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Message from discussion Doubleplusgood - first impressions
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Iain Chalmers  
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 More options Feb 19 2007, 4:05 pm
Newsgroups: aus.motorcycles
From: Iain Chalmers <bigi...@mightymedia.com.au>
Date: Mon, 19 Feb 2007 16:05:59 +1100
Local: Mon, Feb 19 2007 4:05 pm
Subject: Re: Doubleplusgood - first impressions
In article <i_9Ch.871$8U4....@news-server.bigpond.net.au>,
 Andrew McKenna <NOcmorSPAM3...@NObigpond.SPAMnet.au> wrote:

> Iain Chalmers wrote:

> >> Watch out for lightning strike!

> >> --
> >> Cheers

> >> Andrew

> >> (Make a lightning rod by gluing a blunt ferrous rod to the top of the
> >> motorcycle helmet, attaching a 4 metre length of copper strap to the rod
> >> with copper wire, and attaching a suitable boat anchor to the free end
> >> of the strap to make sure it stays earthed - any Windows 98 computer
> >> would do.)

> > A _blunt_ rod? Have you been taking physics lessons from Hamish again?

> > big

<snip>

> The results of this study suggest that moderately blunt metal rods
> (with tip height­to­tip radius of curvature ratios of about 680:1) are
> better lightning strike receptors than are sharper rods or very blunt
> ones.

OK, I'm wrong (again)...

(at least I'm not alone, it does say "It is commonly believed,
erroneously, that a rod ending in a sharp point at the peak is the
best"... )

big

--
"Everything you love, everything meaningful with depth and history,
all passionate authentic experiences will be appropriated, mishandled,
watered down, cheapened, repackaged, marketed and sold to the people
you hate."  Mr Jalopy quoting Hooptyrides (on jalopyjunktown.com)


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