This just so fits with the issues me and my mate think about in our hunting rig a G3 15*48 VBW with a Copperhead 23 with a MAC exhaust and limited to 4300. Our hunting locallity is square kilometers of estuary lagoon that is 4 inches to 1.5 foot deep and is water over sticky/firm mud and sand. We used to go through 2 props a season but manage things a bit better now. What prop do you think would suit us. We do OK with the C12 but load carrying over the stiff mud shallows is our main area for improvement. We like the boat to be on a plane so over 13mph. We do overload it a bit with 400lbs of hunter, 140lbs of lab, 36 decoys and hunting and boat gear.

I see you don't seem to do props for threaded shafts so rules me out.