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From: Eddie van den Hurk <vdh_at_xtra.co.nz>
subject: [Paddlewise] exploding flares
Date: Sat, 03 Oct 1998 19:05:10 +1200
Kia Ora,

This might interest some of you.
An article in our club newsletter discribed how a guide was badly hurt
when a handflare exploded.
While distributing the handflares along side the kayaks ready for his
customers he dropped one.About one or two seconds later, a mighty bang
and his jaw was hit by pieces and broken in two places,aswell as cutting
an artery,a facial nerve,saliva duct he was bleeding freely.
The handflare was a Wessix Mk 7.Each flare was stored in a canister made
out of 40mm plastic pipe with end caps cemented on.
The drill was, that after each trip the flares were removed from the
cannisters and placed on a rack to dry.before the next trip they were
inspected and replaced in the cannisters. 
The clients would than be instructed in the use of the flares and
storage.On occasions durin inspection it was found that the flares were
left in the firing position.
However fragments were recovered and it appears the flare itself
exploded.This -it states- "would have been caused by the high pressures
inside the canister".
Holes have now been drilled in the cannisters and covered by a length 
of bicycle inner tube,so it allows excessive pressure to escape,without
allowing the water in..This modification has been tested by the
Department of Labour........
****** The question that I ask myself is can this happen without being
dropped ?
Say inside the boat or on top due to heat or rough seas ?
Any experts on this subject ?
Enjoy life,
Eddie.
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From: Alex Ferguson <a.ferguson_at_chem.canterbury.ac.nz>
subject: Re: [Paddlewise] exploding flares
Date: Mon, 05 Oct 1998 08:55:48 +0000
> An article in our club newsletter discribed how a guide was badly hurt
> when a handflare exploded. ........

> On occasions durin inspection it was found that the
> flares were left in the firing position. ..........

> ****** The question that I ask myself is can this happen without being
> dropped ?
> Say inside the boat or on top due to heat or rough seas ?

What Eddie might have missed and what the guiding 
copmpany's rep told us at the kayak forum was that, being in 
the firing position, the flare was dropped (in its container) 
and it now "fired". The explosion was caused by being in a 
sealed container. Normally a flare can burn and the gasses 
expand at the correct rate when in free air. The key part to 
the whole episode was that the flare was triggered as it 
would be if done intentionally (except of course for the 
container).

(You missed a good sea kayak forum Eddie, we always have 
good weather when they are held in the South Island !!!!!!)

"This is a "dig" because the Auckland one (where Eddie 
lives) always has attrocious weather - always, right? "

Alex
--
----------------------------------------------------
Alex Ferguson      a.ferguson_at_chem.canterbury.ac.nz
Electronics Workshop, Chem Dept, Univ of Canterbury
Christchurch, New Zealand
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From: Eddie van den Hurk <vdh_at_xtra.co.nz>
subject: Re: [Paddlewise] exploding flares
Date: Tue, 06 Oct 1998 20:12:20 +1300
Alex Ferguson wrote:

> > An article in our club newsletter discribed how a guide was badly
> hurt
> > when a handflare exploded. ........
>
> > On occasions durin inspection it was found that the
> > flares were left in the firing position. ..........
>
> > ****** The question that I ask myself is can this happen without
> being
> > dropped ?
> > Say inside the boat or on top due to heat or rough seas ?
>
> What Eddie might have missed and what the guiding
> copmpany's rep told us at the kayak forum was that, being in
> the firing position, the flare was dropped (in its container)
> and it now "fired". The explosion was caused by being in a
> sealed container. Normally a flare can burn and the gasses
> expand at the correct rate when in free air. The key part to
> the whole episode was that the flare was triggered as it
> would be if done intentionally (except of course for the
> container).
> Kia Ora

Hi Alex,Thanks for this info.I read this article in ASKNET  and KASK
newsletters ,which gave the impression that this was a recent local
accident accident.******

> (You missed a good sea kayak forum Eddie, we always have
> good weather when they are held in the South Island !!!!!!)

> ****Sorry about that but it was a 1000 km drive plus Ferry costs, I am
> a pensioner don't forget............*******

Yes you had fine weather in Nelson about 6% more sunshine than Auckland
last year.Is that why the wearing of clothes was optional in that
camping? It must have been a sight for "sore eyes". :-))) **********

> "This is a "dig" because the Auckland one (where Eddie
> lives) always has attrocious weather - always, right? "

But our water temperatures are  bearable at least.Not Polarbearable like
down South.*******

> I will see you up here after Christmas??Meanwhile enjoy life my
> friend.

Regards all
Eddie.

> --
> ----------------------------------------------------
>
> ****************************************************
> **********************




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