XD351's Recent Activity

Help Support HMEM by donating:

  1. XD351 replied to the thread valve lapping problem.

    With the annular rings it sounds like the lapping compound is embedding in the valve and seat and cutting the groove . Try finer less...

    Feb 12, 2019 at 3:12 PM
  2. XD351 replied to the thread Just Getting Started, Part 2 (other hobbyist metalworking online groups?).

    You may also find https://www.model-engineer.co.uk forum of some interest .

    Feb 11, 2019 at 12:41 PM