Update to this post - doesn't look like it is the most popular one of the site;) but in case anyone cares... I did make all the changes I...
I've got the boat completely torn down now, flipped upside down and restoring the bottom - but that is another story. Overall length of hull is...
% thrust lost = 100 x (1 - cosine (shaft angle*)) * angle in degrees
I have a '74 Apollo 18' skiboat with a stock Berkeley waterjet. The boat does OK in straight but in a tight turn it handles poorly and also...
Sorry to add to your challenge but as for the two fins on the intake of the Berkeley jet, I am about to cut mine off! For my boat (18' Apollo ski...
