What are the electrical limits of 9V trains?
From Simon Robinson: !
The controller supplies a variable voltage. As you move the
speed regulater from zero to the first of the 6 marks the voltage
jumps up to about 3V. It then increases linearly up to about 9V for the
maximum speed.
The motor power unit has a resistance of 8.7 ohms, so at maximum speed, it’s
using about an amp, which works out to 9 watts of power.
For a typical controller, expect:
Full Power
Minimum Speed
| | Open Circuit
9.24V
2.99V
| | With Train Running
9.04V
2.99V
| | Internal Resistance
0.09 ohms
0.02 ohms
|
|
