Re: Meccano bolts
- From: "moray" <mtb_hyphen_rules@xxxxxxxxxxxxx>
- Date: Fri, 29 Jun 2007 10:40:51 +0100
"pete" <pete@none> wrote in message
news:468426e0$0$27863$db0fefd9@xxxxxxxxxxxxxxxxx
moray wrote:
"Ken Wilson" <ken@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:f60vfl$9hn$1@xxxxxxxxxxx
I guess this is the right newsgroup for this one. Its not quite Sieg v
Myford but you can't get more uk.rec.models.engineering than meccano.....
My 7 yr old has one of the (French manufactured) meccano sets. Alas, he
is having difficulty because the nuts and bolts keep coming undone - and
its turning him off it.
I don't seem to remember having that much trouble 45 yrs ago when i used
to be an avid fan. Its not just him - even when i tighten them, they
will still work loose with ordinary handling.
The bolts are different from those I remember - these are allen headed
black things (diameter outside thread 3.5mm - sorry haven't got a thread
gauge). The nuts look similar to my youth - square not hexagonal but i
remember them as marginally thicker. There are many more bolt length
options than I ever used to have as well.
There are some nyloc nuts in the set and I have also locknutted the
critical ones and tried the old varnish trick on the thread but none of
these are a sensible solution. I did ask the chap with all the Army
Meccano models at Brighton exhibition earlier this year but he didn't
have the problem.
I guess the nuts or bolts are cheapo with too much clearance and I would
be perfectly happy to buy him some good ones if it means he xxx we can
get on with the big crane with motor - but what do I get and where from -
and would normal hexagonal nuts be Ok for 7 yr old fingers?
Ken
Is 3.5mm not a common(ish) metric size, and given that it's french, it's
highly unlikely going to be imperial.
It's still the same 5/32 bsw thread - but the new French stuff has
slightly smaller holes than the old meccano.
You mean the french have not modified something they never came up with?
Shame their vehicle designers couldn't try the same philosophy!
.
- References:
- Meccano bolts
- From: Ken Wilson
- Re: Meccano bolts
- From: moray
- Re: Meccano bolts
- From: pete
- Meccano bolts
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