X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imo-d23.mx.aol.com ([205.188.139.137] verified) by logan.com (CommuniGate Pro SMTP 5.0.9) with ESMTP id 1091318 for flyrotary@lancaironline.net; Thu, 04 May 2006 00:16:34 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.188.139.137; envelope-from=WRJJRS@aol.com Received: from WRJJRS@aol.com by imo-d23.mx.aol.com (mail_out_v38_r7.5.) id q.3df.19a9d77 (29672) for ; Thu, 4 May 2006 00:15:42 -0400 (EDT) From: WRJJRS@aol.com Message-ID: <3df.19a9d77.318ad9ee@aol.com> Date: Thu, 4 May 2006 00:15:42 EDT Subject: Re: [FlyRotary] Fuel system pressure bleed off To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1146716142" X-Mailer: 9.0 SE for Windows sub 5027 X-Spam-Flag: NO -------------------------------1146716142 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 5/3/2006 4:27:28 PM Pacific Standard Time, plumberben@yahoo.com writes: Group... I am installing my fuel system on my Renesis right now. I seem to remember (correct me if I am wrong) that the consensus was to use a .020 orfice bypass of the regulator to bleed off the pressure in the event of pump prime loss. My question is, how exactly are some of you going about this? Are you welding an AN fitting shut, then drilling it out to .020? Is there something of this nature commercially available? Suggestions? I have only to run the fuel lines, then wire the engine, a few other little misc. items, and I should be ready for first engine start. Ben Schneider N713R RV7 Renesis Ben, One good source is jets for motorcycle carburators. I am just going from memory hear but I believe a Mikuni 040 main jet for a small carb is about that size. Any shop that deals with dirt bikes and minis should have the smaller jets. .020 sounds about right for the bypass orifice. The jets are nice in that they are threaded and are brass and can be slodered into a tube if so desired. Note: the number on the jets is NOT the diameter, rather it's some flow measurement, so bring a wire to test the size if you use a jet. Good luck, Bill Jepson -------------------------------1146716142 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

In a message dated 5/3/2006 4:27:28 PM Pacific Standard Time,=20 plumberben@yahoo.com writes:

<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000=20 size=3D2>Group...
I am installing my fuel system on my Ren= esis=20 right now. I seem to remember (correct me if I am wrong) that the=20 consensus was to use a .020 orfice bypass of the regulator to bleed off th= e=20 pressure in the event of pump prime loss.
My question is, how exactly=20= are=20 some of you going about this? Are you welding an AN fitting shut, then=20 drilling it out to .020? Is there something of this nature commercially=20 available? Suggestions? I have only to run the fuel lines, the= n=20 wire the engine, a few other little misc. items, and I should be ready for= =20 first engine start.

Ben Schneider N713R RV7= =20 Renesis

Ben,

One good source is jets for motorcycle carburators. I am just goin= g=20 from memory hear but I believe a Mikuni 040 main jet for a small carb i= s=20 about that size. Any shop that deals with dirt bikes and minis should have t= he=20 smaller jets. .020 sounds about right for the bypass orifice. The=20= jets=20 are nice in that they are threaded and are brass and can be slodered into a=20= tube=20 if so desired. Note: the number on the jets is NOT the diameter, rather it's= =20 some flow measurement, so bring a wire to test the size if you use a jet.

Good luck,

Bill Jepson

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