New power bogies

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New power bogies

Postby fatmac » Tue Jan 27, 2015 4:58 pm

Kato are to bring out new H0 power bogies :- ... l=84838260
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Re: New power bogies

Postby lesmond » Tue Jan 27, 2015 8:32 pm

Now those DO look interesting!

Thanks for sharing.

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Re: New power bogies

Postby rue_d_etropal » Tue Jan 27, 2015 8:33 pm

looks useful, 2 motor bogies. I think it must be same as this one on Plaza Japan Plaza Japan HO loco
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Re: New power bogies

Postby Nevadablue » Wed Jan 28, 2015 12:38 am

coreless motors... so will these work with the normal brush motor ESC?

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Re: New power bogies

Postby More_Cats_Than_Sense » Wed Jan 28, 2015 5:43 pm

If I remember correctly, the ESC provides a PWM output. PWM will cause more heating in the core than a 'pure' DC supply as the full voltage is applied even at small throttle openings. Coreless motors have the windings resin bonded onto the motor shaft than being wound onto a steel/iron armature and they are more susceptable to heating as there is less mass in the armature to absorb the heat. It is possible to use PWM controllers with coreless motors, but I would advise caution as it is not unknown to melt the windings right off of the motor shaft. On the other hand, I would have thought Kato designed the loco to be fitted with DCC decoders which use the same PWM technology, so I'm guessing they might know what they're doing 8)
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