X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Fri, 09 Oct 2009 16:25:45 -0400 Message-ID: X-Original-Return-Path: Received: from asp-3.reflexion.net ([205.237.99.178] verified) by logan.com (CommuniGate Pro SMTP 5.2.16) with SMTP id 3880304 for lml@lancaironline.net; Fri, 09 Oct 2009 10:21:23 -0400 Received-SPF: none receiver=logan.com; client-ip=205.237.99.178; envelope-from=cberland@systems3.net Received: (qmail 25216 invoked from network); 9 Oct 2009 14:20:47 -0000 Received: from unknown (HELO asp-3.reflexion.net) (127.0.0.1) by 0 (rfx-qmail) with SMTP; 9 Oct 2009 14:20:47 -0000 Received: by asp-3.reflexion.net (Reflexion email security v5.60.10) with SMTP; Fri, 09 Oct 2009 10:20:46 -0400 (EDT) Received: (qmail 25107 invoked from network); 9 Oct 2009 14:20:46 -0000 Received: from unknown (HELO remote.systems3.net) (98.172.79.178) by 0 (rfx-qmail) with (AES128-SHA encrypted) SMTP; 9 Oct 2009 14:20:46 -0000 Received: from S3SBS08SERVER.Systems3.local ([fe80::6077:364b:fa39:c71b]) by S3SBS08SERVER.Systems3.local ([fe80::6077:364b:fa39:c71b%10]) with mapi; Fri, 9 Oct 2009 07:19:55 -0700 From: Craig Berland X-Original-To: Lancair Mailing List X-Original-Date: Fri, 9 Oct 2009 07:19:53 -0700 Subject: RE: [LML] Re: LOP MP setting for TSIO-550E Thread-Topic: [LML] Re: LOP MP setting for TSIO-550E Thread-Index: AcpI6g1OJEf2qYpYSqynEM3NZjM0JAAANNlQ X-Original-Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: multipart/alternative; boundary="_000_D7A6B5700A0803448C27264F1F538736023CD66639S3SBS08SERVER_" MIME-Version: 1.0 --_000_D7A6B5700A0803448C27264F1F538736023CD66639S3SBS08SERVER_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Is it 73% power no matter how I set the MP, so long as temperatures remain = in control? If that's true, why would I select one MP over another (realiz= ing I can't run wide open throttle)? Yes, it remains at 73% power. When flying LOP, fuel rate is power. You ar= e much "leaner" at 32 inHg than you are at 30 inHg. Add fuel at 32 inHg an= d you will go faster and your cylinder heads will still stay under 380 degF= . Nobody likes a slow airplane. Craig Berland IV-P N7VG My ES-P has a TSIO-550E with GAMI injectors, and I've recently been through= advanced pilot's web LOP course. But I'm still unclear on at least one po= int. My TSIO-550E will happily run at 17.5 GPH at a MP of any of 30, 31, 32 (amo= ng others). All cylinders remain below 380, and TIT is reasonable. My understanding is multiplying 14.7 x GPH yields HP, in this case 73.5% po= wer Is it 73% power no matter how I set the MP, so long as temperatures remain = in control? If that's true, why would I select one MP over another (realiz= ing I can't run wide open throttle)? --_000_D7A6B5700A0803448C27264F1F538736023CD66639S3SBS08SERVER_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Is it 73% power no matter how I set the MP, so long as temperatures remain in control?  If that's true, why would I select one MP over another (realizing I can't run wide open throttle)?

 

Yes, it remains at 73% power.  When flying LOP, fuel rate is power.  Y= ou are much “leaner” at 32 inHg than you are at 30 inHg.  Add fuel at 32 inHg and you will go faster and your cylinder heads will still s= tay under 380 degF.  Nobody likes a slow airplane.

Craig Berland

IV-P N7VG

 

My ES-P has a TSIO-550E with GAMI injectors, and I’ve recently been thro= ugh advanced pilot's web LOP course.  But I'm still unclear on at least one point.

My TSIO-550E will happily run at 17.5 GPH at a MP of any of 30, 31, 32 (amo= ng others).  All cylinders remain below 380, and TIT is reasonable.

My understanding is multiplying 14.7 x GPH yields HP, in this case 73.5% po= wer

Is it 73% power no matter how I set the MP, so long as temperatures remain = in control?  If that's true, why would I select one MP over another (realizing I can't run wide open throttle)?

--_000_D7A6B5700A0803448C27264F1F538736023CD66639S3SBS08SERVER_--