X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 09 Sep 2008 00:35:03 -0400 Message-ID: X-Original-Return-Path: Received: from imo-d21.mx.aol.com ([205.188.144.207] verified) by logan.com (CommuniGate Pro SMTP 5.2.7) with ESMTP id 3120264 for lml@lancaironline.net; Mon, 08 Sep 2008 19:31:40 -0400 Received: from Sky2high@aol.com by imo-d21.mx.aol.com (mail_out_v38_r10.8.) id q.c84.3661355d (14467) for ; Mon, 8 Sep 2008 19:31:35 -0400 (EDT) From: Sky2high@aol.com X-Original-Message-ID: X-Original-Date: Mon, 8 Sep 2008 19:31:35 EDT Subject: Re: [LML] Re: unfeathering accumulator X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1220916695" X-Mailer: Unknown sub 34 X-Spam-Flag:NO -------------------------------1220916695 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Lorn, For slick airplanes, the drag of a stopped prop is somewhere between high drag of the rotating disc of a flat pitch prop and the much lower drag of one in coarse pitch. For a draggy airplane a stopped prop and a coarse pitch prop have little effect on the overall drag. Grayhawk In a message dated 9/8/2008 2:31:03 P.M. Central Daylight Time, lorn@dynacomm.us writes: When your prop is stopped, you have no oil pressure. > From: "Lancair" > Date: September 7, 2008 6:08:38 PM GMT-04:00 > > I installed a 4-bladed feathering MT prop and they said that if the > engine is producing oil pressure you do not need an accumulator. > > Robert M. Simon > ES-P N301ES -- Lorn H. 'Feathers' Olsen, MAA, ASMEL, ASES, Comm, Inst DynaComm, Corp., 248-345-0500, mailto:lorn@dynacomm.us LNC2, FB90/92, O-320-D1F, 1,400 hrs, N31161, Y47, SE Michigan -- For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.html **************Psssst...Have you heard the news? There's a new fashion blog, plus the latest fall trends and hair styles at StyleList.com. (http://www.stylelist.com/trends?ncid=aolsty00050000000014) -------------------------------1220916695 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
Lorn,
 
For slick airplanes, the drag of a stopped prop is somewhere=20 between high drag of the rotating disc of a flat pitch prop and th= e=20 much lower drag of one in coarse pitch.
 
For a draggy airplane a stopped prop and a coarse pitch prop have littl= e=20 effect on the overall drag.
 
Grayhawk
 
 
In a message dated 9/8/2008 2:31:03 P.M. Central Daylight Time,=20 lorn@dynacomm.us writes:
<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>When=20 your prop is stopped, you have no oil pressure.

> From: "Lancair= "=20 <lancair-esp@ustek.com>

> Date: September 7, 2008 6:08:38=20= PM=20 GMT-04:00
>
> I installed a 4-bladed feathering MT prop and th= ey=20 said that if the 
> engine is producing oil pressure you do no= t=20 need an accumulator.
>
> Robert M. Simon
> ES-P=20 N301ES

--
Lorn H. 'Feathers' Olsen, MAA, ASMEL, ASES, Comm,=20 Inst
DynaComm, Corp., 248-345-0500, mailto:lorn@dynacomm.us
LNC2,=20 FB90/92, O-320-D1F, 1,400 hrs, N31161, Y47, SE=20 Michigan




--
For archives and unsub=20 http://mail.lancaironline.net:81/lists/lml/List.html



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