X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [66.219.56.245] (HELO mail.qnsi.net) by logan.com (CommuniGate Pro SMTP 5.2.16) with ESMTP id 3870982 for flyrotary@lancaironline.net; Thu, 01 Oct 2009 07:32:32 -0400 Received-SPF: none receiver=logan.com; client-ip=66.219.56.245; envelope-from=bhughes@qnsi.net Return-Receipt-To: "Bobby J. Hughes" Subject: RE: [FlyRotary] Re: Activity MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01CA4293.A2FB0FCE" Disposition-Notification-To: "Bobby J. Hughes" Content-class: urn:content-classes:message Date: Thu, 1 Oct 2009 06:35:18 -0600 X-MimeOLE: Produced By Microsoft Exchange V6.5 Message-ID: <74120FDE88CAFE4DBDA8814BCE20A3F315EC47@qnsi-mail.qnsi.net> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [FlyRotary] Re: Activity Thread-Index: AcpCQTIVC8IkKKCMTOybcFAkWrxOnAAUKtzg References: From: "Bobby J. Hughes" To: "Rotary motors in aircraft" This is a multi-part message in MIME format. ------_=_NextPart_001_01CA4293.A2FB0FCE Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable George, =20 I have 800 cu in of water to air exchangers. No oil to air exchanger. At 6800 rpm \ 38" MP I'm producing close to 250 hp. But 15 hp is used to drive the SC. So about 3.2 cu in per HP. The new openings are about 72 sq in. The goal is to lower the water temps from 200F to 185F with an OAT of 100F. Oil is running 20F hotter than water. With the 21% ratio I was only able to maintain 185 HP and keep the oil temps below 220F \ OAT 95F. It all an experiment.=20 =20 Bobby ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of George Lendich Sent: Wednesday, September 30, 2009 7:31 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Activity Bobby, What is your expected HP. How does 26% of core face equate to 3 cu" for every HP i.e. 200 hp =3D 600 cu" George (down under) With any luck I will be back in the air this weekend. I made several changes including opening my inlets from 21% to 26% of my core face. Of course it's no longer 105F so will have to extrapolate the data. Other changes include relocating the battery back to the stock location, removing 13lbs of tail ballets, new exhaust manifold and belly mount muffler, CO Detector, exhaust heat for cabin, O2 system, autopilot, 230 psi water spray for radiator and manifold injection (yet to be tested), re-plumb the oil to water exchanger and a fresh pilot bi-annual today.=20 =20 Bobby ________________________________ Anyone out there ??.....................<:) =20 ------_=_NextPart_001_01CA4293.A2FB0FCE Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable
George,
 
I have 800 cu in of water to air exchangers. No = oil to air=20 exchanger. At 6800 rpm \ 38" MP I'm producing close to 250 hp. But 15 hp = is used=20 to drive the SC. So about 3.2 cu in per HP. The new openings are about = 72 sq in.=20 The goal is to lower the water temps from 200F to 185F with an OAT of = 100F. Oil=20 is running 20F hotter than water. With the 21% ratio I was only able to = maintain=20 185 HP and keep the oil temps below 220F \ OAT 95F. It all an = experiment.=20
 
Bobby

From: Rotary motors in aircraft=20 [mailto:flyrotary@lancaironline.net] On Behalf Of George=20 Lendich
Sent: Wednesday, September 30, 2009 7:31 = PM
To:=20 Rotary motors in aircraft
Subject: [FlyRotary] Re:=20 Activity

 Bobby,
What is your expected HP.
How does 26% of core face equate to 3 = cu" for every=20 HP
 i.e. 200 hp =3D 600 = cu"
George (down under)
With any luck I will be back in the air this = weekend. I made=20 several changes including opening my inlets from 21% to 26% of my core = face.=20 Of course it's no longer 105F so will have to extrapolate the data. = Other=20 changes include relocating the battery back to the stock location, = removing=20 13lbs of tail ballets, new exhaust manifold and belly mount muffler, = CO=20 Detector, exhaust heat for cabin, O2 system, autopilot, 230 psi water = spray=20 for radiator and manifold injection (yet to be tested), re-plumb the = oil to=20 water exchanger and a fresh pilot bi-annual=20 today. 
 
Bobby


Anyone out there ??.....................<:)
 
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