X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from rc1-smtp.comporium.net ([208.104.2.18] verified) by logan.com (CommuniGate Pro SMTP 5.3.1) with ESMTP id 4084639 for flyrotary@lancaironline.net; Fri, 15 Jan 2010 23:07:17 -0500 Received-SPF: pass receiver=logan.com; client-ip=208.104.2.18; envelope-from=jewen@comporium.net Received: from rg5.comporium.net ([208.104.2.25]) by rc1-smtp.comporium.net ({6ef86d1c-fcb7-4b71-ab61-5707d6041926}) via TCP (outbound) with ESMTP id 20100116040635779 for ; Fri, 15 Jan 2010 23:06:35 -0500 X-RC-FROM: X-RC-RCPT: Received: from 67-197-214-136.ln.dyn.cm.comporium.net (HELO home01) ([67.197.214.136]) by rg5.comporium.net (MOS 3.10.7-GA FastPath queued) with SMTP id CDY77177; Fri, 15 Jan 2010 23:06:35 -0500 (EST) Message-ID: <006901ca9661$6cee4870$6405a8c0@home01> From: "Joe Ewen" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] mechanical vs electrical Date: Fri, 15 Jan 2010 23:07:31 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0066_01CA9637.83FE01B0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1933 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1933 This is a multi-part message in MIME format. ------=_NextPart_000_0066_01CA9637.83FE01B0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable My airspeed indicator and altimeter are electric, but do have back up = steam gauges for both. Nice to have redundancy for those important = things in life. I have seen nylon oil lines get brittle and break over = time, might not be a bad idea to make periodic replacements. How is the Renesis comming? Joe ----- Original Message -----=20 From: kevin lane=20 To: Rotary motors in aircraft=20 Sent: Friday, January 15, 2010 10:56 PM Subject: [FlyRotary] mechanical vs electrical I suppose this argument simply goes in circles, but a mechanical gauge = works when there is no electrical source. that seems like a big factor = to me. I still remember my Jeff rose electronic ignition [on my O-320] = dying while flying over crater lake, OR and that 1920's-era magneto = never knew what was happening. I have a mechanical oil pressure[nylon = line] & temp gauge that have 1000+ hrs on them and no problems. same = with my van's fuel gauges [original, electrical non-capacitance resistor = style]. but, while I argue of the benefits of independent, = non-electrical gauges, I admit that this rotary engine will have an = electric fuel pump, so, when the juice quits, I guess it doesn't matter = if you don't know why. what about an electric airspeed indicator? all = those messy tubes and ports and such! =E2=98=BA kevin [will readily = admit I may simply be dumb and happy] ------=_NextPart_000_0066_01CA9637.83FE01B0 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable =EF=BB=BF
My airspeed indicator and altimeter are = electric,=20 but do have back up steam gauges for both.  Nice to have redundancy = for=20 those important things in life.  I have seen nylon oil lines get = brittle=20 and break over time, might not be a bad idea to make periodic=20 replacements.
 
How is the Renesis = comming?
 
Joe
----- Original Message -----
From:=20 kevin = lane=20
Sent: Friday, January 15, 2010 = 10:56=20 PM
Subject: [FlyRotary] mechanical = vs=20 electrical

I suppose this argument simply goes = in=20 circles, but a mechanical gauge works when there is no electrical=20 source.  that seems like a big factor to me.  I still = remember my=20 Jeff rose electronic ignition [on my O-320] dying while flying over = crater=20 lake, OR and that 1920's-era magneto never knew what was = happening. =20 I have a mechanical oil pressure[nylon line] & = temp gauge that=20 have 1000+ hrs on them and no problems.  same with my van's fuel = gauges=20 [original, electrical non-capacitance resistor style].  but, = while I=20 argue of the benefits of independent, non-electrical gauges, I admit = that this=20 rotary engine will have an electric fuel pump, so, when the juice = quits, I=20 guess it doesn't matter if you don't know why.  what about an = electric=20 airspeed indicator?  all those messy tubes and ports and such!=20 =E2=98=BA   kevin [will readily admit I may simply be dumb = and=20 happy]
------=_NextPart_000_0066_01CA9637.83FE01B0--