For those looking for a 17" 4 blade SS, I've got one for sale on this forum.
https://www.sportfishingbc.com/forum/index.php?threads/solas-rubex-hr4-17”-pitch-stainless-4-blade-prop.85282/
I've only run 4 blade props and can tell you these ones are fast without a noticeable drop in MPH. 48mph at 5800 WOT in the Fraser.
Don't want to hijack this thread, so enough about me. Tha