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A while back at a rtlToronto dinner a bunch of us were looking through
new catalogs when we came across the new Racers sets. I think many in
the group had a similar thought but Iain was the first to vocalize it.
Wouldn't it be cool to make a train that ran on the new Racers track.
After a long delay waiting for a BOGOHP sale at Zellers. Because you
need two 4588 to make a full loop of racers track. I finally got around
to building a train that runs on tires.
Here it is:
http://www.brickshelf.com/cgi-bin/gallery.cgi?f=28279
This is just a prototype. I wanted to see how well it would work and it
turned out quite well.
At first it was only two wheel drive and tended to get bogged down in
the corners. I upped it to four wheel drive and it runs very smooth.
I'm using a Code Pilot to power it. Its the only controller that fits
in 6 wide, sort of, and still does more then a battery box. This train
has a touch sensor on the side that engages the platform as the train
goes around the loop. When the sensor releases the train stops lined up
with the platform. If only I had put doors on the train people might
have been able to get on and off. :-) Then after a delay the train
starts around the loop again.
From a geometry point of view the radius of the Racers track is such
that it fits just inside the train track. So an offset of 8 studs to
the inside.
The switchs are interesting too. Y switch instead of branching off to
one side. I haven't tried to fully implement a switch yet. We played
around with it at rtl12 but the design of the train will have to be
modified to clear a switch arm properly.
It was a lot of fun putting this thing together. I'm not sure if we can
fit it into Train4 but I'm sure I'll find a way to get it into a future
train event.
Derek
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