John B. on Thu, 24 Oct 2019 05:17:46 +0700
typed in rec.crafts.metalworking the following:
On Wed, 23 Oct 2019 05:58:40 -0400, "Steve W."
wrote:

Anyone got a site or place where there are plans or drawings that show
something like a sine bar machine or other style that wouldn't be that
hard to build?

Am thinking of building a flintlock or percussion rifle all from scratch.

See http://orro.net/2011/02/rifling-machine/ for some ideas.

Once I figured out what he was doing, I saw how clever that method
is. And adaptable, as in "one can easily change the twist, without
having to make a new guide."
The fun part is that now I have an idea for how to put spiral
'carvings' on wooden banister post. Now all I need is the lathe, and
the space to set up. Oh, and a banister which needs posts. B-)


--
pyotr filipivich
"With Age comes Wisdom. Although far too often, Age travels alone."