Return-Path: Received: from [65.54.168.114] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.2.8) with ESMTP id 616196 for flyrotary@lancaironline.net; Fri, 21 Jan 2005 11:58:31 -0500 Received-SPF: pass receiver=logan.com; client-ip=65.54.168.114; envelope-from=lors01@msn.com Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Fri, 21 Jan 2005 08:58:01 -0800 Message-ID: Received: from 4.174.6.225 by BAY3-DAV10.phx.gbl with DAV; Fri, 21 Jan 2005 16:57:11 +0000 X-Originating-IP: [4.174.6.225] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Fuel Pump Load Date: Fri, 21 Jan 2005 11:57:10 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00D5_01C4FFB0.566A23A0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 X-MIMEOLE: Produced By MSN MimeOLE V9.10.0009.2900 Seal-Send-Time: Fri, 21 Jan 2005 11:57:10 -0500 X-OriginalArrivalTime: 21 Jan 2005 16:58:01.0863 (UTC) FILETIME=[5E062170:01C4FFDA] This is a multi-part message in MIME format. ------=_NextPart_000_00D5_01C4FFB0.566A23A0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable What he said! Very common question that I get and this is the correct = answer. DO NOT try to directly match the load with the breaker (or fuse = if you insist) rating. Tracy ----- Original Message -----=20 From: Jim Sower=20 To: Rotary motors in aircraft=20 Sent: Wednesday, January 19, 2005 9:00 PM Subject: [FlyRotary] Re: Fuel Pump Load I would be very inclined to use a dedicated breaker for each pump and=20 make them about double what the pump draw is. You're not protecting = the=20 pump IMO, but the wire leading to the pump (so a dead short doesn't = set=20 fire to your airplane). The LAST thing I'd want is a spurious / false = break (particularly if it shuts down ALL my pumps. I'd go for 15A or so ... Jim S. jewen wrote: >Can anyone let me know what the full load current is for >fuel pumps being used on Rotary applications. I am sizing >the wiring and braeker. >Thanks, >Joe > > =20 > >>> Homepage: http://www.flyrotary.com/ >>> Archive: = http://lancaironline.net/lists/flyrotary/List.html >>> =20 >>> > > > =20 > >> Homepage: http://www.flyrotary.com/ >> Archive: = http://lancaironline.net/lists/flyrotary/List.html ------=_NextPart_000_00D5_01C4FFB0.566A23A0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
What he said!  Very common question that I get and this is the = correct=20 answer.  DO NOT try to directly match the load with the breaker (or = fuse if=20 you insist) rating.
 
Tracy
----- Original Message -----
From: Jim Sower
To: Rotary motors in = aircraft
Sent: Wednesday, January 19, = 2005 9:00=20 PM
Subject: [FlyRotary] Re: Fuel = Pump=20 Load

I would be very inclined to use a dedicated breaker for = each=20 pump and
make them about double what the pump draw is.  = You're not=20 protecting the
pump IMO, but the wire leading to the pump (so a = dead short=20 doesn't set
fire to your airplane).  The LAST thing I'd want = is a=20 spurious / false
break (particularly if it shuts down ALL my = pumps.
I'd=20 go for 15A or so ... Jim S.

jewen wrote:

>Can anyone = let me=20 know what the full load current is for
>fuel pumps being used on = Rotary=20 applications.  I am sizing
>the wiring and=20 braeker.
>Thanks,
>Joe
>
> =20
>
>>> Homepage:  http://www.flyrotary.com/
>&= gt;>=20 Archive:   http://lancai= ronline.net/lists/flyrotary/List.html
>>>  &nbs= p;  =20
>>>
>
>
>  =
>

>> =20 Homepage:  http://www.flyrotary.com/
>&= gt; =20 Archive:   http://lancai= ronline.net/lists/flyrotary/List.html
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