Subject:
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Axle joiner angles
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Newsgroups:
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lugnet.robotics
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Date:
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Sun, 10 Dec 2000 22:32:45 GMT
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Original-From:
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Steve Baker <sjbaker1@NOSPAMairmail.net>
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Reply-To:
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SJBAKER1@AIRMAILantispam.NET
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Viewed:
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796 times
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I was looking at the axle joiner thingies that let you
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
Since it's most unlike the Lego designers to make parts like
these without thinking carefully about the choice of dimensions
and such, does anyone have *any* idea why they thought that angles
like 112.5 and 157.5 were useful whilst missing out the more obvious
ones like 120 and 135 degrees? You get *lots* of them in RIS and RDS
sets - so they presumably aren't like that for some cosmetic reason
that's unique to a particular model.
There must be method in their madness - but I'm damned if I can see
what it is.
Also, I don't have any 'number 4' connectors...which is suprising
because I have quite a bit of Lego now and you'd have though that
out of all those sets there would be *ONE* of them! What angle is
it - and where can I get it?
---
Steve Baker HomeEmail: <sjbaker1@airmail.net>
WorkEmail: <sjbaker@link.com>
HomePage : http://web2.airmail.net/sjbaker1
Projects : http://plib.sourceforge.net
http://tuxaqfh.sourceforge.net
http://tuxkart.sourceforge.net
http://prettypoly.sourceforge.net
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Message has 1 Reply:
 | | 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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