how far below the bottom of the boat should the prop be

theonn

Cadet
Joined
Jun 17, 2009
Messages
7
:confused:I have a 4hp Johnson the center of the prop is about 12" below transom bottom. I would like o raise it how I determine the proper depth
 

Fl_Richard

Lieutenant
Joined
Jan 21, 2005
Messages
1,428
Re: how far below the bottom of the boat should the prop be

The big flat plate (cavitation plate) above the prop should be equal to or slightly higher that the bottom of the boat.
 
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