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In lugnet.lego, Brian Davis wrote:
> In lugnet.lego, Philippe Hurbain wrote:
>
> > A practical value is about 1A - NXT motor driver itself
> > limits the current around 1A too.
>
> Ah, thank you - so running two stalled train motors would exceed the NXT output,
> but running one train motor up to a stall conditions should be fine. Out of
> curiosity, along with the output limitations on the NXT (1 A) and RCX (500 mA),
> does anyone have the output limitations (voltage and current) on the train
> transformer?
The linear regulator inside is a 1.5A version if I remember well, but I may be
wrong. Cross posted to lugnet.trains trying to get train guru opinion...
Philo
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Message has 2 Replies:
 | | Re: The Future of Trains
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| (...) The Australian LEGO wall wart is marked 10V @ 7VA on the secondary. I don't recall all the stuff I learnt about the relationship between VA and W, but that seems to me to indicate about 0.7A. I believe this generally reduces as load increases, (...) (19 years ago, 8-Oct-07, to lugnet.lego, lugnet.robotics.nxt, lugnet.trains)
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Message is in Reply To:
| | Re: The Future of Trains
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| (...) Ah, thank you - so running two stalled train motors would exceed the NXT output, but running one train motor up to a stall conditions should be fine. Out of curiosity, along with the output limitations on the NXT (1 A) and RCX (500 mA), does (...) (19 years ago, 8-Oct-07, to lugnet.lego, lugnet.robotics.nxt)
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