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SPair of class 20's

2e0dtoeric

5470 posts

Has any manufacturer made pairs of Class 20 dismals that can be run nose-to-nose, as one DCC loco - (as per real life) - both engines having pick-ups and motors, but plugged together by a 4-wire harness, so that one DCC decoder can run both motors?

It would be nicer still if they had a proper sound chip, but TTS will serve.

if it works first time, you did something wrong!

walkingthedog

17075 posts

Only Hornby and Bachmann make CL 20's and they haven’t done it. Pretty sure Bachmann used to make a dummy CL 20. The Bachmann version will haul a huge number of wagons so I guess a dummy one will suffice. I often run my two double headed. 

WTD ........... Nurse, the screens.

2e0dtoeric

5470 posts

Thanks, WTD - missed that one!

if it works first time, you did something wrong!

LC&DR

8582 posts

 I wired both our Wrenn (ex Hornby Dublo) EE type 1s, nose to nose, so they shared pickups. they proved a very reliable combo.

 

My favourite diesel locos I think!

 

Green trains are best!

walkingthedog

17075 posts

I have been very lucky to see four at a time just a few miles from here moving the new underground stock to Neasden Depot. Two at the front and two at the back. 

WTD ........... Nurse, the screens.

BewseyBill

51 posts

Hi, 

 

Surely it would be better to match two class 20s that each have a decoder. This way you could use them independantly, it would make it easier for cleaning and maintenance and should one of the 20s fail, as they did from time to time in real life, you would still have one in operation.

 

 But should still go ahead with permanently coupling your locos, you would need to know and understand what loading you can put on your decoder. I,m referring to amperage output and current draw from two motors. 

 

I occasionally run double headers but they are matched under the same address (usually the same model from the same manufacturer). Each loco will be fine tuned so that they are not working against each other when paired. Although the two loco have the same motors, it doesn't mean they are forced to perform the same.

 

The Lenz system that I operate, allows for double heading or Multi Unit/Consist, where each loco retains its individual address but once coupled can run under a new address within MU/Consist function and operate as one unit. Very useful for banking situations.

 

Bill

 

LC&DR

8582 posts

 This will be similar to running two or more multple unit trains coupled.

Green trains are best!

BewseyBill

51 posts

@LC&DR

 I wired both our Wrenn (ex Hornby Dublo) EE type 1s, nose to nose, so they shared pickups. they proved a very reliable combo.

 

My favourite diesel locos I think!

 

Great phot! what more could an English Electric fan want?. Two class 20s, semapohore signals and a mechanical box.

 

Tribute to the English Electric company that these and class 37s some fifity years on are frequenting network still today.

 

If I had a favourite EE machine, it would be a 40 but I do like them all anyway.

 

Bill

walkingthedog

17075 posts

What a great picture, a new section of concrete sleeper track, piles of untidy ballast and a shovel laying in front of the signal box. People come on here and say what colour should ballast be and can I mix concrete and wooden sleepers etc., well there’s your answer. Anything goes.

WTD ........... Nurse, the screens.

Caiptean

2171 posts

Given the lack of ballast (exposed concrete sleepers) in front of the train I'd suggest this photograph was taken during some track relaying work - hence the small heaps of 'clean' ballast the sixfoot.  Smile

I enjoy life - it gives me something to do! - especially modelling BR's Southern Region 1955-61.

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