Ok here is what I found out so far:
This was done in DC voltage
Start voltage is 2.5v@.11a forward and 2.7v @ .11a backwards
7 volts .13a forward and .15 backwards
10 volts .17 forward and .18 backwards
Full 14.3v@.18a and backwards .2a
After 5 laps (41.5 feet per lap) 15.3v@.14a forward and 15.02v@.16a backwards
No load on track 15.2volts
Stall wheels spinning 12v@.4a
Time after 1 lap 33sec at 41.5 feet =75 mph
Time after 5 laps 30sec at 41.5 feet =82mph
My meters are fluke 88 and fluke 87. Time was with stopwatch, power supply Athearn 16v dc out
Total time on engine about 45 min.
Engine is a Bachmann Spectrum EMD SD45 82715
Is this is good as it gets with this engine?![Sad :(](https://www.bachmanntrains.com/home-usa/board/Smileys/default/sad.gif)
Thanks for all your help and input guys
Henry
This was done in DC voltage
Start voltage is 2.5v@.11a forward and 2.7v @ .11a backwards
7 volts .13a forward and .15 backwards
10 volts .17 forward and .18 backwards
Full 14.3v@.18a and backwards .2a
After 5 laps (41.5 feet per lap) 15.3v@.14a forward and 15.02v@.16a backwards
No load on track 15.2volts
Stall wheels spinning 12v@.4a
Time after 1 lap 33sec at 41.5 feet =75 mph
Time after 5 laps 30sec at 41.5 feet =82mph
My meters are fluke 88 and fluke 87. Time was with stopwatch, power supply Athearn 16v dc out
Total time on engine about 45 min.
Engine is a Bachmann Spectrum EMD SD45 82715
Is this is good as it gets with this engine?
![Sad :(](https://www.bachmanntrains.com/home-usa/board/Smileys/default/sad.gif)
Thanks for all your help and input guys
Henry