Activity
Mon
Wed
Fri
Sun
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
What is this?
Less
More
Clief Notes
48.7k members • Free
Contributions
@helmut-wehren-6243
Aged 81, engineer, worked in high-frequency technology. Now working on lean light aircraft design and manufacturing processes.
Active 15d ago
Joined Jun 16, 2026
Powered by