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When I look at $299 for aftermarket I think, My Lord, That's almost 100 Gallons of heating oil for the Winter? I,ll take the oil and do as you did.
 

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You can buy aluminum sponsons for $149. I'll build a set for much cheaper than!
 

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With the holes drilled in it like that, would it compromise the integrity of the plastic? I would think that under turns and such there is allot of stress on the part. I'm not making a statement, just asking a question.
 

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Discussion Starter #6
Yeah there is stress in that area but I'm sure it will hold up. I don't mind being a guinea pig
 

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I have experience building stuff that other people charge a lot for, not getting into building for other folks just saving myself some coin, it's not that hard to reverse engineer a set
the information is all on the net all I need is the bolt to bolt dimension and I'll get that when I get my sparks. I already got the 1/4 aluminum Plate at home from the race car project so it should be hard the build
 

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I have experience building stuff that other people charge a lot for, not getting into building for other folks just saving myself some coin, it's not that hard to reverse engineer a set
the information is all on the net all I need is the bolt to bolt dimension and I'll get that when I get my sparks. I already got the 1/4 aluminum Plate at home from the race car project so it should be hard the build
I gotcha. Well if you end up building it make sure you take enough pictures to share. Maybe a couple of us on here can at least give it a shot. What grade of aluminum do you plan on using?
 

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Have you tested yet?

Oh, how did you go about drilling the holes in the right spot? I am planning on getting a washer the same size as the head of the screw. Going to put that in the recessed area of the sponson flush to the top, then drill. Just curious...

Yep, my phone sent this...
 

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I dropped mine soon after , noticeable difference and recommend it to any one ...

I spend a bit of time around CC buoys and no stress on hull , you need to power off lock in then power out to obtain best sharp turn ... Bit like the Seadoo HX
 

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I've got aluminum scraps used in building passenger cars for bombardier, they send their scraps to a local scrap yard. They're about 2x3 feet x1/4 inch thick so are great for projects
 

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I dropped mine soon after , noticeable difference and recommend it to any one ...

I spend a bit of time around CC buoys and no stress on hull , you need to power off lock in then power out to obtain best sharp turn ... Bit like the Seadoo HX
I was out the other night, still breaking mine in, and these do not hold while turning like my RXT did. I hope after this mod it can hold like the RXT did. The ass end would just come unhooked unexpectedly and around I would go almost flying off.

Yep, my phone sent this...
 

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Discussion Starter #15
Have you tested yet?

Oh, how did you go about drilling the holes in the right spot? I am planning on getting a washer the same size as the head of the screw. Going to put that in the recessed area of the sponson flush to the top, then drill. Just curious...

Yep, my phone sent this...
I measured the distance from the center of the hole to the bottom edge which is .500 and scribed a line on the top side. Then drilled with .375 drill. and for the other one i bolted them together to drill it.
 

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Have you tested yet?

Oh, how did you go about drilling the holes in the right spot? I am planning on getting a washer the same size as the head of the screw. Going to put that in the recessed area of the sponson flush to the top, then drill. Just curious...

Yep, my phone sent this...
I like your idea and after you do one you could bolt them together as Hill mentioned and drill identical holes on the second sponsor.

Question 1 - It appears when I had the top off that the bolts self tighten to the inside blocks so am I right in you DO NO have to remove the top to do this?

Question 2- Do these help? Anyone?
 
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