old guy :)
Join Date: Feb 2008
Location: Fredericton, NB, Canada
Thanked 14 Times in 12 Posts
Rep Power: 9
My buddy Doug, with an Irwin 30 very successfully used "plastic" pipe for mounting his Radar on the stern.
Me, I built my last one using 2 inch, thick walled aluminum. Am building another this week for our "new to us" Irwin 34.
Irwin Citation 34