X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sun, 27 Jul 2008 07:56:51 -0400 Message-ID: X-Original-Return-Path: Received: from mta11.adelphia.net ([68.168.78.205] verified) by logan.com (CommuniGate Pro SMTP 5.2.5) with ESMTP id 3043408 for lml@lancaironline.net; Sat, 26 Jul 2008 13:58:46 -0400 Received-SPF: pass receiver=logan.com; client-ip=68.168.78.205; envelope-from=super_chipmunk@roadrunner.com Received: from Laptop ([74.75.176.139]) by mta11.adelphia.net (InterMail vM.6.01.05.02 201-2131-123-102-20050715) with SMTP id <20080726175503.MADM11114.mta11.adelphia.net@Laptop> for ; Sat, 26 Jul 2008 13:55:03 -0400 X-Original-Message-ID: <7257195EA4324360AA89435F4B4AAB2C@Laptop> From: "Bill Wade" X-Original-To: "Lancair Mailing List" References: In-Reply-To: Subject: Re: [LML] Re: 51% rule X-Original-Date: Sat, 26 Jul 2008 13:58:08 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0057_01C8EF27.A20FB300" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6001.18000 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6001.18000 This is a multi-part message in MIME format. ------=_NextPart_000_0057_01C8EF27.A20FB300 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable That might have been true fifty years ago, but not now. When I studied = for the Airframe written a few years ago I had to learn about AND gates, = NAND gates, semiconductors,Ohm's and Kirchoff's Laws, AC circuits, how = to read circuit diagrams, et cetera, et cetera. Am I an expert? No. I don't know why the FAA put so much emphasis on circuit design when = they certainly don't want A&P's digging inside of radios or designing = new circuitry, but there it is. There was some information on = composites, especially repair of honeycomb structures. Generalized = information of that sort is of limited value. For most things you're = required to follow the manufacturer's manuals when you have to do a = repair. Even building the IV-P demonstrates the point: I had years of = experience working with Safety-Poxy. Jeffco is very different in terms = of wetout and curing- the techniques I used before don't always work. = Each manufacturer uses specific materials and processes that need to be = replicated when doing a repair. Mechanic's certification is at least the equivalent of a two-year = college degree. I got the signoff for the written based on years of = practical experience instead of schooling. Then the written and oral = testing took me two years of intensive part-time study and I still = haven't got a "P" yet. You learn what you need and retain what you use- Bill Wade =20 Grayhawk PS An A&P is trained to fix stuff designed in the middle of the last = century. I don't believe modern construction materials, Electrics, etc. = were a part of their training or testing. ------=_NextPart_000_0057_01C8EF27.A20FB300 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

That might have been true fifty years ago, but not now. When = I=20 studied for the Airframe written a few years ago I had to learn about = AND gates,=20 NAND gates, semiconductors,Ohm's and Kirchoff's Laws, AC = circuits, how to=20 read circuit diagrams, et cetera, et cetera. Am I an expert? No.

I don't know why the FAA put so much emphasis = on circuit=20 design when they certainly don't want A&P's digging inside = of=20 radios or designing new circuitry, but there it is. There was some = information=20 on composites, especially repair of honeycomb structures. Generalized=20 information of that sort is of limited value. For most things = you're=20 required to follow the manufacturer's manuals when you have to = do a=20 repair.

Even building the IV-P demonstrates the point: I = had years=20 of experience working with Safety-Poxy. Jeffco is very different in = terms of=20 wetout and curing- the techniques I used before don't always work. Each=20 manufacturer uses specific materials and processes that need to be = replicated=20 when doing a repair.

Mechanic's certification is at least the equivalent of a = two-year=20 college degree. I got the signoff for the written based on years of=20 practical experience instead of schooling. Then = the written and=20 oral testing took me two years of intensive part-time study and I still = haven't=20 got a "P" yet.

You learn what you need and retain what you = use- =20 Bill Wade

Grayhawk

PS An A&P is trained to fix stuff designed in the middle = of the=20 last century. I don't believe modern construction materials, = Electrics,=20 etc. were a part of their training or testing.

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