1/16 Bucyrus-Monighan Walking Dragline

[9W Monighan]

Thanks Rob.

Eef,
I think on that boom hoist I was using roughing endmills and forgot to add a little material to finish now I think of it. When building it I was just hogging metal here and there to try to get it as close to the 1:1 as possible. All and all it works very well. I do brush some Cool Tool oil on as needed.
The big gear is from a set of change gears I had a box full of them and used what was close to the 1:1 machine. Later on I acquired some blueprints and found that if I would have used the next finer tooth pitch (18DP) I would have been right on to scale. The one pictured is 16DP. I have been thinking about redoing some of the machinery now that I have all the blueprints but that will be later on in the future.