On Apr 18, 2:11*pm, wrote:
I'm trying to build an inexpensive yet effective rudder lock for an
assembled GROB 103 or TWIN ASTIR. Have tried two or three approaches
but not happy with any thus far. Needs to be rugged, lightweight, and
user friendly (think club environment). Any ideas?

Mike

Heavy gauge PVC pipe with elbows and PVC glue and covered with water
pipe insulator. Tie two pipes together with a bit of rope at the back
through two holes. $20?