Subject:
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Re: Pre-1995 strong pieces/attachments
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Newsgroups:
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lugnet.technic
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Date:
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Thu, 15 Mar 2001 10:13:51 GMT
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Viewed:
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1248 times
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>
> The grey pins seem to be slightly "looser" and I rarely have any problem with
> them.
>
> ROSCO
I thought that the whole idea of the introduction of the black pins was to
provide this friction. You use a grey pin when you need elements to rotate
about them and a black one when rigidity is required. I'm now wondering if
I should sort my black pins into 'slotted' and 'solid' and see which has
most friction. If the slotted ones allow rotation then I don't think they
are doing the job.
Psi
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Message has 2 Replies:
 | | Re: Pre-1995 strong pieces/attachments
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| (...) I agree, I think that is the difference between black & grey. I don't think there's significant difference in friction between "slotted" and "un-slotted" black pins, but they do (both kinds) allow some rotation, just not as much as the grey (...) (24 years ago, 15-Mar-01, to lugnet.technic)
| | | Re: Pre-1995 strong pieces/attachments
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| (...) They still allow rotation, albeit with some friction. I think the point of the black pegs is that they don't have any slack for movements other than rotation, unlike the grey ones. Jürgen (24 years ago, 15-Mar-01, to lugnet.technic)
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Message is in Reply To:
| | Re: Pre-1995 strong pieces/attachments
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| (...) what I've noticed is the black friction pins - many models I've bought already built I've found it extremely hard to remove these, requiring me to push with an axle very hard. A couple I haven't been able to remove at all - I had to drill them (...) (24 years ago, 15-Mar-01, to lugnet.technic)
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