flyrotary@lancaironline.net Mailing List Archive

Greg: Is your Turbo set up a GT4088 non bb unit ? 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

Midwest Aviation Avionics Logo.jpg

On Mar 26, 2011, at 12:36 AM, Greg Ward wrote: > 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" <tom@midwestaviation.net> > To: "Rotary motors in aircraft" <flyrotary@lancaironline.net> > 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" <tom@midwestaviation.net> >> To: "Rotary motors in aircraft" <flyrotary@lancaironline.net> >> 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" >>> <tom@midwestaviation.net> >>> To: "Rotary motors in aircraft" <flyrotary@lancaironline.net> >>> 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 >>> >>> <Image00010.jpg><P1010273.jpg><Mail Attachment.txt> >> >> >> -- >> Homepage: http://www.flyrotary.com/ >> Archive and UnSub: >> http://mail.lancaironline.net:81/lists/flyrotary/List.html >> <Image00018.jpg><Image00002.jpg><Mail Attachment.txt> > > > -- > 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