motor airlock

cpohl

Recruit
Joined
Jun 27, 2010
Messages
1
I have a 20 hp volvo on a 16' boat that airlocks at about half speed. Any solutions outside of buying a long shaft motor?
 

JB

Honorary Moderator Emeritus
Joined
Mar 25, 2001
Messages
45,907
Re: motor airlock

Howdy, cpohl.

Welcome to iboats. :)

What is "airlock"?? Is that the same as prop ventilation?

What is the vertical height of your transom from top to even with the hull bottom?

What is the length of your outboard shaft, from underside of the transom clamp to the anti-ventilation plate (horizontal plate above the prop).??

You will get more help sooner if you include this sort of information in your first post.
 
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