Bob Rosa

Sorry for being lost on this for a few days. Honey Due list and pressure got to long. two new photos to look at.

The hull is 25 feet OAL. The WL is almost the same. The original hull design is John Hackers Zipper 225 racer. I used Excell to factor...

I do not know either. Just thought I had to.

Thank you Gents! Yes I am a bit confused yet but some of the ideas and concepts make sense to me. Unfortunately I'm a way from putting...

Interesting thought? The boat I had seen at the Travers City boat show owner said there was enough vacuum with his step that the hull...

here are two new photos of area for vent placement.

The step is aft up like it should be. A 12 foot straight edge was used to insure the aft 4 foot was in plane with the 4 foot just fore...

Sorry about that. I will take some new photos latter today and post them. It is LS 6.2 powered about 430 hp. We are currently hosing and...

Thank you fellows for your input. The step does go all the way to the sides. I'll try to post a couple of photos. I have seen a design...

Interesting point you've made. I may be over thinking the need for these vents. CC had them on their step bottom racer hull. I also met...

Sorry it's a bit to late for that. Step is where it should be per John Hacker design.

I have built a 25 foot hull with a 2.5 inch step 15 foot from the bow. Ready to install two vents and not sure of exactly where to cut...