X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Fri, 23 May 2008 11:15:05 -0400 Message-ID: X-Original-Return-Path: Received: from imo-d20.mx.aol.com ([205.188.139.136] verified) by logan.com (CommuniGate Pro SMTP 5.2.3) with ESMTP id 2933031 for lml@lancaironline.net; Wed, 21 May 2008 22:08:57 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.188.139.136; envelope-from=Sky2high@aol.com Received: from Sky2high@aol.com by imo-d20.mx.aol.com (mail_out_v38_r9.4.) id q.cf4.2c012ba8 (41812) for ; Wed, 21 May 2008 22:08:18 -0400 (EDT) From: Sky2high@aol.com X-Original-Message-ID: X-Original-Date: Wed, 21 May 2008 22:08:17 EDT Subject: Re: [LML] Re: Circuit Breaker Location X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1211422097" X-Mailer: Unknown sub 34 X-Spam-Flag: NO -------------------------------1211422097 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Bill and Scott, With respect to 320/360s: The original design had the battery, master relay, pump and pump power relays behind the baggage bulkhead - thus the logic for the close proximity of the pump power breaker to the master relay. Still a bad operational location. These days, it is more frequent that the battery and master relay are behind the seat (usually the co-pilot), thus the CB in the console has only a short run from the master relay (about 14" US). Those that mount their battery and master relay on the firewall are well served by the CB in the panel (although the CB will be more than 14" US from the relay). The medium amp run of wire to the CB does not outweigh the Master relay to Starter relay run - only protected by the hand operated in-your-face Master Switch. Let's see, how many of you have fused/diodized the lead from the "I" post on the pump power relay to the indicator light in the panel? Huh? Huh? Didn't you realize that the 18 or 20 gauge wire is carrying a 50 AMP current potential as the "I" post is a tap off the pump power relay contactor and is only protected by the 50 AMP breaker? What goes first in a short, the itsy bitsy wire or the big breaker? Grayhawk Don't reach behind yourself for anything when it is important to fly. In a message dated 5/21/2008 8:49:42 P.M. Central Daylight Time, 5zq@cox.net writes: The purpose of the CB or fuse is to protect the wire feeding the device. It should be as close to the source of electricity as possible. With it mounted on the pump enclosure, sounds like you'll have a fairly long run of unprotected, high amperage wire. Not good. Having said that, I don't think that there are any specific regulations that would prevent you from mounting it wherever you wanted. **************Get trade secrets for amazing burgers. Watch "Cooking with Tyler Florence" on AOL Food. (http://food.aol.com/tyler-florence?video=4&?NCID=aolfod00030000000002) -------------------------------1211422097 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
Bill and Scott,
 
With respect to 320/360s:
 
The original design had the battery, master relay, pump and=20 pump power relays behind the baggage bulkhead - thus the logic for= =20 the close proximity of the pump power breaker to the master=20 relay.  Still a bad operational location.
 
These days, it is more frequent that the battery and master relay are=20 behind the seat (usually the co-pilot), thus the CB in the console has only=20= a=20 short run from the master relay (about 14" US).
 
Those that mount their battery and master relay on the firewall are wel= l=20 served by the CB in the panel (although the CB will be more than 1= 4"=20 US from the relay).
 
The medium amp run of wire to the CB does not outweigh the Master=20 relay to Starter relay run - only protected by the hand operated in-your-fac= e=20 Master Switch.
 
Let's see, how many of you have fused/diodized the lead from the "I" po= st=20 on the pump power relay to the indicator light in the panel?  Huh? = ;=20 Huh?  Didn't you realize that the 18 or 20 gauge wire is carrying a 50=20= AMP=20 current potential as the "I" post is a tap off the pump power relay contacto= r=20 and is only protected by the 50 AMP breaker?  What goes first in a shor= t,=20 the itsy bitsy wire or the big breaker?
 
Grayhawk
Don't reach behind yourself for anything when it is important to fly.
 
In a message dated 5/21/2008 8:49:42 P.M. Central Daylight Time,=20 5zq@cox.net writes:
<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>The=20 purpose of the CB or fuse is to protect the wire feeding the device. It=20
should be as close to the source of electricity as possible. With it=20 mounted
on the pump enclosure, sounds like you'll have a fairly long r= un=20 of
unprotected, high amperage wire.  Not good.

Having said= =20 that, I don't think that there are any specific regulations that
would= =20 prevent you from mounting it wherever you=20 wanted.



Get trade secrets for amazing burgers. Watch "Cooking with Tyler Florence" on AOL Food.
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