I agree with Jimmy and Phil.
Even though I could solder at age 5 (my father taught me), I really did not learn about soldering until I was in Junior High school, and our neighbor, who worked for a company that made rocket ships that went into space and the moon taught me.
Clearly he was an engineer, and I learned a lot about cleanliness, fluxes, where the heat goes, how to visually confirm a good solder joint, etc.
One thing I learned is that solder is a very weak metal, and it cracks and fractures easily, it cannot handle flexing, so the mantra was to make a mechanically secure connection first, and then solder.
This connector violates that principal, and as has been mentioned already, no guarantee of a good electrical connection.
Everything I do on my railroad is with the idea that it's done once, and the best way I can do, since when I started, I had read forums for years and all the complaints on maintaining good electrical connectivity, connections, corrosion, the pain of debugging electrical connections.
So, by doing all things this was, indeed maintenance, and repairs have been to a minimum.
In our hobby, with this stuff outside, the mechanical integrity of the connection is paramount, and I would not recommend these.
crimp and solder, and even if you get some external corrosion/oxidation, the connection will last years.
Greg
