X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from omta.toronto.rmgopenwave.com ([4.59.182.110] verified) by logan.com (CommuniGate Pro SMTP 5.2.16) with ESMTP id 3841171 for flyrotary@lancaironline.net; Tue, 08 Sep 2009 12:16:09 -0400 Received-SPF: pass receiver=logan.com; client-ip=4.59.182.110; envelope-from=lacombr@nbnet.nb.ca Received: from torspm04.toronto.rmgopenwave.com ([142.167.86.92]) by tormtz01.toronto.rmgopenwave.com (InterMail vM.8.00.01.00 201-2244-105-20090324) with ESMTP id <20090908161536.POBN9543.tormtz01.toronto.rmgopenwave.com@torspm04.toronto.rmgopenwave.com> for ; Tue, 8 Sep 2009 12:15:36 -0400 Received: from PCdeRita ([142.167.86.92]) by torspm04.toronto.rmgopenwave.com with SMTP id <20090908161535.JHVN6760.torspm04.toronto.rmgopenwave.com@PCdeRita> for ; Tue, 8 Sep 2009 12:15:35 -0400 Message-ID: <361500BC04FF48E4B240B36748FB855E@PCdeRita> From: "Rino" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: At long last, Second Flight Date: Tue, 8 Sep 2009 13:15:22 -0300 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0053_01CA3086.6C03F4F0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6001.18000 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6001.18049 This is a multi-part message in MIME format. ------=_NextPart_000_0053_01CA3086.6C03F4F0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi Tracy, Congratulations on your first and second flight. For getting the information, reading the instruments, I plug a tape = recorder in the co-pilot earphone plug and talk. It is better than my = memory. Rino Lacombe ----- Original Message -----=20 From: Tracy Crook=20 To: Rotary motors in aircraft=20 Sent: Monday, September 07, 2009 9:11 PM Subject: [FlyRotary] Re: At long last, Second Flight After plugging the connection to the EFIS1 Pitot port I made another = flight today. The OAT was about 8 degrees cooler so - surprise - my = oil & coolant temps were about 8 degrees cooler too. That and a working = ASI made this flight a lot more comfortable. I did collect a little more data this time but now I really see the = value of data logging. Back on the ground I constantly find myself = wishing I had written down a different sensor reading under a different = condition. The air temps I'm measuring under the cowl are much hotter than I want = to see, probably due to insufficient CFM of cooling air. I haven't = measured the pressure recovery in my diffusers but indications are that = they aren't going to be what I was hoping for. Either that or the = pressure under the cowl is much too high. Always in need of more data. = Next flight will be made with the dynamic pressure port probe in place = under the cowl. I'm still a little concerned about the high turning resistance of my = 20B engine when hot. When cool, it feels normal. This has not changed = in 14 hours of engine run time. Any of you other 20B users notice = anything like this. Is there any significant difference in the way the = engine feels when pulling the prop through when hot and cold? =20 Tracy ------=_NextPart_000_0053_01CA3086.6C03F4F0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi Tracy,
 
Congratulations on your first and = second=20 flight.
For getting the information, reading = the=20 instruments, I plug a tape recorder in the co-pilot earphone plug and=20 talk.  It is better than my memory.
 
Rino Lacombe
----- Original Message -----
From:=20 Tracy=20 Crook
Sent: Monday, September 07, = 2009 9:11=20 PM
Subject: [FlyRotary] Re: At = long last,=20 Second Flight

After plugging the connection to the EFIS1 Pitot port I = made=20 another flight today.  The OAT was about 8 degrees cooler so -=20 surprise  - my oil & coolant temps were about 8 degrees = cooler=20 too.  That and a working ASI made this flight a lot more=20 comfortable.

I did collect a little more data this time but now = I=20 really see the value of data logging.   Back on the ground I = constantly=20 find myself wishing I had written down a different sensor reading = under a=20 different condition.

The air temps I'm measuring under the cowl = are=20 much hotter than I want to see, probably due to insufficient CFM of = cooling=20 air.  I haven't measured the pressure recovery in my diffusers = but=20 indications are that they aren't going to be what I was hoping = for. =20 Either that or the pressure under the cowl is much too high.   = Always in=20 need of more data.  Next flight will be made with the dynamic = pressure=20 port probe in place under the cowl.

I'm still a little = concerned about=20 the high turning resistance of my 20B engine when hot.  When = cool, it=20 feels normal.  This has not changed in 14 hours of engine run = time.=20   Any of you other 20B users notice anything like this.  Is = there=20 any significant difference in the way the engine feels when pulling = the prop=20 through when hot and cold?  =20

Tracy
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