A cautionary tale!

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Alex wrote:
> Here's why you DON'T use an angle grinder near a charging battery...
>
> http://www.cbmsys.co.uk/photo/dsc00031_small.jpg
>

What's really scary is when they develop a high-resitance connection
that gets hot internally and do that on their own without an external
ignition source. I've seen the results of one doing that underbonnet in
an old Cortina and also had one self-destruct in the workshop whilst on
charge overnight.

Ayway, I hope nobody was hurt and that there isn't too much acid to
clean up.


--
EMB
 
On Fri, 14 Oct 2005 00:07:11 GMT, Nikki <[email protected]>
wrote:

>in article [email protected], Alex at
>[email protected] wrote on 14/10/05 12:35 am:
>
>> Here's why you DON'T use an angle grinder near a charging battery...
>>
>> http://www.cbmsys.co.uk/photo/dsc00031_small.jpg
>>
>> Alex
>
>
>I hope no-one was hurt.

Fortunatly no-one was hurt, although i did get splashed by acid. Given
me some little red blotches on my forearms from very mild acid burns.
Took about 2 hours and a large bottle of caustic soda to clean that
lot up.

Alex
 
Alex wrote:
> On Fri, 14 Oct 2005 00:07:11 GMT, Nikki <[email protected]>
> wrote:
>
>> in article [email protected], Alex at
>> [email protected] wrote on 14/10/05 12:35 am:
>>
>>> Here's why you DON'T use an angle grinder near a charging battery...
>>>
>>> http://www.cbmsys.co.uk/photo/dsc00031_small.jpg
>>>
>>> Alex
>>
>>
>> I hope no-one was hurt.
>
> Fortunatly no-one was hurt, although i did get splashed by acid. Given
> me some little red blotches on my forearms from very mild acid burns.
> Took about 2 hours and a large bottle of caustic soda to clean that
> lot up.
>
> Alex

I would also suggest you don't wear a fleece whilst using an angle grinder.
I set myself on fire doing just that. It was my garage fleece and was
covered in oil and grease, burns nice. Was a zip up the front one so came
off very quick. Was nice and warm though, would have been good on a cold
day.

Nigel
--
nigel@leginDOTorg
1979 Lightweight


 
> I would also suggest you don't wear a fleece whilst using an angle
grinder.
> I set myself on fire doing just that.

Aye. I set my padded shirt on fire the same way. I managed to pat it out
with a gloved hand.
Wife has referred to it as my smoking jacket ever since.
TonyB


 

"TonyB" <[email protected]> wrote in message
news:[email protected]...
> > I would also suggest you don't wear a fleece whilst using an angle
> grinder.
> > I set myself on fire doing just that.
>
> Aye. I set my padded shirt on fire the same way. I managed to pat it out
> with a gloved hand.
> Wife has referred to it as my smoking jacket ever since.
> TonyB
>
>

I remember in the 80's having a girl in my science class with a big afro
full of coconut oil leaning over a bunsen burner; when I looked up all I
could see was a stream of thick white fumes coming off her head. Certainly
taught me a lesson, years later we had a warning to take care with kids and
hair gel which has the same effect.


 
in article [email protected], Alex at
[email protected] wrote on 14/10/05 7:19 pm:

> On Fri, 14 Oct 2005 00:07:11 GMT, Nikki <[email protected]>
> wrote:
>
>> in article [email protected], Alex at
>> [email protected] wrote on 14/10/05 12:35 am:
>>
>>> Here's why you DON'T use an angle grinder near a charging battery...
>>>
>>> http://www.cbmsys.co.uk/photo/dsc00031_small.jpg
>>>
>>> Alex
>>
>>
>> I hope no-one was hurt.
>
> Fortunatly no-one was hurt, although i did get splashed by acid. Given
> me some little red blotches on my forearms from very mild acid burns.
> Took about 2 hours and a large bottle of caustic soda to clean that
> lot up.
>
> Alex


Caustic Soda is pretty nasty stuff too. Bruce uses it to dip and strip
doors and furniture. He keeps an old squeezy bottle with white vinegar in
for any occassional splashes that get past protective clothing.
--
Nikki

