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MR Reviews? Does Anyone Know What DCC They Use?
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<P>[quote user="rrinker"] I do so love the overkill. A 3 amp DCC system is PLENTY to run 2-3 sound locos at the same time! Look at the stall current in the various reviews - BLI locos with QSI sound draw less than 3/4 of an amp stalled. People tend to underestimate how fast their models are traveling. You get a train going what looks like a nice slow speed - it's really 40-50 smph! 10-20 smph is really a crawl.<BR> I'd be curious as to the actual output voltage from the Prodigy - voltage on the track. Bet it's up there, closer to 20v than 15v. The NCE should be in the 14-15v range - which is what HO track voltage should be. This will make a huge difference in top speed. Try timing the train over a measured section. Measure a 1 foot section. Count how many seconds it takes the train to pass that distance. 1s is about 60mph, 2s is about 30mph. Bet you'll be surprised how fast you are really going.<BR><BR> <BR> --Randy[/quote]</P> <P>Randy,</P> <P>I put a bridge rectifier and DC meter on my PA today. The meter read 13.25 volts with one engine running at 30 Smph (Roundhouse 4-4-0 w/sound), 2 old converted engines with just lights on, and 2 P2k 0-6-0's sitting on the tracks (lights on low and sound on). I did not break the circuit and stick an AC amp meter in the line. The PA power pack label says 15V/3A and MRC list the system at 3.5 amps for use. The cords on the PA do not allow access to measure voltage on the power pack, and I do not have in-line adapters that will let me measure the pack directly. I am not going to lug a 'scope into the layout room for a better measurement.</P> <P>I hope this helps.</P> <P>[IMG]http://i111.photobucket.com/albums/n123/Alan_B/100406-1_r.jpg[/IMG]</P> <P> </P>
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