Subject:
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Re: Strange "cartoon" gears?
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Newsgroups:
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lugnet.robotics, lugnet.faq
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Date:
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Tue, 14 Dec 1999 16:16:55 GMT
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Viewed:
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57 times
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What a wonderful post, Mark. Thank you so much.
Forwarding to lugnet.faq. This could serve as the definitive
entry for the question "What are these strange looking (pre-technic?)
gears I've found?"
In lugnet.robotics, Mark Koesel writes:
> These gears were part of the original "Technical Building Sets" line that
> was never made available here in the US. All the gears have teeth counts
> which are multiples of 3. The red gears have 9 (3 x 3), the blue have
> 15 (3 x 5) and the yellow 21 (3 x 7). The sets contained translucent-ish
> white technic axles, and grey 2x4 blocks with holes throughout. Red
> bushings (similar to today's grey technic bushings) were also included.
> Some sets also had special cast-metal cross axle parts which were used to
> mount these gears to the 4.5v motors available at that time. The first
> line of these sets was released in 1970. The sets were 800, 801 and 802.
> You can see them here:
>
> http://horst-lehner.mausnet.de/lego/katalog/gk70/GK70-16.JPG
>
> In 1972, set 803 was added. This set included a new rubber tire that fit
> the red gear, and also a new universal joint.
>
> http://horst-lehner.mausnet.de/lego/katalog/gk72/GK72-06.JPG
>
> These sets were discontinued at the end of 1973. In 1974, a new batch of
> sets (810, 811, 812, 813) were introduced. New links were added which
> could be used for either chains or bulldozer treads. I value these parts
> quite highly today.
>
> http://horst-lehner.mausnet.de/lego/katalog/gk74/GK74-14.JPG
>
> Later, in 1975, set 814 was added.
>
> http://horst-lehner.mausnet.de/lego/katalog/gk75/GK75-14.JPG
>
> The gears (specifically, the smaller red ones) showed up in other themes
> of the era, including the universal set 404 and road construction set 780
> mentioned in this thread by Tim Rueger. In addition, they were used in
> the pre-model team "Model" sets, with the tires, as wheels for the Formula
> 1 car and the motorcycles.
>
> http://horst-lehner.mausnet.de/lego/katalog/gk76/GK76-12.JPG
> http://horst-lehner.mausnet.de/lego/katalog/gk76/GK76-13.JPG
>
> In 1976, these sets were discontinued, to make way for the new "Technical
> Sets" which later picked up the name Technic and, for a time, used the name
> Expert Builder in the US.
>
> Note that, in the US (and Canada), Samsonite had it's own line of gears.
> These are the mentioned in the post in this thread by Jim West (Jim, I
> hope you don't mind me reposting the URL)
>
> http://www.frii.com/~jwest//lego/gearstop.jpg
>
> These gears have teeth counts which are multiples of 7. I don't have any
> of these type. The samsonite gears sets did not include or work with any of
> the Technic-like parts that came with the 8xx gear sets. Instead, they
> mount
> to the old metal-pinned wheels of the 70's. For this reason, their use is
> somewhat limited in today's Technic creations. The 8xx gears, however, work
> great with modern day Technic, especially if you need some heavy duty tank
> treads.
>
> Also note that the large gears sold through Dacta today are quite different
> from any of the ones mentioned above. These Dacta gears would be most
> compatible with the Duplo line, and in particular Duplo Toolo. These gears
> mount to special larger "Duplo-size" Cross axles and components.
>
> This whole topic seems to come up now and again and these parts always seem
> to
> generate lots of confusion and discussion. Hopefully this clears up any and
> all confusion for this time around :)
>
> Mark Koesel
>
>
>
>
> "Dave Johnson" <djohnson@sirius.com> wrote in message
> news:0FMJ006PAWGKZN@mta4.snfc21.pbi.net...
> > I was perusing the web and found "Tim's Lego Pages" that showed his
> > "Kitty Tormentor" robots: they shoot rubber bands. Very cool!
> >
> > The rubber bands are mounted on a kind of "cartoony" gear with widely
> > spaced teeth, bright red. I thought at first it was a custom piece, but
> > then I saw them again at Marcus's excellent Lego site
> > (http://www.fischer-mellbin.com/Marcus/Lego/lego.html) in his "Gear Math"
> > section.
> >
> > What are these gear pieces? What sets include them? Duplo, maybe?
> >
> > Thanks,
> >
> > Dave Johnson
> >
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Message has 1 Reply:
 | | RE: Strange "cartoon" gears?
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| (...) able to shred tissue paper (and fingers if you were not careful). Check out the prices on the cat sheet. DM270 for the motor kit. Back then you could get a LOT of Marks for a dollar (about 4 if I remember correctly) Even so, those were pretty (...) (25 years ago, 14-Dec-99, to lugnet.robotics)
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Message is in Reply To:
| | Re: Strange "cartoon" gears?
|
| These gears were part of the original "Technical Building Sets" line that was never made available here in the US. All the gears have teeth counts which are multiples of 3. The red gears have 9 (3 x 3), the blue have 15 (3 x 5) and the yellow 21 (3 (...) (25 years ago, 14-Dec-99, to lugnet.robotics)
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