2000 Discovery V8
1990 Discovery V8
1979 Lightweight 2.25 petrol
1976 Series lll 2.25 petrol - in need of repair

 

"Nikki" <[email protected]> wrote in message
news:BF75E51F.3C96%[email protected]...
> in article [email protected], Alex at
> [email protected] wrote on 14/10/05 7:19 pm:
>
> > On Fri, 14 Oct 2005 00:07:11 GMT, Nikki <[email protected]>
> > wrote:
> >
> >> in article [email protected], Alex at
> >> [email protected] wrote on 14/10/05 12:35 am:
> >>
> >>> Here's why you DON'T use an angle grinder near a charging battery...
> >>>
> >>> http://www.cbmsys.co.uk/photo/dsc00031_small.jpg
> >>>
> >>> Alex
> >>
> >>
> >> I hope no-one was hurt.
> >
> > Fortunatly no-one was hurt, although i did get splashed by acid. Given
> > me some little red blotches on my forearms from very mild acid burns.
> > Took about 2 hours and a large bottle of caustic soda to clean that
> > lot up.
> >
> > Alex
>
>
> Caustic Soda is pretty nasty stuff too. Bruce uses it to dip and strip
> doors and furniture. He keeps an old squeezy bottle with white vinegar in
> for any occassional splashes that get past protective clothing.
> --
> Nikki
>
> 2000 Discovery V8
> 1990 Discovery V8
> 1979 Lightweight 2.25 petrol
> 1976 Series lll 2.25 petrol - in need of repair

you are right there Nicky and mixing the two creates heat as well
Bicarbonate of Soda( Sodium Hyrogen Carbonate solution) is better to
neutralise battery acid as it doesnt react as violently or attack the skin
or metal afterwards but the best advice is plenty of water to dilute and
remove clothing which has become contaminated
Derek


 
>>>
>>>> Here's why you DON'T use an angle grinder near a charging battery...
>>>>
>>>> http://www.cbmsys.co.uk/photo/dsc00031_small.jpg
>>>>

>>> I hope no-one was hurt.
>>
>> Fortunatly no-one was hurt, although i did get splashed by acid. Given
>> me some little red blotches on my forearms from very mild acid burns.
>> Took about 2 hours and a large bottle of caustic soda to clean that
>> lot up.
>>
>> Alex
>
>I would also suggest you don't wear a fleece whilst using an angle grinder.
>I set myself on fire doing just that. It was my garage fleece and was
>covered in oil and grease, burns nice. Was a zip up the front one so came
>off very quick. Was nice and warm though, would have been good on a cold
>day.
>

Yes, i've had fleeces smouldering before whilst using an angle
grinder. Oxy-acetelene welding is also not a good idea in a
fleece.....

Alex
 
>> >>> Here's why you DON'T use an angle grinder near a charging battery...
>> >>>
>> >>> http://www.cbmsys.co.uk/photo/dsc00031_small.jpg
>> >>>
>> >>> Alex
>> >>
>> >> I hope no-one was hurt.
>> >
>> > Fortunatly no-one was hurt, although i did get splashed by acid. Given
>> > me some little red blotches on my forearms from very mild acid burns.
>> > Took about 2 hours and a large bottle of caustic soda to clean that
>> > lot up.
>> >
>> Caustic Soda is pretty nasty stuff too. Bruce uses it to dip and strip
>> doors and furniture. He keeps an old squeezy bottle with white vinegar in
>> for any occassional splashes that get past protective clothing.
>> --
>
>you are right there Nicky and mixing the two creates heat as well
>Bicarbonate of Soda( Sodium Hyrogen Carbonate solution) is better to
>neutralise battery acid as it doesnt react as violently or attack the skin
>or metal afterwards but the best advice is plenty of water to dilute and
>remove clothing which has become contaminated
>Derek

Good old-fashioned ph-alkaline soap is the best for washing skin after
acid spills, as it not only dilutes but also neutralises. Modern
liquid soaps and cleansers don't work. Oh, and don't forget to rinse
the clothes in soapy water first, otherwise you find they develop
holes in them a couple of days later.

As it happened, i didn't have any bicarb handy, or would have used it.
The caustic soda works quite well, although it does have a tendancy to
fizz and give off gas as it goes.

