X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: <13brv3@bellsouth.net> Received: from imf17aec.mail.bellsouth.net ([205.152.59.65] verified) by logan.com (CommuniGate Pro SMTP 4.3c5) with ESMTP id 922411 for flyrotary@lancaironline.net; Mon, 02 May 2005 12:22:06 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.65; envelope-from=13brv3@bellsouth.net Received: from rd ([65.6.194.9]) by imf17aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20050502162121.OBMS2434.imf17aec.mail.bellsouth.net@rd> for ; Mon, 2 May 2005 12:21:21 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: finally changed to fuses vs circuit breakers Date: Mon, 2 May 2005 11:21:28 -0500 Message-ID: <024901c54f32$fe9146e0$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_024A_01C54F09.15BB3EE0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_024A_01C54F09.15BB3EE0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable You've been working field service long enough to know that fuses go bad, too. They de-solder; they break due to vibration; the ends corrode and lose connectivity. I've seen this happen on cheesy fuse holders. I have never seen, or = heard of it happening on an automotive fuse. Now, don't start telling me = stories of some crappy old car that had rats in the fuse holder, because that = ain't comparable. =20 =20 I have items like fuel pumps separately fused, and to the wiring rating, = so they should never blow unless there's a good reason. Items like the = EC-2 are directly tied to power, via two attachment points. This is how = Tracy recommends it, because the controller will be it's own fuse. =20 =20 If I had the panel space, and believed CB's offered any significant = benefit, I wouldn't care about the cost and weight. =20 =20 Gotta go pick up my new company van, and replace a switch in Mobile. =20 Rusty (discussion for entertainment only) =20 =20 =20 ------=_NextPart_000_024A_01C54F09.15BB3EE0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

You've been working field service long enough to = know
that=20 fuses go bad, too.  They de-solder; they break due to
vibration; = the=20 ends corrode and lose connectivity.

I've = seen this happen on=20 cheesy fuse holders.  I have never seen, or heard of it = happening on=20 an automotive fuse.  Now, don't start telling me stories of = some=20 crappy old car that had rats in the fuse holder, because that ain't=20 comparable.  
 
I have = items like fuel=20 pumps separately fused, and to the wiring rating, so they should never = blow=20 unless there's a good reason.  Items like the EC-2 = are directly tied=20 to power, via two attachment points.  This is how Tracy recommends = it,=20 because the controller will be it's own = fuse.  
 
If I had = the panel=20 space, and believed CB's offered any significant benefit, I wouldn't = care about=20 the cost and weight.  
 
Gotta go = pick up my new=20 company van, and replace a switch in Mobile.
 
Rusty (discussion for = entertainment=20 only)
 
 
 
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