I have been following this with great interest Homebrew, this is really neat, you are obviously a clever chap! Forgive my stupidity but how does a bike cog achieve your rifling? I don't pretend to...
Type: Posts; User: hanse
I have been following this with great interest Homebrew, this is really neat, you are obviously a clever chap! Forgive my stupidity but how does a bike cog achieve your rifling? I don't pretend to...