X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imo-m22.mx.aol.com ([64.12.137.3] verified) by logan.com (CommuniGate Pro SMTP 5.0c2) with ESMTP id 718936 for flyrotary@lancaironline.net; Mon, 12 Sep 2005 02:56:51 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.137.3; envelope-from=WRJJRS@aol.com Received: from WRJJRS@aol.com by imo-m22.mx.aol.com (mail_out_v38_r5.3.) id q.1f3.11c372f3 (4446) for ; Mon, 12 Sep 2005 02:56:00 -0400 (EDT) From: WRJJRS@aol.com Message-ID: <1f3.11c372f3.3056807f@aol.com> Date: Mon, 12 Sep 2005 02:55:59 EDT Subject: Re: [FlyRotary] Re: Optimal GPM water pump flow. To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1126508159" X-Mailer: 9.0 SE for Windows sub 5017 X-Spam-Flag: NO -------------------------------1126508159 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Working from a 1-1/2 yr old memory here but I believe he said 7500 pump RPM. Not sure on restriction I believe it had a radiator without thermostat. I believe that is the standard Powersport setup. Bill Jepson In a message dated 9/11/2005 8:26:53 AM Pacific Standard Time, dcarter@datarecall.net writes: Bill, did Steven Wienzurl mention at what pump rpm this 53gpm was recorded? & if it was in a "normal system with engine and radiator and thermostat or not"? ----- Original Message ----- From: _WRJJRS@aol.com_ (mailto:WRJJRS@aol.com) To: _Rotary motors in aircraft_ (mailto:flyrotary@lancaironline.net) Sent: Saturday, September 10, 2005 11:08 PM Subject: [FlyRotary] Re: Optimal GPM water pump flow. In a message dated 9/10/2005 10:09:02 AM Pacific Standard Time, _eanderson@carolina.rr.com_ (mailto:eanderson@carolina.rr.com) writes: less. But for 250HP continuous then I believe you are talking above 50 GPM. All this is just my SWAG. Ed A Ed, I discussed this with Steven Wienzurl who did the PSRU for Powersport. He said the stock Mazda pump (13B) put out 53 GPM on the edge of cavitation. That would pretty much verify your SWAG. Bill Jepson -------------------------------1126508159 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
Working from a 1-1/2 yr old memory here but I believe he said 7500 pump= =20 RPM. Not sure on restriction I believe it had a radiator without thermostat.= I=20 believe that is the standard Powersport setup.
Bill Jepson
 
In a message dated 9/11/2005 8:26:53 AM Pacific Standard Time,=20 dcarter@datarecall.net writes:
<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>
Bill, did Steven Wienzurl mention at what pump rpm this 53gpm was=20 recorded? & if it was in a "normal system with engine and radiator and= =20 thermostat or not"?
----- Original Message -----=20
From: WRJJRS@aol.co= m=20
Sent: Saturday, September 10, 2005 11:08 PM
Subject: [FlyRotary] Re: Optimal GPM water pump flow.

In a message dated 9/10/2005 10:09:02 AM Pacific Standard Time, eanderson@carolina.rr.com=20 writes:
less. But for 250HP continuous then I believe you are talki= ng=20 above 50 GPM.

All this is just my SWAG.

Ed=20 A
Ed,
 I discussed this with Steven Wienzurl who did the PSRU for=20 Powersport. He said the stock Mazda pump (13B) put out 53 GPM on the edge=20= of=20 cavitation. That would pretty much verify your SWAG.
Bill Jepson
 
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