7,45 powercat design

Hi,

I am novice in this forum, so I would be very pleased if I can learn some from you and you from me

I am starting a design of a 7,45 m powercat for sportfishing and I would like some comments from you about the design of the hull.

The data of the boat will be:

Hull lenght:7,5 m
Max beam: 3,75 m
Hull beam: 1,50 m
Displacement: 3600 Kg at 0.4 m draft

The hull would be something like attached.

It will be stepped for gaining displacement for ahead and transverse seas approaching.

Would be a good idea to make an assymetric hull with less angle inside for gaing efficiency (the beam would be increased to maintain displacement)

I don't really know very much the difference between symmetryc VS assymetry hull in powercats.

Best regards

José Luis

 

I would make the lower chine much wider. The way it looks there I imagne it to be a wet boat. Hard to tell with only a single view.

Brett

 

Power Cat Design

Check out the "Secrets of Tunnel Boat Design" book and the "History of Tunnel Boat Design" book for power cat designs.

 

Hi,you might want to look at an IVB hull before you decide,
it will out perform a cat only requires one motor and would be cheaper and easier to build.
you will end up with approx the same dimensions a cat and even more stability!!!
don

 

Hello,

I´ll com back with more views.

Regards