A bit odd question for the gurus:

I have read that a Revolution 4 is a '4 blade Tempest'.
On the other hand I have also read that Rev 4 is a semi cleaver and what I know the Tempest is not a semi cleaver?

The Tempest seems to be better in odd pitches compared to even pithches?
Is the even just adjusted odd pitches props or do they have their own shape (basic design)?

Actually, yes it is a 4 blade Tempest.
That would be the closest description.

The even Tepest props have designated castings

Brett

They are very similar but not the same in blade geometry. There are some differences other than just the number of blades. I have one of each and will try and take some side by side pics.