Re: 2 to 1 ratio

Posted by tom on November 07, 2011 at 15:03:44:

In Reply to: Re: 2 to 1 ratio posted by mark fenn on November 06, 2011 at 10:07:23:

modul 3
30° degree
outside diameter 78,6 for z21 mm, z42 151,7 mm
n°4 z measuremnt for z21 is 32,76
n°8 z measuremnt for z42 is 69,08
regard tom