aka Bogies..
The needlepoint wheelsets fit into the new trucks, but they aren't all that solid. If you put much presure on them, they'll slip--the sideframes are just too thin and flex a little bit. So, still not perfect.
Some time ago, I made some prototype "internal bearing" passenger trucks to fit on the Amfleet coach which incorporated a "snap fit" for the axle between the wheels. Test #1 was too small and snapped, not quite rugged enough either. I then got distracted with other projects and tabled it.
Recently, I was putting wheelsets into a set of Blombergs and I having a heckuvatime keeping the wheelsets in. This isn't acceptable-- there must be a better way. So I combined the idea of the internal bearing truck with a tab that holds the wheelset in place. Prototypes are on the way.. It only takes a few iterations to get it right, aka persistence pays off as shows with the coupler.
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