X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Mon, 09 Sep 2013 07:54:44 -0400 Message-ID: X-Original-Return-Path: Received: from nm47-vm6.bullet.mail.gq1.yahoo.com ([67.195.87.184] verified) by logan.com (CommuniGate Pro SMTP 6.0.6) with ESMTPS id 6459509 for lml@lancaironline.net; Sun, 08 Sep 2013 21:04:59 -0400 Received-SPF: none receiver=logan.com; client-ip=67.195.87.184; envelope-from=mcmess1919@yahoo.com Received: from [98.137.12.61] by nm47.bullet.mail.gq1.yahoo.com with NNFMP; 09 Sep 2013 01:04:22 -0000 Received: from [208.71.42.196] by tm6.bullet.mail.gq1.yahoo.com with NNFMP; 09 Sep 2013 01:04:22 -0000 Received: from [127.0.0.1] by smtp207.mail.gq1.yahoo.com with NNFMP; 09 Sep 2013 01:04:22 -0000 X-Yahoo-Newman-Id: 486541.8794.bm@smtp207.mail.gq1.yahoo.com X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: w2jDqTYVM1l3Deh7ALAffuVzrKmVZJMkaV50gkIVe7gkGnn rW9AjlVhZ4l4rV4eIxaAoiKybBn4y7HXD.o6UPoHne63MIdpzj.GXdouXnJV a9XdFjbf7JACtPVjPYNOXZO6ssRmYFcbsctMUai6Cgd8Uoe0Hu_ZKFQvN7DA R1fNlgLS_GckT8QMJqyZZb15sRzKzqLPFUUrL4PasXzRY.qayf.cYV_2IETd q66vb0CgvwOC5EmVrxzzCHw6OBZ.3cZ56JIm4L74kXxqfrMRSpvp.D7IYg.y 67Xeaem9LaOlZhXBeNGsg6bK_qNsQc7B8ItlTsnpJU5.HdRhxgYq1wRFxjOg wCMRcGmr8gYrVvm8eVtQZt2vpURpgekZo8K5Hwva7tdiMEWYUW9TUCi7uK.Z uY8BCwAS9Roupbinh7o2Ie1t4Xmuwpfh65dNZeeZnsh7rHahN3UlfteT1GLC MHMO.fup7Bu2qyqG_zfZERnzqOsFCcG6Q02Z0rj8HkDRRnTcFNae3ZAI9l3v vdEN_pFtPGveJaTALyaPK8VHrVo8IbhDBxySwbEDOZ44G X-Yahoo-SMTP: rK4i7HqswBC7mDE8.sOiWQeO4CeReXc- X-Rocket-Received: from StevePC (mcmess1919@67.187.169.184 with ) by smtp207.mail.gq1.yahoo.com with SMTP; 08 Sep 2013 18:04:21 -0700 PDT From: "Steve Colwell" X-Original-To: "'Lancair Mailing List'" References: In-Reply-To: Subject: low boost on take off X-Original-Date: Sun, 8 Sep 2013 18:04:19 -0700 X-Original-Message-ID: <017501ceacf8$8405e9d0$8c11bd70$@com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0176_01CEACBD.D7A711D0" X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: Ac6qPfm9gjzs0n+qRfaA22kAdTxk8QCuBW+A Content-Language: en-us This is a multi-part message in MIME format. ------=_NextPart_000_0176_01CEACBD.D7A711D0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable =20 Reasons to run low boost all the time: =20 Do taxi and run up without low boost to verify the engine driven pump is = working. Low boost for takeoff and climb (in case the engine pump fails when you = are close to the ground or too far from the airport) Low boost is recommended above 10,000=E2=80=99 density alt. to avoid = vapor lock. (I found this out the hard way) In descent, why not leave it running (in case the engine pump fails when = you are close to the ground or too far from the airport) =20 Steve Colwell Legacy IO-550 =20 =20 Subject: [LML] Re: low boost on take off andres katz wrote: Turn it on on the ground and leave it on for the duration, turn it off = to shut the engine down otherwise cutting the mixture won't be enough Sent from my iPad On Sep 4, 2013, at 1:44 PM, Shane Bangerter wrote: What is the best practice for use of low boost fuel pressure pump for = the IV-P TSIO 550 E? Activate on take off or wait to a certain = altitude? I have been flying into Colorado Springs elevation 6,187 with = density altitudes over 8,000 this summer and wonder if I should activate = the low boost pump while on the ground. =20 Shane Bangerter 89GG=20 IV-P 280 hrs ------=_NextPart_000_0176_01CEACBD.D7A711D0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

 

Reasons to = run low boost all the time:

 <= /o:p>

Do taxi and = run up without low boost to verify the engine driven pump is = working.

Low boost = for takeoff and climb (in case the engine pump fails when you are close = to the ground or too far from the airport)

Low boost = is recommended above 10,000=E2=80=99 density alt. to avoid vapor lock. = (I found this out the hard way)

In descent, = why not leave it running (in case the engine pump fails when you are = close to the ground or too far from the = airport)

 <= /o:p>

Steve = Colwell=C2=A0 Legacy IO-550

 <= /o:p>

 <= /o:p>

Subject: [LML] Re: = low boost on take off

andres = katz=C2=A0 wrote:

Turn it on on the ground and leave it on for the = duration, turn it off to shut the engine down otherwise cutting the = mixture won't be enough

Sent from my = iPad


On Sep 4, 2013, at 1:44 PM, Shane = Bangerter <Shane@rbr3.com> = wrote:

What is the best practice for use of low boost fuel = pressure pump for the IV-P TSIO 550 E?  Activate on take off or = wait to a certain altitude?  I have been flying into Colorado = Springs elevation 6,187 with density altitudes over 8,000 this summer = and wonder if I should activate the low boost pump while  on the = ground.

 

Shane = Bangerter

89GG

IV-P

280 = hrs

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