Track Droppers and Ballast

I was inspired to write this short article by another interesting column from Trevor Hodges’ In the Loop series; Track in AMRM Issue 338 (October 2019). Trevor stated that he runs a dropper from every piece of track on his layout, no matter how small and insignificant it is. However, Trevor does not relate how he attaches the droppers to the rail. The assumed answer is that the droppers are soldered. This then raises the question; how do you solder the droppers?

Many years ago, I