1 comment
  1. John Williams said:

    hi john
    would you send me a copy of hobnail i’m trying to cut a couple of helical spiral gears on my bridgeport mill, not having a lot of luck with the calculations for gear train i’ve got very close but the gears don’t mesh at 90 degrees.


Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

%d bloggers like this: