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In lugnet.robotics.rcx, Zhengrong Zang writes:
> I want to make a truck for my train scene, this truck is controlled
> byRCX with two rotation sensors and two motors driven rear wheels, it
> will move straight line, it will turn right 90 degree then go straight
> when got message m1, turn left 90 degree then go straight when got m2,
> stop when got m3, move straight when got m4.
> I want to know if this is possible?!
Why go high-tech when low-tech might work just as well? The last GMLTC
layout had a small dump truck that would drive in circles. Here's a thumbnail:
http://reality.sgi.com/foster_stco/legopic/nmra/gmltc2th.jpg
The small truck in the center of the picture has a magnet mounted on the
front. Underneath the baseplate is a Technic chain, with a magnet mounted
to one 'tread' link. As the chain moves, the magnet moves. As the magnet
moves, it pulls the other magnet. As the other magnet moves, the truck
moves. (Only problem is that it scratched up the tiles on the baseplate.)
If you want your truck to follow the same path all the time, you could do
something similar. However, if you want to be able to control your truck
remotely, then you will need to use an RCX or two - and a lot more work!
JohnG, GMLTC
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Message is in Reply To:
 | | Truck move along round
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| I want to make a truck for my train scene, this truck is controlled byRCX with two rotation sensors and two motors driven rear wheels, it will move straight line, it will turn right 90 degree then go straight when got message m1, turn left 90 degree (...) (24 years ago, 16-Jan-01, to lugnet.robotics.rcx, lugnet.trains)
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