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> Stalled, the train motor pulls 950 mA, while the stall current of the NXT motor
> is a whopping 2 Amps. So a single NXT motor output should easily handle a
Some precisions here:
- NXT stall current is 2A but only for a short time: internal thermal protection
will trip at a current much lower than that (exact value depends on temperature
and overload duration). A practical value is about 1A
- NXT motor driver itself limits the current around 1A too.
Philo
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Message has 1 Reply:
 | | 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 (...) (17 years ago, 8-Oct-07, to lugnet.lego, lugnet.robotics.nxt)
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Message is in Reply To:
| | Re: The Future of Trains
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| (...) Stalled, the train motor pulls 950 mA, while the stall current of the NXT motor is a whopping 2 Amps. So a single NXT motor output should easily handle a twin-engine train loaded to the point where it stalls the engine(s)... there's the matter (...) (17 years ago, 7-Oct-07, to lugnet.lego, lugnet.robotics.nxt)
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