The worktop the battery was sitting on is an old ex-government plastic
coated table top, which was quite undamaged by either the battery
acid, caustic soda or the resulting reaction. It also stands up to
Tricholroethene quite well.

Alex

 
Last time I spilt battery acid on myself I neutralised it with bicarb of
soda

Ruined a pair of trousers though.


--
Larry
Series 3 rust and holes


"Nikki" <[email protected]> wrote in message
news:BF75E51F.3C96%[email protected]...
> in article [email protected], Alex at
> [email protected] wrote on 14/10/05 7:19 pm:
>
>
> Caustic Soda is pretty nasty stuff too. Bruce uses it to dip and strip
> doors and furniture. He keeps an old squeezy bottle with white vinegar in
> for any occassional splashes that get past protective clothing.
> --
> Nikki
>
> 2000 Discovery V8
> 1990 Discovery V8
> 1979 Lightweight 2.25 petrol
> 1976 Series lll 2.25 petrol - in need of repair
>


 
Alex wrote:

>>>>>>Here's why you DON'T use an angle grinder near a charging battery...
>>>>>>
>>>>>>http://www.cbmsys.co.uk/photo/dsc00031_small.jpg
>>>>>>
>>>>>>Alex
>>>>>
>>>>>I hope no-one was hurt.
>>>>
>>>>Fortunatly no-one was hurt, although i did get splashed by acid. Given
>>>>me some little red blotches on my forearms from very mild acid burns.
>>>>Took about 2 hours and a large bottle of caustic soda to clean that
>>>>lot up.
>>>>
>>>
>>>Caustic Soda is pretty nasty stuff too. Bruce uses it to dip and strip
>>>doors and furniture. He keeps an old squeezy bottle with white vinegar in
>>>for any occassional splashes that get past protective clothing.
>>>--
>>
>>you are right there Nicky and mixing the two creates heat as well
>>Bicarbonate of Soda( Sodium Hyrogen Carbonate solution) is better to
>>neutralise battery acid as it doesnt react as violently or attack the skin
>>or metal afterwards but the best advice is plenty of water to dilute and
>>remove clothing which has become contaminated
>>Derek
>
>
> Good old-fashioned ph-alkaline soap is the best for washing skin after
> acid spills, as it not only dilutes but also neutralises. Modern
> liquid soaps and cleansers don't work. Oh, and don't forget to rinse
> the clothes in soapy water first, otherwise you find they develop
> holes in them a couple of days later.
>
> As it happened, i didn't have any bicarb handy, or would have used it.
> The caustic soda works quite well, although it does have a tendancy to
> fizz and give off gas as it goes.
>
> The worktop the battery was sitting on is an old ex-government plastic
> coated table top, which was quite undamaged by either the battery
> acid, caustic soda or the resulting reaction. It also stands up to
> Tricholroethene quite well.
>
> Alex
>
handy workbench then most would have soaked it up turned black and
smoked.When I worked in a lab (first job after school) we used to have
labcoats and pants that looked like mutant moths had been holding
parties and I rarely had all my fingers in the natural colours.We used
pretty much every nasty compound known to man in the electroplating
industry I have to confess we did use a mild caustic solution as hand
wash after getting chromic acid burns ( split gloves pretty well every
week) but who wants to go around with a couple of brown fingers people
talk you know.It gives you nice soft hands by dissolving off the hard
skin. Glad you weren't too close then its one of those learning
experiences you will never repeat btw the gas given off by the mixture
of caustic and sulphuric is Hydrogen with usually a spot of sulpher
dioxide thrown in for good measure.
Derek
 
so Hirsty's was, like...
>
> I remember in the 80's having a girl in my science class with a big
> afro full of coconut oil leaning over a bunsen burner; when I looked
> up all I could see was a stream of thick white fumes coming off her
> head. Certainly taught me a lesson, years later we had a warning to
> take care with kids and hair gel which has the same effect.

As an ex-teacher who was around in the 80s I find this very funny. Bear in
mind that if the same thing happened today you would be in prison and
awaiting the death penalty for this blatant breach of every H&S directive in
the book.

--
Rich
==============================
Disco 300 Tdi auto
S2a 88" SW
Tiggrr (V8 trialler)


 
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