X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Mon, 29 May 2006 00:38:04 -0400 Message-ID: X-Original-Return-Path: Received: from ms-smtp-05.texas.rr.com ([24.93.47.44] verified) by logan.com (CommuniGate Pro SMTP 5.0.9) with ESMTP id 1131317 for lml@lancaironline.net; Sun, 28 May 2006 21:21:10 -0400 Received-SPF: pass receiver=logan.com; client-ip=24.93.47.44; envelope-from=toucan@Satx.rr.com Received: from VAIO (cpe-24-243-1-103.satx.res.rr.com [24.243.1.103]) by ms-smtp-05.texas.rr.com (8.13.6/8.13.6) with SMTP id k4T1KNhT001956 for ; Sun, 28 May 2006 20:20:24 -0500 (CDT) X-Original-Message-ID: <002a01c682be$0c8b7120$6701f318@VAIO> From: "James Cameron" X-Original-To: "Lancair Mailing List" Subject: Legacy battery placement, c.g. X-Original-Date: Sun, 28 May 2006 20:20:18 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0027_01C68294.233BCC50" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2869 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2869 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_0027_01C68294.233BCC50 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable In my first Legacy I put a single Concorde 35 AH battery (the XC, as = I recall) back in the empennage with the hydraulic pump. That size = battery was, in my opinion, the minumum for cranking over the big IO550. = The Panasonic batteries may not be able to develop the same short-term = current output (cranking power) that the Concorde battery does. Of = course, many other things can lead to hard starting, insufficient = battery cable size being just one of them. In the second Legacy that I'm building now, I'm putting the = hydraulic pump in the same place, i.e., on the aft side of the baggage = compartment bulkhead. The manual has been re-written to show it behind = the co-pilot seat, but I decided not to move it there because: (1) for = c.g. purposes it's better to move the battery -- it's heavier, (2) you = save more weight with short cables from battery to starter, (3) the = hydraulic pump is not pretty and it's noisy, so it's better back in the = back, and (4) the bracket provided for mounting the hydraulic pump = behind the seat was not acceptable -- didn't fit and was too flimsy for = the weight. Fortunately the hard points for mounting the hydraulic pump = are still in the bulkhead. And by the way, you can buy a very crummy battery box from ACS for = over a hundred bucks, or a pretty nice one from West Marine for about = twenty. Jim Cameron Boerne, TX Legacy #2 in progress ------=_NextPart_000_0027_01C68294.233BCC50 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

In my first Legacy I put a single = Concorde 35 AH=20 battery (the XC, as I recall) back in the empennage with the hydraulic=20 pump. That size battery was, in my opinion, the minumum for = cranking over=20 the big IO550. The Panasonic batteries may not be able to = develop=20 the same short-term current output (cranking power) that the Concorde = battery=20 does. Of course, many other things can lead to hard = starting,=20 insufficient battery cable size being just one of them.

In the second Legacy that I'm = building now,=20 I'm putting the hydraulic pump in the same place, i.e., on the aft side = of the=20 baggage compartment bulkhead. The manual has been re-written to = show it=20 behind the co-pilot seat, but I decided not to move it there because: = (1) for=20 c.g. purposes it's better to move the battery -- it's heavier, (2) you = save more=20 weight with short cables from battery to starter, (3) the hydraulic pump = is not=20 pretty and it's noisy, so it's better back in the back, and (4) the = bracket=20 provided for mounting the hydraulic pump behind the seat was not = acceptable --=20 didn't fit and was too flimsy for the weight. Fortunately the hard = points=20 for mounting the hydraulic pump are still in the bulkhead.

And by the way, you can buy a = very crummy=20 battery box from ACS for over a hundred bucks, or a pretty nice one from = West=20 Marine for about twenty.

Jim Cameron

Boerne, TX

Legacy #2 in progress

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