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-   -   raising the "X" (https://www.offshoreonly.com/forums/fountain/271696-raising-x.html)

35Fountain555 02-29-2012 09:11 PM

raising the "X"
 
Raising my engines in my non-stepped 35' Executioner. Higher 'X" should make propshaft centerline 2 3/4" below running surface. Engines dynoed at 675hp @ 5800 rpm. Going to run B-1's with cones & 1 1/4" shafts. Any input concerning this "X" ? Anybody tried this on non-stepped 35' ?

Reggie Fountain 02-29-2012 09:17 PM

Could definitely go up quite a bit. Give me a call tomorrow, my number is 252-495-4545.

excalibur82 03-01-2012 07:13 AM

I agree on that!!! I set mine at 21.25 and I think I could have went higher boat it picked up alot of speed..

Back4More 03-01-2012 01:48 PM

I wouldnt raise the engines, you want those as low in the boat as possible....just pop on some -2 lowers.
Thats what i did on a non step 42.

A.O. Razor 03-01-2012 02:12 PM


Originally Posted by excalibur82 (Post 3630651)
I agree on that!!! I set mine at 21.25 and I think I could have went higher boat it picked up alot of speed..

Wow, that's high with B1s. I bellive the new stagger 35 with its and -2 shorties run about 18½". ReggieIII can you confirm this? Just thinking.

1 MAIDEN AMERICA 03-01-2012 03:42 PM


Originally Posted by Back4More (Post 3630966)
I wouldnt raise the engines, you want those as low in the boat as possible....just pop on some -2 lowers.
Thats what i did on a non step 42.

X2
Or -4's now that they're available

35Fountain555 03-01-2012 08:20 PM

Thaks for interest & replies. Boat currently running about 15 1/4" on the "X" which puts running surface about 1" below the cavitation plate or prop shaft at 6 3/4" below running surface. I figured running the B-1's is asking fot trouble, but money is super tight. Hope was that running the B-1's would last long enough for me to afford 2" shorties putting at about 3/4".

racinfever 03-01-2012 10:04 PM

OLDER BOATS RAISING X
With no steps or small steps it seems like they run too flat & lose handling quality & lift. [ bravo style props] may be a rake issue. SSM props go as high as you can. Maybe Reggie could comment on our fears!
Would a high rake bravo style prop help? 4 or 5 blade?

47 lightning 03-02-2012 06:02 AM


Originally Posted by racinfever (Post 3631388)
OLDER BOATS RAISING X
With no steps or small steps it seems like they run too flat & lose handling quality & lift. [ bravo style props] may be a rake issue. SSM props go as high as you can. Maybe Reggie could comment on our fears!
Would a high rake bravo style prop help? 4 or 5 blade?

What experience have you had with small stepped fountain boats? Because I currently own a 97 - 47 with twin small steps...I just raised X dimension to 24 inches or prop shaft height to 2 1/2 inches above the running surface. Any info would be appreciated..

excalibur82 03-02-2012 07:18 AM


Originally Posted by racinfever (Post 3631388)
OLDER BOATS RAISING X
With no steps or small steps it seems like they run too flat & lose handling quality & lift. [ bravo style props] may be a rake issue. SSM props go as high as you can. Maybe Reggie could comment on our fears!
Would a high rake bravo style prop help? 4 or 5 blade?

My boat is an 84 it had #3 speed masters. I converted it to bravo's talked to alot of people even reggie on his cell and this is how I set it up. I have stock 420's with stainless marine exhaust and ran 78 on the gps... I didnt even play with props that was a stock pair of 26 bravo ones spinning them in at 5200.Gets on plane no problem with no tabs...I bet I could get 80 no problem....I know a guy with 420's and trs on his 85 10 meter and runs 70/72..The proof is in the pudding...

MrSneakAttack 03-02-2012 07:51 AM


Originally Posted by excalibur82 (Post 3631522)
My boat is an 84 it had #3 speed masters. I converted it to bravo's talked to alot of people even reggie on his cell and this is how I set it up. I have stock 420's with stainless marine exhaust and ran 78 on the gps... I didnt even play with props that was a stock pair of 26 bravo ones spinning them in at 5200.Gets on plane no problem with no tabs...I bet I could get 80 no problem....I know a guy with 420's and trs on his 85 10 meter and runs 70/72..The proof is in the pudding...


EX-----how far bleow the running surface is your propshaft??

excalibur82 03-02-2012 08:00 AM

It's a 1/2 inch below.

excalibur82 03-02-2012 08:25 AM

Here is a video of me running. I am the last guy to go by.http://www.youtube.com/watch?v=So5iW...bdAUAAAAAAADAA

excalibur82 03-02-2012 08:27 AM

I had 5 guy's and full of fuel and was running 74. You can see it carrys the bow well and throws a cool tail... lol

1 MAIDEN AMERICA 03-02-2012 10:10 AM


Originally Posted by 47 lightning (Post 3631482)
I just raised X dimension to 24 inches or prop shaft height to 2 1/2 inches above the running surface. Any info would be appreciated..

That's up there. I'm worried about getting on plane now that I'm "even" with the running surface. I'll find out Sunday.
Does that put the engines on top of the hatch?
Are you gonna need a jet ski to pull you up like the big wave surfers?
Do you have ext boxes......stacked?
No cabin?

Pokher Ace 03-02-2012 01:01 PM

Wheres the propshaft at on newer nxt/6 boats?

47 lightning 03-02-2012 04:22 PM


Originally Posted by 1 MAIDEN AMERICA (Post 3631628)
That's up there. I'm worried about getting on plane now that I'm "even" with the running surface. I'll find out Sunday.
Does that put the engines on top of the hatch?
Are you gonna need a jet ski to pull you up like the big wave surfers?
Do you have ext boxes......stacked?
No cabin?

i have not run the boat yet it|s been at fountain performance marine for the last 5 months . i have seven blade herings for it but i still think i will have trouble getting on plane but as far as the x goes it is where it needs to be . now i have to get creative with props . may have to go to number 6 shaft and props .

MrSneakAttack 03-02-2012 06:30 PM


Originally Posted by excalibur82 (Post 3631562)
I had 5 guy's and full of fuel and was running 74. You can see it carrys the bow well and throws a cool tail... lol

yup....it looks and sounds good....my kv is about 2.5 inches below the running surface so im tyring a pair of 32 maximus tomorrow....hopefully that will cure my slippage problem


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