kelly Troyer
Dyke Delta_"Eventually"
13B_RD1C_EC2_EM2

--_000_FB2F57B759EF4F0FAB4465DAEF11775Btexasattorneynet_--