"Charles Davis" wrote
| Ivor wrote: | > Honest question - what's wrong with using common return? I haven't | > started my layout yet (and it'll be a while yet) but I'd prefer to do it "right | > first time" as much as possible. I would have thought that common return | > would save some effort and money? | >
| > Ivor | >
| >
| For Analog DC, common rail is usable, WITH the understanding that it has | it's own set of 'Quirks' for handling "Reverse Loops", 'Turntables", and | any other 'polarity reversal' problems associated with 'Two Rail' | wiring. Converting from a 'Common Rail' wired layout to 'DCC' shouldn't | be any harder than the "normal', two independent wires to every block | that is the common situation. If you have handled the 'common rail' | quirks successfully, they shouldn't 'bite you' too often during the | change, because you are already aware that there are differences. | | If you are starting from scratch. I.E. New layout headed for DCC in the | near term, don't even wave at 'common rail'. JMHO | | Chuck Davis
Thanks Keith and Chuck - I will be starting straight off with DCC, so no common return then.
Ivor