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In lugnet.trains, Ondrew Hartigan wrote:
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In lugnet.trains, Will Chapman wrote:
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In lugnet.trains, Ondrew Hartigan wrote:
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To start I disassembled the train base by taking out the 8 extremely tight
screws I then removed the circuit board and soldered on a diode bridge
(bridge rectifier) in place of the 2 tin battery pack leads. Now basically
what this means is no matter what the polarity is going into the IR unit,
the voltage going into the circuit board remains the same. This protects
the circuit board and makes it idiot friendly. =).
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Ondrew, how did you handle the voltage drop through the bridge rectifier?
Did you measure any top-speed dropout?
Curious,
---Will
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i never really tested it to see what the drop was. i can’t imagine it was
much though. ondrew
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Actually a typical bridge rectifier will drop ~1.4 volts in the supply. That’s
alot! About a 16% drop in voltage, and a 29% drop in overall power at the top
end. I’m not sure what effect this would have on the control circuitry.
Mat
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