Return-Path: Received: from mtiwmhc13.worldnet.att.net ([204.127.131.117] verified) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 528243 for flyrotary@lancaironline.net; Thu, 11 Nov 2004 17:05:54 -0500 Received-SPF: none receiver=logan.com; client-ip=204.127.131.117; envelope-from=keltro@att.net Received: from 204.127.135.75 ([204.127.135.75]) by worldnet.att.net (mtiwmhc13) with SMTP id <2004111122052511300d8882e>; Thu, 11 Nov 2004 22:05:25 +0000 Received: from [209.247.222.109] by 204.127.135.75; Thu, 11 Nov 2004 22:05:24 +0000 From: keltro@att.net (Kelly Troyer) To: "Rotary motors in aircraft" Subject: [FlyRotary] Re: EWP Info- Lynn? Date: Thu, 11 Nov 2004 22:05:24 +0000 Message-Id: <111120042205.21645.4193E2240002ADD70000548D2160466648019D9B040A05@att.net> X-Mailer: AT&T Message Center Version 1 (Oct 18 2004) X-Authenticated-Sender: a2VsdHJvQGF0dC5uZXQ= MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="NextPart_Webmail_9m3u9jl4l_21645_1100210724_0" --NextPart_Webmail_9m3u9jl4l_21645_1100210724_0 Content-Type: text/plain Content-Transfer-Encoding: 8bit The Master has spoken guys........I thank I will stick to what I understand.......I worked for Westerm Electric/AT&T/Lucent also !! Kelly Troyer > The rule is that the pump must be mechanically driven. So, no electrics in > road racing. I think the electric would save about 3 HP at cruise. So long as > not much HP is being produced, the electric might work out OK. The drag racers > use them to get uniform block temps. You cannot actually cool to any great > extent a prostock big block at the 800 or 900HP level. How much heat can you > transfer in 9 seconds? I don't think they even carry the radiator in the car, > but > it has been ages since I saw one apart. You can put enough water through it to > keep from breaking a head bolt, or permanently deforming an important part. > NASCAR has the prize for continuos cooling in the 745 HP range. No stock pumps > and no electrics there. > Huge aluminum radiators. > > So long as the amount of heat to be transferred is small, the electric would > work OK in my mind. Even a rotary on the street would be fine. But at less > than 29% efficient, 70+% of the fuel leaves through the radiator, oil cooler and > exhaust pipe. > Not a problem for sub 100 HP street work. But the airplane needs close to > 100% duty cycle. Maximum continuos HP. You can save a few HP by slowing the pump > a bit, so you can get the HP loss under maybe 2? > > Just another electrical device, powered by compressed smoke, to leak down and > fail. > > When I was an inspector at Western Electric, the troops would now and then > manufacture a batch of DEDs. Better known as Darkness Emitting Diodes. Very > efficient these things were. Required no power at all to function. Unfortunately > their function was to lay still and absorb light. > > Lynn E. Hanover > > >> Homepage: http://www.flyrotary.com/ > >> Archive: http://lancaironline.net/lists/flyrotary/List.html --NextPart_Webmail_9m3u9jl4l_21645_1100210724_0 Content-Type: text/html Content-Transfer-Encoding: 8bit

The Master has spoken guys........I thank I will stick to what I understand.......I

worked for Westerm Electric/AT&T/Lucent also !!

Kelly Troyer

> The rule is that the pump must be mechanically driven. So, no electrics in
> road racing. I think the electric would save about 3 HP at cruise. So long as
> not much HP is being produced, the electric might work out OK. The drag racers
> use them to get uniform block temps. You cannot actually cool to any great
> extent a prostock big block at the 800 or 900HP level. How much heat can you
> transfer in 9 seconds? I don't think they even carry the radiator in the car,
> but
> it has been ages since I saw one apart. You can put enough water through it to
> keep from breaking a head bolt, or permanently deforming an important part.
> NASCAR has the prize for continuos cooling in the 745 HP range. No stock pumps
> and no electrics there.
> Huge aluminum radiators.
>
> So long as the amount of heat to be transferred is small, the electric would
> work OK in my mind. Even a rotary on the street would be fine. But at less
> than 29% efficient, 70+% of the fuel leaves through the radiator, oil cooler and
> exhaust pipe.
> Not a problem for sub 100 HP street work. But the airplane needs close to
> 100% duty cycle. Maximum continuos HP. You can save a few HP by slowing the pump
> a bit, so you can get the HP loss under maybe 2?
>
> Just another electrical device, powered by compressed smoke, to leak down and
> fail.
>
> When I was an inspector at Western Electric, the troops would now and then
> manufacture a batch of DEDs. Better known as Darkness Emitting Diodes. Very
> efficient these things were. Required no power at all to function. Unfortunately
> their function was to lay still and absorb light.
>
> Lynn E. Hanover
>
> >> Homepage: http://www.flyrotary.com/
> >> Archive: http://lancaironline.net/lists/flyrotary/List.html

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