X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [199.185.220.240] (HELO priv-edtnes46.telusplanet.net) by logan.com (CommuniGate Pro SMTP 4.3.4) with ESMTP id 1002586 for flyrotary@lancaironline.net; Wed, 15 Jun 2005 02:23:45 -0400 Received-SPF: pass receiver=logan.com; client-ip=199.185.220.240; envelope-from=echolakeresort@telus.net Received: from boucher-oddle24 ([207.194.26.160]) by priv-edtnes46.telusplanet.net (InterMail vM.6.01.04.04 201-2131-118-104-20050224) with SMTP id <20050615062247.HQFX23848.priv-edtnes46.telusplanet.net@boucher-oddle24> for ; Wed, 15 Jun 2005 00:22:47 -0600 MIME-Version: 1.0 Message-Id: <42AFC80B.000006.07308@BOUCHER-ODDLE24> Date: Tue, 14 Jun 2005 23:17:47 -0700 (Pacific Standard Time) Content-Type: Multipart/Alternative; boundary="------------Boundary-00=_N54412S0000000000000" X-Mailer: IncrediMail (3001609) From: "Echo Lake Fishing Resort (Georges Boucher)" References: To: Subject: Re: [FlyRotary] Re: Engine Not Starting X-FID: FLAVOR00-NONE-0000-0000-000000000000 X-Priority: 3 --------------Boundary-00=_N54412S0000000000000 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Al =0D The injectors are opened for miliseconds, the air can't be cleared. A 0.0= 20 orifice opened constantly will flow until all pressure is eliminate (if t= he bypass is place higher than the injector the air should be eliminate quickly).=0D Georges B.=0D =0D -------Original Message-------=0D =0D From: Rotary motors in aircraft=0D Date: 06/14/05 22:48:43=0D To: Rotary motors in aircraft=0D Subject: [FlyRotary] Re: Engine Not Starting=0D =0D I picked up the idea from the Eggenfellner Subaru group. They had had a couple of instances where pilots ran one tank dry and then couldn=92t get= the EFI pump to re-prime, and ended up in off-field landings. It is now a mandatory change for anyone running the Eggenfellner package=0D =0D Before installing the bypass bleeder circuit, it would not re-prime unles= s I cracked open a line downstream of the pump. =0D =0D Mark S.=0D =0D I=92m not sure I get this. It must be system design dependant. I have f= illed my tanks from dead empty; turned on the pump and immediately had fuel pressure. Ran the tanks dry; then added some fuel; turned on the pump =96 immediately had pressure. True; I have done this on the ground, but shou= ld it be any different in the air. The key may be that the line from my sum= p tank to the pump has a slight downward slope so the fuel will fill the li= ne and the air goes back to the sump.=0D =0D What does the .025 bypass orifice do that open injectors while engine cranking won=92t do?=0D =0D Al=0D =20 --------------Boundary-00=_N54412S0000000000000 Content-Type: Text/HTML; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
 Al
The injectors are opened for miliseconds, the air can't be cleared. = A 0.020 orifice opened constantly will flow until all pressure is elimina= te (if the bypass is place higher than the injector the air should be eli= minate quickly).
Georges B.
 
-------Original Message-------
 
Date: 06/14/05 22:= 48:43
Subject: [FlyRotar= y] Re: Engine Not Starting
 

I picked up the idea from the Eggenfellner Subaru group.&nbs= p; They had had a couple of instances where pilots ran one tank dry and t= hen couldn=92t get the EFI pump to re-prime, and ended up in off-field la= ndings.  It is now a mandatory change for anyone running the Eggenfe= llner package

 

Before installing the bypass bleeder circuit, it would not r= e-prime unless I cracked open a line downstream of the pump. 

 

Mark S.

 

I=92m not sure = I get this.  It must be system design dependant.  I have filled= my tanks from dead empty; turned on the pump and immediately had fuel pr= essure.  Ran the tanks dry; then added some fuel; turned on the pump= =96 immediately had pressure.  True; I have done this on the ground= , but should it be any different in the air.  The key may be that th= e line from my sump tank to the pump has a slight downward slope so the f= uel will fill the line and the air goes back to the sump.

 

What does the .= 025 bypass orifice do that open injectors while engine cranking won=92t d= o?

 

Al

 
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