Subject:
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RCX and train motors...
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Newsgroups:
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lugnet.org.ca.rtltoronto
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Date:
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Fri, 14 Oct 2005 15:04:35 GMT
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Viewed:
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1077 times
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You want some fun?? Try this some time--
Take one RCX (preferably with AC adapter)
Take one Train track connecting wire.
Connect wire to Port A (or B or C--matters not)
Connect leads to train track
Put locomotive on train track.
Now, get a RCX remote and push the 'up' arrow for A
Watch locomotive careen off track and smash onto floor...
For some reason, the motor outputs on an RCX have alot more power than a train
regulator set to 'full'.
This I did not know.
The second thing I did not know--
Program your RCX with a little NQC and set motor speed to 1 (just 1 above 0,
which is basically off)
Run the program.
Watch your locomotive careen off the track and smash onto the floor.
Yes, even at speed 1, the train motors are exceptionally fast.
I don't think the train motors are set up the same way as the 'geared' motors.
Now a modified train motor (a DCC'ed one) will rum pretty stable on an RCX'ed
track. It runs at basically the same speed, no matter what speed you set in
your NQC program, but I can live with that.
What I may do, seeing as how I basically have no speed control over train motors
with the RCX connected directly to the track and running NQC, is to do the 'Mark
Riley' thing and have LDCC connected to the track, but taking commands from
another RCX running NQC. I was hoping to not do that, considering that IR
communications really does suck. As well, having the sensor inputs and the
motor outputs for everything plugged into 1 RCX was so convenient...
Eh, the trials and tribulations of building...
Dave K
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Message has 4 Replies:
 | | Re: RCX and train motors...
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| (...) hehe. Yeah, when my son & I got our first train, we ran it off the regulator for about 30 seconds before trying the RCX thing. The next 10 minutes was spent seeing who could "throw" the train motor the furthest. (...) Hmm. As I recall, I could (...) (19 years ago, 14-Oct-05, to lugnet.org.ca.rtltoronto)
| | | Re: RCX and train motors...
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| (...) ... (...) ... (...) Add cars to the train. Then, the speeds will make more of a difference. If you're using the Swan firmware, you may have more control over the motor speed. I think there's a setting for power/break instead of the normal (...) (19 years ago, 14-Oct-05, to lugnet.org.ca.rtltoronto)
| | | Re: RCX and train motors...
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| (...) We have been using an RCX to control trains running back and forth on a track which has a terminus at each end, not a loop. (To make this sensorless, there are diodes inserted in the track at each end so trains can power out of the station, (...) (19 years ago, 14-Oct-05, to lugnet.org.ca.rtltoronto)
| | | Re: RCX and train motors...
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| (...) [snip] (...) Try adding a few lights on to the output in addition to the track connector - this will use some of the power and slow the train down. I think this is what Tom Cook did to slow down some RCX controled trolleys that we had in a (...) (19 years ago, 14-Oct-05, to lugnet.org.ca.rtltoronto)
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