The Mk III supercedes the second version, which although worked perfectly, only did so with low clearance wagons.
Lets run through the changes:
The Decoupler
This has now grown to a 2 x 10 plate and has some extra parts in the middle. The wedges are now the important part, with the other bricks being addition weight.
The Base
This has been extended to match the length of the new decoupler and works in a similar way to version 2. Instead of the slider locking the decoupler, it now forces it up when pushed in.
The green plate is representing a large baseplate and would not be required in the stand-alone version, as would the tiles under the slider.
Here's a pic of it in the closed position, notice that the black shoe slider has gone, as its not required.
This one shows the Mk III in the open position, with the slider holding the decoupler in place to stop the wagon/car you want to separate.
This clip shows the decoupler in action
I am using a small 3 siding layout to run these tests, see the next three clips.
Small Wagons
Large Wagons
Tanker Wagons
I included these as they are fairly lightweight, just to see if that would make a difference.
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