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3 words....
Too Much Time!!!
Absolutely loved it!!
Now I'm inspired!
Dave K
In lugnet.org.ca.rtltoronto, Calum Tsang writes:
> Hey folks,
>
> Iain came by today and we ended up building a floating arm trebuchet to see
> what it would be like. In about an hour, we put together the model after
> using references from trebuchet.com. Iain figured out the layout of the
> mechanism and we built a model about 18" tall or so.
>
> We experimented with a number of devices to release the projectile-and I
> managed to find a working one in using a simple axle with a sling made of
> thread and a small netting pulled from a some food packaging.
>
> We used old grapes that were to be thrown out anyways and gave it a try in
> the driveway. Note that a freshly laid sidewalk of concrete was directly in
> our path too:
>
> http://peach.mie.utoronto.ca/events/lego/video/lego-082702-trebuchetdemo.mpeg
>
> Anyways, enjoy the video. The outcome was that a first run design could
> fling a grape down the driveway, probably about six meters in Iain's
> estimation. You can't actually track the motion of the grape, it's just too
> small, but you can see the bright pink netting tossed to the side.
>
> It's defintely doable as an event, but it has to be outside. I'm not going
> to even consider running trebuchets inside Lillian H Smith. Maybe in the
> new Bahen Center on campus, but it needs a LOT of clearance.
>
> I also have some photos if anyone wants to see them.
>
> Calum
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Message has 1 Reply:
 | | Re: Trebuchet Fun
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| (...) I think it was the most fun I've had with LEGO in ages! We had the most difficulty with the sling (whatever it's called) - geting it to release. If you go through the video frame by frame and watch the release carefully you can see how it (...) (22 years ago, 28-Aug-02, to lugnet.org.ca.rtltoronto)
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Message is in Reply To:
| | Trebuchet Fun
|
| Hey folks, Iain came by today and we ended up building a floating arm trebuchet to see what it would be like. In about an hour, we put together the model after using references from trebuchet.com. Iain figured out the layout of the mechanism and we (...) (22 years ago, 28-Aug-02, to lugnet.org.ca.rtltoronto)
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