X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imo-m25.mx.aol.com ([64.12.137.6] verified) by logan.com (CommuniGate Pro SMTP 5.1.12) with ESMTP id 2375364 for flyrotary@lancaironline.net; Mon, 08 Oct 2007 10:51:11 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.137.6; envelope-from=Lehanover@aol.com Received: from Lehanover@aol.com by imo-m25.mx.aol.com (mail_out_v38_r9.2.) id q.cf2.1bcf2027 (32915) for ; Mon, 8 Oct 2007 10:50:28 -0400 (EDT) From: Lehanover@aol.com Message-ID: Date: Mon, 8 Oct 2007 10:50:28 EDT Subject: Re: [FlyRotary] Re: Hose clamp myth busters To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1191855028" X-Mailer: 9.0 Security Edition for Windows sub 5378 X-Spam-Flag: NO -------------------------------1191855028 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 10/8/2007 9:43:21 A.M. Eastern Daylight Time, echristley@nc.rr.com writes: Spring clams? Shame on you. > > > Why? Al mentioned the small area possibly damaging the hose, but they are easily had that are made from flat spring. They are used in everything from cars to washing machines, providing years of service without even a seeping of water. When I try to get one off that has been on for a few years, it is generally a fight to remove the clamp, then it's generally a no-holds-barred brawl to get the hose off the nipple. I've never seen one fail by letting go or cutting the hose in any the junkers that I've driven or been responsible for keeping up over the years. Considering that the laws of physics don't change just because the wheels leave the ground, what mechanism will make the spring clamps let go in an airplane when they don't let go in any of the other situations? It should have been clamps, not "clams" Sorry. It was a joke.......There are just about no rules in home building. It is an "anything goes" situation until the inspector gets there. And then it can be anything from MIL-Spec everything, to anything goes again. My first year at the Sun&Fun fly-in, I saw vinyl garden hose and spring clamps in several applications. So, either the inspector didn't see it or it had never been inspected, or it had been and the inspector thought it was acceptable for aircraft use. Time and time again, experienced people place themselves in situations where another second or two of engine power, is the difference between an interesting story, and a heart wrenching tragedy. Last fall two pilots, in a borrowed Bonanza, hit the edge of a ditch off the end of a long runway. No engine power left to manage. Another 12 inches of altitude. Another second of power and they could have been explaining this story to the FAA or plane owner, or others at the next meeting. They lived for weeks with terrible injuries, and both died leaving behind astounding medical bills and shattered families. Spring clamps are acceptable on vacuum hoses to power some back up gages. Lynn E. Hanover ************************************** See what's new at http://www.aol.com -------------------------------1191855028 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

In a message dated 10/8/2007 9:43:21 A.M. Eastern Daylight Time,=20 echristley@nc.rr.com writes:

<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>Spring=20 clams? Shame on you.
>
>
> =20
Why?

Al mentioned the small area possibly damaging the hose, bu= t=20 they are
easily had that are made from flat spring. They are use= d in=20 everything
from cars to washing machines, providing years of service=20 without even a
seeping of water. When I try to get one off that=20= has=20 been on for a few
years, it is generally a fight to remove the clamp,=20= then=20 it's generally
a no-holds-barred brawl to get the hose off the=20 nipple. I've never seen
one fail by letting go or cutting the ho= se=20 in any the junkers that I've
driven or been responsible for keeping up= =20 over the years.

Considering that the laws of physics don't change j= ust=20 because the
wheels leave the ground, what mechanism will make the spri= ng=20 clamps let
go in an airplane when they don't let go in any of the othe= r=20 situations?

It should have been clamps, not "clams" Sorry.

It was a joke.......There are just about no rules in home building. It=20= is=20 an "anything goes" situation until the inspector gets there. And then it can= be=20 anything from MIL-Spec everything, to anything goes again.

My first year at the Sun&Fun fly-in, I saw vinyl garden hose and sp= ring=20 clamps in several applications. So, either the inspector didn't see it or it= had=20 never been inspected, or it had been and the inspector thought it was accept= able=20 for aircraft use.

Time and time again, experienced people place themselves in situations=20 where another second or two of engine power, is the difference between an=20 interesting story, and a heart wrenching tragedy. Last fall two pilots, in a= =20 borrowed Bonanza, hit the edge of a ditch off the end of a long runway. No=20 engine power left to manage. Another 12 inches of altitude. Another sec= ond=20 of power and they could have been explaining this story to the FAA or plane=20 owner, or others at the next meeting. They lived for weeks with terrible=20 injuries, and both died leaving behind astounding medical bills and shattere= d=20 families.

Spring clamps are acceptable on vacuum hoses to power some back up=20 gages.

Lynn E. Hanover

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