Offshoreonly.com - Hull Blueprinting

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Offshoreonly.com (https://www.offshoreonly.com/forums/)

- General Q & A (https://www.offshoreonly.com/forums/general-q-20/)

- - Hull Blueprinting (https://www.offshoreonly.com/forums/general-q/69709-hull-blueprinting.html)

mtgbiker

11-11-2006 07:20 PM

Re: Hull Blueprinting

Cay,
Why do you think the 292 and 311's don't have a hook. The 272 should be faster than a 292 with the same power right?

It seems that the lighter 272 would be faster than the 292 but aren't. The 292's don't have hooks. At least the 88 thru 90's that are on my lake don't.

What do you think?
mtgbiker.

US1 Fountain

11-11-2006 09:10 PM

Re: Hull Blueprinting

Does blueprinting a bottom help on a boat that is bottom painted? Seems like you are making it perfect, then coating over it.??

CayFomula

11-12-2006 08:29 PM

Re: Hull Blueprinting

mtg,

Not sure why the 292 would be faster but it could be something simple like the x-deminsion or the strakes might be different. I installed IMCO 2" shorties and picked up 4mph even going from a 3 blade prop to a 4 blade so if the 292 has a higher x it could easily be as fast or faster.

If I don't decide to sell my 272 I plan to try extending my inside strakes and possibly installing a pad in an effort to take it over the 100 mark.

j winkelman

11-13-2006 04:14 AM

Re: Hull Blueprinting

Quote:

Originally Posted by CayFomula

Mtgbiker,

I have the same hull running 93+ on GPS and haven't done any work to the hull YET. I don't think the wedge is an issue for top speed because it is between the outside strake and chine only. I think we will see more gain from extending the inside strake and or adding a pad.

What is the difference between a strake and a chine and the pad you are talking about, is that the same as the notch in the back of tha fountains?

CayFomula

11-13-2006 07:19 AM

Re: Hull Blueprinting

On a V-hull a strake or lifting strake is usually about 3" wide starts at the bow and goes to the stearn of the boat. On many hulls the strake closest to the center stops a few feet short of the Stern while the one furthest away from the center usually runs all the way. The chine can be thought of as a strake placed at the outside edge of the bottom. In the case of the Formula 272SR1 they have a wedge (similar to a built-in trim tab) between the outside strake and the chine. Hope this answers your question.

Mr Gadgets

11-13-2006 02:11 PM

Re: Hull Blueprinting

Mike Paula,
Becareful removing the hook from the 251 Check.. I did it and it caused some serious handling problems.. Give me a PM and I will explain. I have posted this info before, so a search may bring it back up..

Dick

Mike Paula

11-22-2006 08:41 PM

Re: Hull Blueprinting

Quote:

Originally Posted by Mr Gadgets

Dick
sent ya a pm.
Mike

Rage	11-24-2006 07:48 AM

Re: Hull Blueprinting

What is the step by step procedure, area of interest and how long a straight edge to check for hull hook on a 25ft Nordic Rage?

Rage	11-26-2006 09:35 PM

Re: Hull Blueprinting

Anyone?

BajaBennett

11-27-2006 12:53 PM

Re: Hull Blueprinting

Does anyone know of a good shop in the central Florida area that would do the bottom on a 302 Baja?

Thanks
Dail

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