Return-Path: <13brv3@bellsouth.net> Received: from imf22aec.mail.bellsouth.net ([205.152.59.70] verified) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 523179 for flyrotary@lancaironline.net; Mon, 08 Nov 2004 15:32:07 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.70; envelope-from=13brv3@bellsouth.net Received: from rd ([65.6.194.9]) by imf22aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20041108203131.LBMR2430.imf22aec.mail.bellsouth.net@rd> for ; Mon, 8 Nov 2004 15:31:31 -0500 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: EWP Info- Lynn? Date: Mon, 8 Nov 2004 14:31:47 -0600 Message-ID: <001801c4c5d1$f804d700$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0019_01C4C59F.AD6A6700" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_0019_01C4C59F.AD6A6700 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable As I've suggested before, I don't see saving power consumption as a = reason for considering an EWP, especially considering the losses in converting = mech energy to electrical and back again. =20 =20 I think the biggest chance to save power on cooling is if Mazda is = providing way more than is necessary at our cruise rpms. I have to suspect that's = the case, since Todd is running just fine with only 9.X gpm. =20 =20 Al (I swear I will not say another word about EWPs; that beheading thing = is just too scary)=20 =20 Ha. Don't worry, my wife would kill me if I stained the carpet :-) =20 =20 As for EWP's saving power, you'd think that the first people to jump on = that would be the racers. I know that these pumps are sold to drag racers, = but I can't say that I've heard of other types of racers using these pumps. =20 =20 Hey Lynn,=20 =20 -Are EWP's against the rules? -Has someone determined that they don't save any HP?=20 -Has someone determined that they won't cool the engine in racing conditions? =20 Cheers, Rusty (just can't have any fun on this list)=20 ------=_NextPart_000_0019_01C4C59F.AD6A6700 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
As = I’ve suggested=20 before, I don’t see saving power consumption as a reason for = considering an EWP,=20 especially considering the losses in converting mech energy to = electrical and=20 back again.   
 
I = think the=20 biggest chance to save power on cooling is if Mazda is = providing way=20 more than is necessary at our cruise rpms.  I have to suspect = that's the=20 case, since Todd is running just fine with only 9.X=20 gpm.  
 

Al (I swear I will not = say another=20 word about EWPs; that beheading thing is just too scary) 

 

Ha.  Don't=20 worry, my wife would kill me if I stained the carpet=20 :-)  

 

As for EWP's=20 saving power, you'd think that the first people to jump on that would be = the=20 racers.  I know that these pumps are sold to drag racers, but I = can't say=20 that I've heard of other types of racers using these pumps. =20

 

Hey Lynn,=20

 

-Are EWP's=20 against the rules?

-Has someone=20 determined that they don't save any = HP? 

-Has someone=20 determined that they won't cool the engine in racing=20 conditions?

 

Cheers,

Rusty (just can't=20 have any fun on this=20 list) 

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