Push -Pull set.

 Continuing on from the last piece about the Maunsell conversion, I submit a couple more pictures of the build.
This illustrates the way in which the waisting of the drivers/guards area is formed.
I had been filled with trepidation about this but the reality is somewhat easier.
Cleanliness is the key, give the brass a good scrub with the glassfibre brush, a smear of flux and add hot solder- simples!