Subject:
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Re: Wheels with/without metal axle
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Newsgroups:
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lugnet.cad.dat.parts
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Date:
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Wed, 29 Sep 2004 18:10:40 GMT
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Viewed:
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4652 times
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In lugnet.cad.dat.parts, Steve Bliss wrote:
> In lugnet.cad.dat.parts, Guy Vivan wrote:
>
> > Sorry if my english is not very well.
>
> Not a big deal. As long as we're communicating, it's OK. :)
>
> > I've create Wheel Axle Metal (x568s03.dat), because size of 35b.dat is not
> > good.
>
> Please don't do that. If there are problems in files, then let's correct the
> errors (or come to agreement that they aren't actually errors).
>
> > The corect size (diameter) for this part should be 6LDU and not 8LDU.
> > For understand this size, see the my Technic Axle Adapter (x573.dat).
>
> Uh, what is x573? Is it used in some part?
>
> > An axle for whel must can be introduce in a Technic axle hole.
> > It's only possible if the diameter of axle is inferior of axlehole.
> > The wheel old used an axle metal don't use a corect diameter.
> > It's time for corect all wheel parts with a good size of axle.
> > And corect all elements with use an axle Ex : 7049.dat etc...
>
> Since I don't have any of these wheels, I'll take your word that these metal
> axles fit into technic cross-axle holes.
>
> But before we go changing existing files, can we get someone to take a caliper
> to one of these axles? Just so we'll have a real-world measurement to start
> from?
I have measured several of these metal axles with a caliper from different kinds
of wheels (studded train wheel with traction teeth, studded train wheel conical
hub, spoked train wheel conical hub, spoked train wheel straight hub, studded
wheel for rubber tyre (tyre 132-old), spoked wheel for rubber tyre (tyre
132-old), large studded wheel for rubber tyre (tyre 36) and large spoked wheel
for rubber tyre (tyre 36).
All axles have a 3 mm diameter. With 1 LDU = 0.4 mm this makes the radius 7.5
LDU.
Niels
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Message has 2 Replies:
 | | Re: Wheels with/without metal axle
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| (...) Thanks for doing this, Niels. Is changing the diameter of these axles from 8 to 7.5 really worth it? They still won't fit in most axleholes, because LDraw's axles don't fit the actual geometry of technic axleholes. However, I am *not* (...) (20 years ago, 29-Sep-04, to lugnet.cad.dat.parts)
| | | Re: Wheels with/without metal axle
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| (...) If possible, can you measure the distance diagonally across the minimum radius part of a cross axle? My guess is this problem has shown up because the concave curve at that point of the cross axles has not been modelled in the Ldraw (...) (20 years ago, 29-Sep-04, to lugnet.cad.dat.parts)
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Message is in Reply To:
| | Re: Wheels with/without metal axle
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| (...) Not a big deal. As long as we're communicating, it's OK. :) (...) Please don't do that. If there are problems in files, then let's correct the errors (or come to agreement that they aren't actually errors). (...) Uh, what is x573? Is it used (...) (20 years ago, 29-Sep-04, to lugnet.cad.dat.parts)
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