X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail4.qnetau.com ([202.146.213.1] verified) by logan.com (CommuniGate Pro SMTP 5.1.11) with SMTP id 2260454 for flyrotary@lancaironline.net; Mon, 13 Aug 2007 18:48:18 -0400 Received-SPF: none receiver=logan.com; client-ip=202.146.213.1; envelope-from=greg@itmack.com Received: (qmail 68724 invoked by uid 399); 13 Aug 2007 22:47:38 -0000 Received: from unknown (HELO NOTEBOOK) (220.237.95.24) by mail4.qnetau.com with ESMTP; 13 Aug 2007 22:47:38 -0000 X-Originating-IP: 220.237.95.24 Message-ID: <003801c7ddfc$251cf3e0$6402a8c0@NOTEBOOK> From: "Greg" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Batteries in rotary RV8 Date: Mon, 13 Aug 2007 22:30:30 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00D4_01C7DDF9.8E5FD9B0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3028 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3028 X-Antivirus: avast! (VPS 000765-1, 13/08/2007), Outbound message X-Antivirus-Status: Clean This is a multi-part message in MIME format. ------=_NextPart_000_00D4_01C7DDF9.8E5FD9B0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MessageThanks I'll try the front and I've made some holes for the cable = to pass through in case I have to move them to the rear. Greg For those with or are knowledgeable about the RV8, would you recommend = batteries (2xPC680) in the rear or on the firewall assuming renesis = engine with a wood prop.=20 Hi Greg, I've done it both ways with O-360's and heavy props, and both have = advantages. The last RV-8 had an O-360 with C/S prop, and I put one = PC680 on the firewall. That puts the plane at the forward CG limit when = solo, which is great for carrying passengers and baggage, but not so = great for fun solo flying. =20 There's a lot of room for variation in installation weight, but a = Renesis with a wood prop certainly could (should) come out lighter than = an O-360 with C/S prop. As long as you beat the weight by enough to = allow for a second battery, then you can certainly put the batteries on = the firewall. Some people are putting batteries in the bottom of the = front baggage extension, just to get them off the firewall, and out of = the heat, so that's another option. =20 Before you close up the floors, it might be wise to leave a wire run = available for a rear battery, just in case. Cheers, Rusty ------=_NextPart_000_00D4_01C7DDF9.8E5FD9B0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
Thanks I'll try the front and I've made some holes for the cable to = pass=20 through in case I have to move them to the rear.
 
Greg

 
For those with or are = knowledgeable about=20 the RV8, would you recommend batteries (2xPC680) in the rear or on the = firewall assuming renesis engine with a wood prop. 
 
Hi Greg,
 
I've done it both ways with O-360's and heavy = props, and=20 both have advantages.  The last=20 RV-8 had an O-360 with C/S prop, and I put one PC680 on the = firewall. =20 That puts the plane at the forward CG limit when solo, which is great = for=20 carrying passengers and baggage, but not so great for fun solo=20 flying.  
 
There's a lot of room for variation in = installation=20 weight, but a Renesis with a wood prop certainly could (should) = come out=20 lighter than an O-360 with C/S prop.  As long as you beat the = weight by=20 enough to allow for a second battery, then you can certainly put the = batteries=20 on the firewall.  Some people are putting batteries in the = bottom of=20 the front baggage extension, just to get them off the firewall, and = out of the=20 heat, so that's another option.  =
 
Before you close up the floors, it might be = wise to leave=20 a wire run available for a rear battery, just in=20 case.
 
Cheers,
Rusty     <= /DIV>
------=_NextPart_000_00D4_01C7DDF9.8E5FD9B0--