The prop question was decided by fate. I happened across a used 13 x 11 3 blade sailor in good condition - for 50 bucks. That is what I am goin with. I had a bit of a setback yesterday. I built a really nice engine bed. I created a framework with glass reinforced foam panel glued to a fiberglass sheet. The stringers were backed with 1/4" aluminium and I laid up 4 layers of 1708 biax over the whole thing then filled it and prepped it for an epoxy coat. All that was left was to glass it into the boat. That is when I discovered that a 21 looks just like a 12 upside down. The measurements I took from the old engine required 21" of clearance over the bed. I read 12". I designed for 16" to be on the safe side. Does anyone want a really nice engine bed? At least I know how to do it this time.

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On the plus side the control panel came out really nice. I recessed it in the door behind the tiller head and built a removable box to protect the backside

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