Subject:
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Re: Axle joiner angles
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 12 Dec 2000 00:50:34 GMT
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Viewed:
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1305 times
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I think these just correspond to the splines on the old connectors which
they replace. I haven't checked it, but I think the splines are every 12.5
degrees. The connectors are too chunky to make accute angles, so they only
do the obtuse angles:
0.0 #1
22.5 accute
45.0 accute
67.5 accute
90.0 #6
112.5 #3
135.0 #4
157.5 #5
180.0 #2
#4 connectors exist, but they are rare, and they are 135 degrees. They are in
8446 and 8448 and some other sets.
In lugnet.robotics, Brian B. Alano writes:
> I suspect the crux of your answer lies in the 3-4-5 triangle. [NOT! read
> on to see why this isn't true!]
> Ok, that wasn't the answer.
>
> Anybody else?
>
> > connect two axles at an angle.
> >
> > The angles Lego have chosen to supply seem incredibly
> > non-useful (apart from the obvious 180 and 90 degree ones).
> >
> > Each part also has a number on it. Here is a table of the
> > angles for each one:
> >
> > 1 : 0 deg (well, it takes just one axle)
> > 2 : 180 deg
> > 3 : 112.5 deg
> > 5 : 157.5 deg
> > 6 : 90 deg
> >
> >
> > There must be method in their madness - but I'm damned if I can see
> > what it is.
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Message has 1 Reply:
 | | Re: Axle joiner angles
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| Oops. It looks like in your list you exchanged the labels of #3 and #5. And it occurs to me that the splines had to be set so that the half bushings could be pushed together and lock when on the same axle. I would have to take a look to see if that (...) (24 years ago, 12-Dec-00, to lugnet.robotics, lugnet.technic)
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Message is in Reply To:
| | Re: Axle joiner angles
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| I suspect the crux of your answer lies in the 3-4-5 triangle. [NOT! read on to see why this isn't true!] The complements of 112.5 and 157.5 degrees are 67.5 and 22.5 degrees. The sum of 67.5 and 22.5 is 90 degrees. Add add a 90 degree angle and you (...) (24 years ago, 11-Dec-00, to lugnet.robotics)
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