Wellwhynot Posted January 11, 2020 Share Posted January 11, 2020 Can I run two locos at the same time on the same track with one controller I am on d c Link to comment Share on other sites More sharing options...
RDS Posted January 11, 2020 Share Posted January 11, 2020 Yes, as long as you realise that you are controlling the power to the Track and not the Loco's and as long as the Power Supply can cope with the demands of 2 Loco's, which it should be able to do.Both Loco's will move, probably at slightly different speeds, even if the Loco's are 'identical'. Link to comment Share on other sites More sharing options...
Howbi Posted January 11, 2020 Share Posted January 11, 2020 Yes, that is possible but not advisable......... you may overload the controller if it is a basic model and the two locos are unlikely to run at the same speed so one would catch the other ending in a tail-end shunt.......... 😮.........HB Link to comment Share on other sites More sharing options...
Wellwhynot Posted January 11, 2020 Author Share Posted January 11, 2020 Thanks so far I suppose I should have said analogue ? I just want to run either one or the other in and out of a siding instead of having to physically lift one of track to let the other one run round the main loop Link to comment Share on other sites More sharing options...
Howbi Posted January 11, 2020 Share Posted January 11, 2020 We already know you are on analogue DC.........You need 2 sidings, one for each loco.........the points will act as isolating switches so you can open one point, drive the loco out onto the main track then close the point........the other loco in it's siding will not move until you park up the first loco then open the 2nd point and so on.......HB Link to comment Share on other sites More sharing options...
96RAF Posted January 11, 2020 Share Posted January 11, 2020 The one in the siding will be isolated when the point is reversed so you can then control the other loco. You can use points as power route switches for the purposes of running two locos on one DC (analogue) layout. Link to comment Share on other sites More sharing options...
walkingthedog Posted January 11, 2020 Share Posted January 11, 2020 I double head two locos fairly often and have never had a problem. I run them at a moderate speed, not fast. Link to comment Share on other sites More sharing options...
RDS Posted January 11, 2020 Share Posted January 11, 2020 I didn't think he was Double Heading. Link to comment Share on other sites More sharing options...
walkingthedog Posted January 11, 2020 Share Posted January 11, 2020 Same thing. Two locos on the same track going in the same direction. Whether they are connected together doesn't make that much difference unless they have very different running characteristics such as one loco is faster than the other. Just pointing out two locos will run on the same track. Probably not advisable with a cheap controller. Link to comment Share on other sites More sharing options...
RDS Posted January 11, 2020 Share Posted January 11, 2020 Oh I see. I always thought that Double Heading was the term used when the power of one Loco would be insufficient for the task in hand and they needed to be connected together. Link to comment Share on other sites More sharing options...
JJ73 Posted January 11, 2020 Share Posted January 11, 2020 @ W. W. N. :- Here is a Prime example of what can happen when you run 2 Locos on the same Track (I also have analogue) ... Way back in April 2013, I made a video of my 2 little blue Lima Diesels on the same track chasing each other...The video is called "The Diesel Chase!!!" & here is the Link if you want to see :- It is very fun to watch 😀 Link to comment Share on other sites More sharing options...
walkingthedog Posted January 11, 2020 Share Posted January 11, 2020 Well yes it is. Two locos running together. Wellwhynot asked if two locos could run on the same track at the same time. I said I often double head locos, which is running two on the same track at the same time. They just happen to be joined together. Link to comment Share on other sites More sharing options...
JJ73 Posted January 11, 2020 Share Posted January 11, 2020 WOW that was quick W. T. D. !!! Link to comment Share on other sites More sharing options...
walkingthedog Posted January 11, 2020 Share Posted January 11, 2020 Wasn't answering you Jj I was answering RDS. 😀 Link to comment Share on other sites More sharing options...
JJ73 Posted January 11, 2020 Share Posted January 11, 2020 Oh right 😆 I was going to say!!! "The fastest replyer in the west" or words to that affect!!! Link to comment Share on other sites More sharing options...
Wellwhynot Posted January 11, 2020 Author Share Posted January 11, 2020 just had a test run only using one siding with one set of points they will only be running at the same time for a few seconds just to give time for them to pass each other then one would be stationary until my next change over, need to practice my timing as one loco is faster than the other as was stated earlier, Thanks for all the advice Link to comment Share on other sites More sharing options...
LCDR Posted January 12, 2020 Share Posted January 12, 2020 For real fun try running two Hornby Dublo 3 rail locomotives on the same track! It is usually OK if you run them tender to chimney, but try coupling them chimney to chimney and you have a problem! I wanted to run two Hornby Dublo 3 rail English Electric type 1 Bo-Bos nose to nose as per prototype , so I had to jigger one of them by reversing the motor magnet. D8000 is correct, but D8017 has the motor reversed. (D8017 is a two rail body on a three rail chassis, so it is easy to tell them apart.) The other problem I had with these two locos, but the Wrenn two rail version, running them nose to nose, is that a short occurs through the couplings which are metal tension locks attached to the metal bogie frames, so I had to replace the metal couplings with plastic ones. (If you recall there was a problem discussed some time ago here concerning coupling a Triang R52 to a R153 for a similar reason). Link to comment Share on other sites More sharing options...
Jimbo1707820979 Posted January 12, 2020 Share Posted January 12, 2020 Frequently run 2 (or more) locos on the same fairly long analog track. But I have timed each loco beforehand over a couple of laps and noted down their performances --also quite good fun, Jimmy. 😆 So I do not pair a very rapid loco with a slow one to avoid mishaps.Normally use an H&M Duette but sometimes a Hornby R8520, the modern cheapy. Link to comment Share on other sites More sharing options...
JJ73 Posted January 12, 2020 Share Posted January 12, 2020 Thank you Jimbo 😀 Link to comment Share on other sites More sharing options...
Gordonvale Posted January 12, 2020 Share Posted January 12, 2020 You can divide the oval in to 2 electically separated sections, by using 4 IRJs. Power each section from the one controller. In the power to one section (or both if you so desire), add a potentiometer rated at say 25R, wired as a rheostat. This will vary the resistance and hence the current supplied to the section. You can then utilise this to slow down the faster loco as it passes through the section, so it doesn't catch up to the slower loco. Link to comment Share on other sites More sharing options...
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