drives...yes or no question
 

okis...i just need a simple straight forward response for this question...will raising the x dimension lower the bow lift?thank you

Re: drives...yes or no question
 

maybe :D :D :D :D

If the X is real deep, then probably not.

Re: drives...yes or no question
 

you will get some better answers in the tech section... thats where the smart guys hang....

Re: drives...yes or no question
 

That's what the trim switch is for.

Re: drives...yes or no question
 

Well, yes and no.

Re: drives...yes or no question
 

Is that why we never see you in there???? :p

Re: drives...yes or no question
 

well if the drives are too low...

Re: drives...yes or no question
 

That would be why I'm here.............. :D

There is no..Yes or No...It depends. deeper,spinning in should carry the bow more...Maybe
Now throw props into the equation also.....

Re: drives...yes or no question
 

All other things being equal raising the x will cause the bow to drop. If the drive is higher it exerts less leverage and drops the bow. Some boats get extensions at the same time to bring some of the leverage back. But if you just move the prop up (like an outboard with a jack plate) it will drop the bow at the same trim position.

Re: drives...yes or no question
 

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.

Re: drives...yes or no question
 

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

Re: drives...yes or no question
 

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 .

Re: drives...yes or no question
 

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

Re: drives...yes or no question
 

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

Re: drives...yes or no question
 

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!

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

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

Re: drives...yes or no question
 

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

Re: drives...yes or no question
 

ours... :drink:

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

Re: drives...yes or no question
 

My wife just read this over my shoulder - she wants to know what the problem is? :drink: :drink:

Re: drives...yes or no question
 

i would leave the outers and shortin the middle one, and possibily remove the middle skeg.

Re: drives...yes or no question
 

what would happen if i removed the skeg in the middle? would i still get control from the other two drives? would it loose much drag by doing so?

Re: drives...yes or no question
 

when imco did the 3engines in the eliminator they removed it. worked for them . you will have plenty of control with the outer drives,