Return-Path: Received: from fed1mtao05.cox.net ([68.6.19.126] verified) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 2978973 for flyrotary@lancaironline.net; Fri, 06 Feb 2004 11:49:45 -0500 Received: from BigAl ([68.107.116.221]) by fed1mtao05.cox.net (InterMail vM.5.01.06.05 201-253-122-130-105-20030824) with ESMTP id <20040206164943.WMVO9536.fed1mtao05.cox.net@BigAl> for ; Fri, 6 Feb 2004 11:49:43 -0500 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: water pump with 2 outlets Date: Fri, 6 Feb 2004 08:49:46 -0800 Message-ID: <001801c3ecd1$3a1c2970$6400a8c0@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0019_01C3EC8E.2BF8E970" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4024 Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_0019_01C3EC8E.2BF8E970 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Why would we expect that the two outlets from this pump would provide any more equal flow split than dividing the outlet from one pump outlet into two circuits? Either way the flow is going to split in proportion to the pressure drop in each of the two loops. Al Ken, let us know if you figure out which Toyota models use this pump. Barry Gardner Wheaton, IL ----- Original Message ----- From: To: "Rotary motors in aircraft" Sent: Thursday, February 05, 2004 8:06 PM Subject: [FlyRotary] water pump with 2 outlets > I keep looking at all the successful, flying rotary engine airplanes that are using evaporator cores and can't help but wonder if this is the hot setup. Just for everyones consideration, some Toyota's use a standalone water pump that has 2 outlet ports. These look to be about .7" in diameter but I have not measured the size. I can't help but consider using this pump mounted 'low' and using an adapter like the guys using EWP's are using. These 2 outlets from the water pump can be used to run 2 evaporators cores in parallel without fighting with the uneven flow that most other setups deal with. Advantages are: > 1. LOW mounted water pump (what is the flow rating of this pump?) > 2. parrallel flow to 2 evaporator cores > 3. more even coolant distribution to the cores > > Thanks, > Ken Powell > > > >> Homepage: http://www.flyrotary.com/ > >> Archive: http://lancaironline.net/lists/flyrotary/List.html >> Homepage: http://www.flyrotary.com/ >> Archive: http://lancaironline.net/lists/flyrotary/List.html ------=_NextPart_000_0019_01C3EC8E.2BF8E970 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

 

Why would we expect that the two outlets from this = pump would provide any more equal flow split than dividing the outlet from = one pump outlet into two circuits?  Either way the flow is going to split in = proportion to the pressure drop in each of the two loops.

 

Al

 <= /font>

Ken, let us know if you figure out which Toyota models use this = pump.

 

Barry Gardner

Wheaton, IL

----- Original Message -----

From: <kenpowell@comcast.net>

To: "Rotary motors in aircraft" = <flyrotary@lancaironline.net>

Sent: Thursday, February 05, 2004 8:06 PM

Subject: [FlyRotary] water pump with 2 outlets

 

 

> I keep looking at all the successful, flying rotary engine airplanes = that

are using evaporator cores and can't help but wonder if this is the = hot

setup.  Just for everyones consideration, some Toyota's use a = standalone

water pump that has 2 outlet ports.  These look to be about .7" in = diameter

but I have not measured the size.  I can't help but consider using this = pump

mounted 'low' and using an adapter like the guys using EWP's are = using.

These 2 outlets from the water pump can be used to run 2 evaporators = cores

in parallel without fighting with the uneven flow that most other = setups

deal with.  Advantages are:

> 1.  LOW mounted water pump (what is the flow rating of this = pump?)

> 2.  parrallel flow to 2 evaporator cores

> 3.  more even coolant distribution to the cores

>

> Thanks,

> Ken Powell

>

>

> >>  Homepage:  = http://www.flyrotary.com/

> >>  Archive:   = http://lancaironline.net/lists/flyrotary/List.html

 

 

 

>>  Homepage:  http://www.flyrotary.com/

>>  Archive:   = http://lancaironline.net/lists/flyrotary/List.html

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