X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from outbound-b1.mx-route.com ([208.123.79.45] verified) by logan.com (CommuniGate Pro SMTP 5.4c2) with ESMTP id 4923001 for flyrotary@lancaironline.net; Fri, 25 Mar 2011 23:15:42 -0400 Received-SPF: none receiver=logan.com; client-ip=208.123.79.45; envelope-from=tom@midwestaviation.net Received: from fl-184-0-224-156.dhcp.centurylinkservices.net (HELO [192.168.1.64]) ([184.0.224.156]) by smtp.mxtoolbox.com with ESMTP/TLS/AES128-SHA; 25 Mar 2011 22:15:05 -0500 Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Apple Message framework v1082) Subject: Re: [FlyRotary] Fw: [FlyRotary] Re: intersting video From: Thomas Giddings In-Reply-To: Date: Fri, 25 Mar 2011 23:15:04 -0400 Content-Transfer-Encoding: quoted-printable Message-Id: <0288ED5E-1EAE-4A10-9C4B-46DA2A49EB37@midwestaviation.net> References: To: "Rotary motors in aircraft" X-Mailer: Apple Mail (2.1082) 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 >=20 > Subject: Re: [FlyRotary] Re: intersting video >=20 >=20 > 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.....(:-) >=20 > Greg Ward > Lancair Legacy N178RG, Still in progress >=20 >=20 >=20 >=20 > ----- Original Message ----- From: "Thomas Giddings" = > To: "Rotary motors in aircraft" > Sent: Friday, March 25, 2011 4:54 AM > Subject: [FlyRotary] Re: intersting video >=20 >=20 > 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. >=20 > Tom Giddings >=20 > On Mar 25, 2011, at 12:43 AM, Greg Ward wrote: >=20 >> 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. >>=20 >> Greg Ward >> Lancair Legacy N178RG, Still in progress >>=20 >>=20 >> ----- Original Message ----- From: "Thomas Giddings" >> >> To: "Rotary motors in aircraft" >> Sent: Thursday, March 24, 2011 8:59 PM >> Subject: [FlyRotary] intersting video >>=20 >>=20 >> 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=3DCUSbOAZRRtg. 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. >>=20 >> 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 >>=20 >> >=20 >=20 > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: > http://mail.lancaironline.net:81/lists/flyrotary/List.html >