X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from qmta09.emeryville.ca.mail.comcast.net ([76.96.30.96] verified) by logan.com (CommuniGate Pro SMTP 5.4c2) with ESMTP id 4923031 for flyrotary@lancaironline.net; Sat, 26 Mar 2011 00:29:32 -0400 Received-SPF: error receiver=logan.com; client-ip=76.96.30.96; envelope-from=gregw@onestopdesign.biz Received: from omta08.emeryville.ca.mail.comcast.net ([76.96.30.12]) by qmta09.emeryville.ca.mail.comcast.net with comcast id PgT11g0050FhH24A9gUwTG; Sat, 26 Mar 2011 04:28:56 +0000 Received: from gregiv ([24.6.73.102]) by omta08.emeryville.ca.mail.comcast.net with comcast id PgUv1g00J2CQjog8UgUvqi; Sat, 26 Mar 2011 04:28:56 +0000 Message-ID: <1FDEF8CA0E3F46A891B45E96A34CA029@yosemite.onestopdesign.biz> From: "Greg Ward" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Fw: [FlyRotary] Re: intersting video Date: Fri, 25 Mar 2011 21:36:49 -0700 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5994 Hey Tom: Around 450 HP at take-off. Tracy says I am on my own at that HP, so we will see. Greg ----- Original Message ----- From: "Thomas Giddings" To: "Rotary motors in aircraft" Sent: Friday, March 25, 2011 8:15 PM Subject: [FlyRotary] Re: Fw: [FlyRotary] Re: intersting video Greg: Thanks the for pics of your project. How much power do you estimate making with that turbo set up... Tom On Mar 25, 2011, at 2:38 PM, Greg Ward wrote: > First 2 photos > > Subject: Re: [FlyRotary] Re: intersting video > > > Hey Tom; > Couple more shots of a very long process. As you can see, we got the > Grifin > radiator mounted behind the oil cooler, with separate cowl flaps. The one > shot with the blue plastic is the part of the opening we calculated would > be > open all the time, with the main flap adjustable for hot taxi days. The > oil > cooler we can shut off entirely, for those cold high altitude days. The > one > weird shot was shot upside down, trying to get an idea what it would look > like when we were done.....(:-) > > Greg Ward > Lancair Legacy N178RG, Still in progress > > > > > ----- Original Message ----- From: "Thomas Giddings" > > To: "Rotary motors in aircraft" > Sent: Friday, March 25, 2011 4:54 AM > Subject: [FlyRotary] Re: intersting video > > > Greg: I also thought about the P51 style scoop. I do think it is a great > idea. I have a landing gear that retracts into the fuselage and there > really > is not much room for a belly scoop. Could you post some Pics of how you > did > this. How Big is the Radiator and scoop and where did you place the oil > cooler. By the way if any of you are at Sun N Fun next week . Please stop > by > and say Hi. I will be in Building A booth 67 all week. I plan on getting > out > and looking at some flying examples if possible. and maybe see some of > you > folks then. > > Tom Giddings > > On Mar 25, 2011, at 12:43 AM, Greg Ward wrote: > >> Hey Tom; >> We looked at this scenario when we were laying out our Legacy, and >> determined that it was packing too much into a cowling that already had a >> large intercooler, and a turbo that was guaranteed to be radiating about >> 1400 to 1900 degrees of heat. So, the question was, where to put a >> radiator, oil cooler, etc. outside of the cowling? We settled on a P-51 >> scoop for both, and built it exactly like the original, hoping for a >> little thrust return. Difference was, we kept the radiator out of the >> fuselage, because we didn't want a leak in the cockpit at 20+K feet, with >> all that entails. We are also looking at installing a hot water heating >> system, with valves both in and out for the very same reasons. So, what >> we have left is, the engine, intercooler, turbo, and whatever goes on the >> firewall, with a lot of air going through, to hopefully keep everything >> happy. The flaps on the scoop should enable us to keep temps under >> control, a' la P-51, so we'll see. >> >> Greg Ward >> Lancair Legacy N178RG, Still in progress >> >> >> ----- Original Message ----- From: "Thomas Giddings" >> >> To: "Rotary motors in aircraft" >> Sent: Thursday, March 24, 2011 8:59 PM >> Subject: [FlyRotary] intersting video >> >> >> Here is a youtube engine test run of an LS1 V8. Watch it long enough to >> see how the dual radiators are plumbed. This system for engine cooling >> includes two radiators which appear to be in series. It seems to be >> going >> from the thermostat housing to the top of the first radiator then is >> taken >> out the bottom of the first one and crosses over to number two at the top >> inlet and back out the bottom into the pump and back through the block >> .They are both dual pass radiators . They feed this air from two outside >> the cowl scoops. Bud Warren claims this cools very well. In fact he >> claims >> it is the only way to cool the 300HP LS1 V8's . I wanted to original >> install a LS3 into my Questair, but could quite get it stuffed in there . >> http://www.youtube.com/watch?v=CUSbOAZRRtg. If this link does not work >> search youtube for Franks Bearhawk Test run. Incidently they claim they >> need 1256 Sq In of radiator surface to keep the V8 running at 190 in >> cruise and 200 max in the climb. Also if you to geared drives yahoo forum >> there is a very interesting read on the subject on cooling requirements >> for the LS1. >> >> Tom Giddings >> VP Avionics Sales >> MIDWEST AVIONICS >> 200 Hardy Roberts Dr >> PO Box 219 >> West Paducah,KY 42086 >> 877-904 9966 >> Cell; 727 858-1772 >> FAX:270 744 3466 >> tom@midwestaviation.net >> Online Store >> www.midwest-avionics.com >> >> > > > -- > 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