Offshoreonly.com - drives...yes or no question

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birdog

01-24-2006 11:28 AM

Re: drives...yes or no question

Quote:

Originally Posted by WildWarrior

Raising the drive height from stock Bravo X on your style hull will lower your bow, and if she porpoises now even a little bit ,she will be like flippers older brother with less X and also net way slower speeds.

Yea....It seems like my Top Gun needs to lift the bow more,not lower it. Vs on boxes

WildWarrior

01-24-2006 11:41 AM

Re: drives...yes or no question

Quote:

Originally Posted by birdog

Yea....It seems like my Top Gun needs to lift the bow more,not lower it. Vs on boxes

After months of experimenting with short drives and shims, we finally lowered our drives 1/2" lower than our original stock X.
We picked up speed at this height and experienced way less porpoising, with the addition of a small amount of hull hook removal we completely cured our porpoising .

birdog

01-24-2006 12:25 PM

Re: drives...yes or no question

Quote:

Originally Posted by WildWarrior

Good info..Thanks...I have access to 1" spacers I will try this spring

375stinger

01-24-2006 03:54 PM

Re: drives...yes or no question

Quote:

Originally Posted by WildWarrior

if the boat is porpoising, wouldn't you want a higher x to lower the bow?

WildWarrior

01-24-2006 04:56 PM

Re: drives...yes or no question

Quote:

Originally Posted by 375stinger

if the boat is porpoising, wouldn't you want a higher x to lower the bow?

Know, you need to pick up the bow and keep it there, with a high drive height you don't have the leverage to keep the bow up ,so it acts like a see saw, up then down never continuously carrying your bow.
Before you spend a ton of time and money like we did and many others before us re-rigging our heavy Cigarettes to lighter stepped boat specs, I would give Tres Martin a call all these boats are a little bit different.
He was the one that finally suggested we lower our drives 1/2" deeper into the water than stock. He was dead nuts on, we went from 83 to 85mph and running like flipper, to a best of 94+mph GPS with new X vr our 2" shortie drives, and she requires zero tab at cruise speeds. Good Luck!

375stinger

01-24-2006 05:03 PM

Re: drives...yes or no question

we were planning on gettin 12in set back boxes with a raised drive height. this boat has no problem keeping the bow up...we just need to keep it down

375stinger

01-24-2006 05:06 PM

Re: drives...yes or no question

wildwarrior; do you have a picture to show what height your drives are at in relation to the boat? thanks

WildWarrior

01-24-2006 05:20 PM

Re: drives...yes or no question

1 Attachment(s)

Quote:

Originally Posted by 375stinger

wildwarrior; do you have a picture to show what height your drives are at in relation to the boat? thanks

This is it ,i'm not sure you can see much!

375stinger

01-24-2006 05:22 PM

Re: drives...yes or no question

1 Attachment(s)

ours... :drink:

birdog

01-24-2006 05:28 PM

Re: drives...yes or no question

The first thing I did was call Tres Martin. He said bring it down,he could take care of it. I'm a poor working stiff tho..So I cant.. :D
I dont blame him a bit..Thats how he makes his living

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