At long last my own FAQs have had an update. I have already spotted a
couple of boo-boos after uploading, but comments welcome. The changes are
mostly of a minor nature but address some of the comments I have recieved
either in this NG or by email. Enjoy!

John Schmitt

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On Fri, 23 Sep 2005 12:26:51 +0100, John Schmitt wrote:

At long last my own FAQs have had an update.

D'oh URL:

http://www.axp.mdx.ac.uk/~john49/faq0.htm

John Schmitt

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At long last my own FAQs have had an update.

D'oh URL:

http://www.axp.mdx.ac.uk/~john49/faq0.htm

I expect it's in the faqs ;-)

mike

John Schmitt wrote:
At long last my own FAQs have had an update.

And very good they are too John. Well done.

You mention in the power drills section "if you intend to do a lot of
wire-brushing use an angle grinder with an appropriate brush".

I've been looking for a wire brush to fit my angle grinder for ages - anyone
know where I can get one?

Dave

In article ,
david lang wrote:
You mention in the power drills section "if you intend to do a lot of
wire-brushing use an angle grinder with an appropriate brush".

I've been looking for a wire brush to fit my angle grinder for ages -
anyone know where I can get one?

Wicks sell a sort of stripper thingie for angle grinders which has the
same sort of uses as a wire brush, but rather safer. I use it for
paint/surface rust removal on car stuff - it is very quick at that but
doesn't damage steel.

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david lang wrote:

I've been looking for a wire brush to fit my angle grinder for ages - anyone
know where I can get one?

http://www.screwfix.com/app/sfd/cat/...13451&ts=83192

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Dave Plowman (News) wrote:

Wicks sell a sort of stripper thingie for angle grinders which has the
same sort of uses as a wire brush, but rather safer. I use it for
paint/surface rust removal on car stuff - it is very quick at that but
doesn't damage steel.


Do you mean the 3M disks? I've used those quite a bit - they're great,
but they do wear down quite quickly.


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"John Schmitt" wrote in message
news
On Fri, 23 Sep 2005 12:26:51 +0100, John Schmitt wrote:

At long last my own FAQs have had an update.

D'oh URL:

http://www.axp.mdx.ac.uk/~john49/faq0.htm

I was appalled. Please delete it all and start all over again.

david lang wrote:
I've been looking for a wire brush to fit my angle grinder for ages - anyone
know where I can get one?

Should be widely available, as a "wire cup brush". Google
shows lots of examples, e.g.:

http://www.tooled-up.com/Product.asp...Site&PID=13956

You can also get "knotted" brushes, which are very hard and solid,
for heavy duty use. They're no good on anything delicate.

N.B. wear eye protection, the wires that break off will stick
into your skin so wear thick trousers or whatever, too!

david lang wrote:

I've been looking for a wire brush to fit my angle grinder for ages - anyone
know where I can get one?

All the usual suspects:

These are effective at light rust etc, and not too aggressive:

http://www.screwfix.com/app/sfd/cat/...14947&ts=85074

These are far harsher:

http://www.screwfix.com/app/sfd/cat/...13451&ts=85074
http://www.screwfix.com/app/sfd/cat/...69369&ts=85074

These are often a good half way house between conventional sanding and
wire brushing:

http://www.screwfix.com/app/sfd/cat/...19301&ts=85259

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Cheers,

John.

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Typo in cement faq:

Sulphate Resisting Portland Cement (SRPC) is for underground work,
particularly *rwith*

Also the latter half of that para seems to contradict the first bit:
"For the UK it is best to assume that this is the case. Rainwater is
effectively distilled water and contains only insignificant amounts of
sulphate."

Might want to update references to Dejanews to google...

Builders Vs Sharp sand. I had always associated Builders sand with soft
rather than sharp...

not read the rest yet, more anon... ;-)



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Cheers,

John.

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On Fri, 23 Sep 2005 16:07:47 +0100, John Rumm
wrote:

Also the latter half of that para seems to contradict the first bit:
"For the UK it is best to assume that this is the case. Rainwater is
effectively distilled water and contains only insignificant amounts of
sulphate."

I see I'll have to explain about how rainwater dissolves sulphates out of
the soil when it becomes groundwater. Reading through them myself I see a
whole load of bits that _still_ need work. London clay, if you go deep
enough (10m) contains the odd gypsum (calcium sulphate dihydrate) crystal.

John Schmitt

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John Schmitt wrote:

I see I'll have to explain about how rainwater dissolves sulphates out
of the soil when it becomes groundwater. Reading through them myself I
see a whole load of bits that _still_ need work. London clay, if you go
deep enough (10m) contains the odd gypsum (calcium sulphate dihydrate)
crystal.

Yup, must admit I did not pick up the change of context from ground to
rainwater... it would be easy to assume they are equal as well.

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Cheers,

John.

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On Fri, 23 Sep 2005 16:37:48 +0100, John Rumm
wrote:


Yup, must admit I did not pick up the change of context from ground to
rainwater... it would be easy to assume they are equal as well.

The previous rewrites have now been superseded. A whole lot of pytos have
been eliminated, weblinks added and further explanation and information
included. Could've wasted the weekend on fence painting.

John Schmitt

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