X-OldHeader: From eeiseman@worldnet.att.net-DeleteThis.com Wed Aug 15 12:02:19 2001 Return-Path: <eeiseman@worldnet.att.net-DeleteThis.com> Received: from opus.labs.agilent.com (root@opus.labs.agilent.com-DeleteThis.com [130.29.244.179]) by jr.labs.agilent.com (8.9.3 (PHNE_18979)/8.9.3 AgilentLabs Workstation) with ESMTP id MAA18626 for <wind_talk_ls@jr.labs.agilent.com-DeleteThis.com>; Wed, 15 Aug 2001 12:02:19 -0700 (PDT) Received: from msgbas1.cos.agilent.com (msgbas1.cos.agilent.com [130.29.152.58]) by opus.labs.agilent.com (8.9.3 (PHNE_18979)/8.9.3 AgilentLabs Workstation) with ESMTP id MAA20091 for <wind_talk@opus.labs.agilent.com-DeleteThis.com>; Wed, 15 Aug 2001 12:02:13 -0700 (PDT) Received: from mtiwmhc24.worldnet.att.net (mtiwmhc24.worldnet.att.net [204.127.131.49]) by msgbas1.cos.agilent.com (Postfix) with ESMTP id C713C2D8 for <wind_talk@opus.labs.agilent.com-DeleteThis.com>; Wed, 15 Aug 2001 13:02:17 -0600 (MDT) Received: from default ([12.72.108.136]) by mtiwmhc24.worldnet.att.net (InterMail vM.4.01.03.16 201-229-121-116-20010115) with SMTP id <20010815190216.CVCE3707.mtiwmhc24.worldnet.att.net@default> for <wind_talk@opus.labs.agilent.com-DeleteThis.com>; Wed, 15 Aug 2001 19:02:16 +0000 Message-ID: <007201c125bb$c5323ac0$886c480c@default> From: "Erik Eiseman" <eeiseman@worldnet.att.net-DeleteThis.com> To: <wind_talk@opus.labs.agilent.com-DeleteThis.com> References: <6D61E14565E3D41190DC00D0B78EE4CB018BF84A@nvrocky.nvidia.com-DeleteThis.com> Subject: Re: 2 piece skinny mast Date: Wed, 15 Aug 2001 11:54:50 -0700 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.3018.1300 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.3018.1300
How to tie knots:
http://www.korpegard.nu/knot/index.php?knot=1&hideComments=&showInt=
in case there are others out there.
----- Original Message -----
From: "Bob Prevett" <prevett@nvidia.com-DeleteThis.com>
To: "Multiple recipients of list WIND_TALK"
<wind_talk@opus.labs.agilent.com-DeleteThis.com>
Sent: Wednesday, August 15, 2001 11:26 AM
Subject: RE: 2 piece skinny mast
>
>
> >Any ideas on how to separate a skinny 2 piece mast.
> >
> >I've tried:
> >Shaking
> >hot water on it
> >pulling
>
> There a bunch of ways that work pretty well for seperating a stuck mast:
> clamping booms on mast top and bottoms and twisting, shaking, etc. But
> there is one method that has never failed for me. and for others' masts
that
> I have volunteered to seperate.
>
> - Get a very strong piece of rope or plastic-sheathed steel cable.
Standard
> downhaul line is marginal; kevlar line is better. The rope/cable must
have
> little to no stretch in it.
>
> - Find some post/pole that is strongly anchored in the ground, preferably
> with a concrete footing. My favorite choice is fire hydrant.
>
> - Use a clove hitch to tie end of the line to the bottom end of the mast a
> few feet up from the bottom. I usually throw in a few extra wraps in the
> clove hitch. Tie some sort of keeper knot with the free end after the
clove
> hitch is tied. If you don't know what a clove hitch is, look it up on the
> web or in a sailing/boat book.
>
> - Tie the other end of the rope/cable around the fixed footing. A bowline
> knot with a keeper knot works very well, but any non-slip knot will do.
>
> - Grap the top part of the mast a few feet above the joint, take the slack
> out of the rope/cable and give it sharp tugs. The mast should pop right
> out.
>
> - The key is to have a good shock on the tug, so keep the rope relatively
> short, make sure it has very little stretch in it.
>
> - The only time this method fails is when the rope breaks or the knot
isn't
> tied well and comes out.
>
> - This method does not harm the mast since the direction of pull/shock is
> directly in line with the length of the mast. And that is exactly why it
> works so well. There is no sideways force on the joint; the force is in
> line with the mast.
>
> Bob
>
>
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