goldstar31's Recent Activity

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  1. goldstar31 posted a new thread.

    Gears and Gear Cutting

    I got a somewhat strange request for a gear cutting question in which the enquirer mentioned the Formula for a 31 tooth gear of 48DP....

    Forum: Tools

    Jun 25, 2019 at 10:20 PM
  2. goldstar31 replied to the thread New Quorn Build (question).

    Thanks Dr Joe! As far as I am aware Hemingwaykits doesn't supply either the Quorn or Kennet drawings or castings. I have the drawings of...

    Jun 24, 2019 at 10:27 PM
  3. goldstar31 replied to the thread Myford spindle information.

    I agree with Barry but a 5" Back plate threaded Myford is only about £23 and I assume that a pair of 'Myford' taps and dies is well in...

    Jun 24, 2019 at 7:46 AM
  4. goldstar31 liked bazmak's post in the thread Myford spindle information.

    For all the fancy geometry and maths just measure the bore on any chuck etc and cut the thread to fit the spindle.Its the 1.25 dia and...

    Jun 24, 2019 at 7:30 AM
  5. goldstar31 replied to the thread New Quorn Build (question).

    I've been in Quorn country for a very very long time and rather like the relatively simple approach of a Professor of Engineering and...

    Jun 22, 2019 at 7:22 AM
  6. goldstar31 replied to the thread Myford spindle information.

    Risking not only censure but being burned at the stake as a heretic, change from 55 degrees coarse Whitworth to 60 degrees United, you...

    Jun 22, 2019 at 7:09 AM
  7. goldstar31 liked Hopper's post in the thread Myford spindle information.

    Basic screwcutting. For Whitworth, thread depth = .6403 x pitch. So that comes to .053" thread depth. Don't get too carried away with...

    Jun 21, 2019 at 6:28 AM
  8. goldstar31 replied to the thread New Quorn Build (question).

    The Mueller articles are in Home Shop Machinist 1999-2000 I've been reading them and an air spindle and a Wilson T&C is beneficial....

    Jun 19, 2019
  9. goldstar31 replied to the thread New Quorn Build (question).

    Haggis? You have to catch them first. They have two short legs to run around Scottish mountains and they can be caught- on the way...

    Jun 19, 2019
  10. goldstar31 replied to the thread New Quorn Build (question).

    I've just found my copy of Walter B Mueller's 'A Very Much Improved' Quorn Tool and cutter grinder. So once you have built the beast(...

    Jun 19, 2019
  11. goldstar31 replied to the thread Great coolant except its toxic.

    I'll bet that you were dying to tell us!

    Jun 19, 2019