--- In [email protected], "Michael Eldridge" <meldridge@...> wrote:
>
> The fact that Protocraft has a working coupler in O scale:
> makes me wonder why this is so impossible in S Scale.
>
It's not impossible in S it's just harder to get reliable operation from
prototypical type operating couplers as the size decreases. I've used them in O
scale and they are troublesome even at that size. Car weight varies a lot
between O and S scales so one has less mass resisting the manual forces needed
to lift the pins. Smaller uncoupling levers, tighter track spacing , etc. all
work against the smaller scales when it comes to hands on operations. Most 2
rail O scale modelers still use the KD's as their standard. The guys who use
lift pin operated couplers are mostly P-48 guys who are primarily car modelers
not layout operators. I doubt the number of S scaler interested in adding cut
levers to their cars then trying to use them would justify an investment in an
S version of the protocraft style, I think the Sergent magnetic type is a
better compromise of ease of use and prototype appearance ........DaveBranum
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