Subject:
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Re: Coasters
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Newsgroups:
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lugnet.build
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Date:
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Thu, 21 Sep 2000 17:15:08 GMT
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Viewed:
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1432 times
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I'm planning on using regular and wide technic tractor tread links to build a
chain drive which will push the train up the first hill.
Paul Sinasohn
In lugnet.build, Brad Hamilton writes:
>
> ColdFusion <jcormier@stfx.ca> wrote in message news:G14yI9.L57@lugnet.com...
> > I read about lego coasters here (lugnet) before and was wondering if • anyone had
> > tips.
>
> I built a LEGO roller coaster once. I used 4.5V train track for the rails
> and a 4.5V engine for the car. I had a 2nd car connected that actually
> carried the batteries (in the old 4.5V battery box - The square one, not the
> train-specific one).
>
> You can't use 12V or 9V track because it won't flex sufficiently and you
> won't be able to get reliable track contact if you flex the track, even a
> little bit.
>
> The 4.5V track is really flexible, both up/down, and right-left. In a few
> cases where the angle change was extreme (at the top of the first hill), I
> shaved a bit off the bottom of the end of the rail connectors so that they
> could flex more on the connectors.
>
> The track started with a large hill and then plunged down and around a 180
> degree turn to the left. Then, it dropped into a 360 degree spiral, and
> then a 180 degree turn back to the station.
>
> The train car actually ran around the track reliably! Of course, it wasn't
> very good for the motor because it put a lot of load on it up the hills and
> forced it to go too fast down the hill
>
> The elevated portions of the track were built up on technic beams. The
> station was a town-themed building with a platform on both sides.
>
> Unfortunately, I never took any pictures. It was at least 15 years ago!
>
> Brad
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Message is in Reply To:
 | | Re: Coasters
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| ColdFusion <jcormier@stfx.ca> wrote in message news:G14yI9.L57@lugnet.com... (...) anyone had (...) I built a LEGO roller coaster once. I used 4.5V train track for the rails and a 4.5V engine for the car. I had a 2nd car connected that actually (...) (26 years ago, 20-Sep-00, to lugnet.build)
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