|
|
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>
|
|