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Fab 08-28-2012 05:08 PM

Custom surfgate project
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So after seeing a LOT of people building their own surfgate (go check on malibucrew or centurion forums), this stuff started growing on me...

My history... 08' X2, not the perfect surf boat as you know, actually i'm putting close to 2500lbs of ballast to get a wake as clean as possible...but that damn boat is so peaky i'm getting tired of leaning the boat to death...

As you may have seen, the surfgate is pretty easy, let's say just some sideways trim tabs...pretty big tabs, around 20-22"

Here is a pic from the stock surfgate from Malibu

I'm planning to buy some lenco actuators, hinges, and build my own stainless steel tabs which will fit the X2 transom...

Before that winter project I wanted to test some prototypes to see if that stuff works on our MC, so i made my own surfgate that's currently mounted on the teak deck, check the attached images...As you can see it's pretty basics but holds very well, it's not intended to stay on the boat for sure but that was perfect for a little test...

Unfortunately I have no pics yet of the wake as i tested the system yesterday at dusk so it was too dark to shoot some good pics but i'll have soon !

What I found :

- It works VERY well, even with my tiny 17" tabs, I mounted it to the STB side so i rode on PTD
- The wake shape is TOTALLY different with a good lenght compared to anything I could get with my 2500lbs of ballast, and i was using only stock ballasts and 600lbs on PTD !!
- The tabs really delay the convergence of the wake, allowing the surfwake to roll over the delayed wake so it's not disturbed, that was the first time I could get a really clear lip on a X2
- What is the pressure on the tabs : around 80-100kgs (according to my experience and the bunch of guys who tried this like me)
- You have to slightly countersteer to compensate the gate effect...

I'll get some pics and vid ASAP, I was wondering of some of you guys tried this like me ??!

One thing is sure : next summer my X2 will be surfgate ready, I'm a true MC die hard but that Malibu system is and will be a game changer for sure !

ttu 08-28-2012 05:16 PM

i look forward to seeing pictures of your install and wake!

brucemac 08-28-2012 06:01 PM

ditto. keep us posted.

mcparadise 08-28-2012 07:50 PM

Is any vendor making these yet?
I hope so and want this add-on.
Whoever does it is gonna make some cash.

scott023 08-28-2012 10:18 PM

I want one tooooo

sand2snow22 08-28-2012 11:01 PM


Originally Posted by mcparadise (Post 872860)
Is any vendor making these yet?
I hope so and want this add-on.
Whoever does it is gonna make some cash.

Or find themselves in litigation since Malibu has a patent pending. Not sure how mounting a trim tab vertically would hold up in court though?

curtish 08-28-2012 11:39 PM

Wonder if the platform brackets are strong enough to handle the forces created by the tab? :popcorn:

ap77 08-29-2012 01:41 AM

There are a lot of us trying to perfect the surf wave on the X2. I'm happy with the wave using 2500 of ballast, but if there is a better way...I want it! Let us know if your custom surf gate works - very cool!

Fab 08-29-2012 04:09 AM

Well there are some guys on the who plan to make a custom gate and want to sell their kit...but with a "patent pending" I fell this would be very risky to try selling it...

However bad point for Bu is that they don't sell a retrofit kit for their owners...there are some angry 2011-2012 owners for sure !!

that's a 3000$ option for malibu, my custom tabs should be around 1000-1500$...

For the bracket, my last protoype is strong enough but i'll use it only a few times to test, the first version I made was weak on some hinges and the water bent it in less than 10 seconds, but the platform held well...

From what I experimented and according to the guys on malibucrew, the water force on the gate is around 80kgs...That's not so much IMO...every lenco actuator can handle roughly 250-300kgs...

Biggest deal is to make the right custom tabs to fit the transom, the gate has to deploy at 30-40 with a slight inward angle

Cmpdman 08-29-2012 04:59 AM


Originally Posted by curtish (Post 872932)
Wonder if the platform brackets are strong enough to handle the forces created by the tab? :popcorn:

My thoughts too.

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