Seep point motor alignment tool

Any questions about designing a model railway layout or problems with track work.
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End2end
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Re: Seep point motor alignment tool

Postby End2end » Tue Dec 13, 2016 1:42 pm

Unfortunatly Flashbang 12mm would poke out the top of the basebaord. :D
I have seen these ones and wonder if these would work.
They are stated as "A Range of Stainless Steel Pozidrive Pan Head Self Tapping Screws - No.4 (2.9 x 9.5mm)
http://www.ebay.co.uk/itm/161129578453? ... EBIDX%3AIT
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Flashbang
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Re: Seep point motor alignment tool

Postby Flashbang » Tue Dec 13, 2016 2:18 pm

End2end wrote:Unfortunatly Flashbang 12mm would poke out the top of the basebaord. :D
I have seen these ones and wonder if these would work.
They are stated as "A Range of Stainless Steel Pozidrive Pan Head Self Tapping Screws - No.4 (2.9 x 9.5mm)
http://www.ebay.co.uk/itm/161129578453? ... EBIDX%3AIT
Thanks
End2end

A 12mm woodscrew would not protrude through the baseboard top! You stated your baseboard are 11mm thick. Add to that the thickness of the Seeps circuit board of 1.5mm and the fact most screws are measured flat of head to tip, a 12mm long screw could not protrude!

The screws linked would also be ok as they are stating imperial sizes being No4 (2.9mm wide).
Broken? It was working correctly when I left it.

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End2end
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Re: Seep point motor alignment tool

Postby End2end » Tue Dec 13, 2016 2:45 pm

AHH! of course. Sorry I was having a brain fail moment. :?
I bought these for another project which are all M3 (I'm not sure exactly what size M3 means) and they fit through the seep fitting holes but have quite a bit of side to side movement in the holes.
http://www.ebay.co.uk/itm/291850306433? ... EBIDX%3AIT
These are not screws that will be used. I was just trying them out to try to get the size of the screws I need.
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Roger (RJ)
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Re: Seep point motor alignment tool

Postby Roger (RJ) » Tue Dec 13, 2016 4:48 pm

M3 means 3mm diameter, a metric screw size, very common, as are M4, M5, M6, M8 and M10 etc. Other sizes such as M3.5, M7 and M9 are not so common, though M3.5 is used for fixing screws for mains power sockets and light switches in the UK, and possibly other countries.
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End2end
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Re: Seep point motor alignment tool

Postby End2end » Tue Dec 13, 2016 4:56 pm

Thanks for the additional information Roger.
Does this equate that M4's are 4mm, M10's 10mm etc?
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Flashbang
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Re: Seep point motor alignment tool

Postby Flashbang » Tue Dec 13, 2016 5:12 pm

Basically yes
This may help which is for wood screws... http://www.diydoctor.org.uk/projects/screwsize.htm
Broken? It was working correctly when I left it.


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