Carbon Fiber 650SX Hood, Questions and suggestions
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  1. #1
    PWCToday Regular JSrider82's Avatar
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    Carbon Fiber 650SX Hood, Questions and suggestions

    I'm looking for any suggestions on what would be some "musts haves" on a Carbon Fiber 650SX hood, I actually wasn't planning on doing this hood in CF, but the original hood needed lots of repair and by the time I would have fixed all the cracks I likely would have added more weight to an already hefty hood, and I also pretty much destroyed it trying to separate the baffles from the hood. So here is the plan so far, my original hood will become my plug for my mold, I'll make the mold and be able to lay in the CF and do a resin infusion. My plan is to do 3 layers on the whole hood and a few extra on high stress area, then once cured I'll use foam to create my air channels, and lay up 2 layers over the foam, then once the epoxy is cured use Acetone to dissolve the foam. As for my plan on the changes

    1 - cover up the "door" of the hood
    2 - cover up the front vents
    3 - where the rear "pads" go, I'm fiber glassing that area.
    4 - cover up the handle pole bumpers
    5 - I also plan on covering up the hole in the side of the hood
    my air intake will be molded into where the "rear pads" were, then run along the top of the hood and open up front.

    I hope that this will still provide plenty of air for the engine, and should definitely cut down on the water intake

    If anyone has suggestions, or cautions, please let me know.

    Also I forgot to weight my hood before I started to repair it. if anyone knows the weight of a 650SX hood could you let me know

    Thanks

    I'll get some pictures going if anyone is interested

  2. #2
    PWCToday Guru 92Kawasaki750SS's Avatar
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    Re: Carbon Fiber 650SX Hood, Questions and suggestions

    Interested in seeing how it turns out. You should NOT cover up the "door" on top if hood. This is a pressure relief for when there is an explosion under hood. If there is no spot for it to pop off the whole ski could blow up. I have an old 650sx racing hood I could snap pics of if you want some ideas.

    Sent from my SM-N920V using Tapatalk

  3. #3
    PWCToday Regular JSrider82's Avatar
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    Re: Carbon Fiber 650SX Hood, Questions and suggestions

    Sure a few pics of that would be great, I didn’t know that about the “door”. 440’s, 550’s don’t have one so I guess I didn’t think of that... if I made the air intakes large enough, could that compensate? (Since I may have already glassed over it)

  4. #4
    PWCToday.com Is My Home Away From Home Rushford_Ripper's Avatar
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    Re: Carbon Fiber 650SX Hood, Questions and suggestions

    The "door" of the hood acts as a blow off valve so to speak incase of internal engine bay explosion. You should keep that...


  5. #5
    PWCToday Regular JSrider82's Avatar
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    Re: Carbon Fiber 650SX Hood, Questions and suggestions

    EE90457B-50BE-46E0-BC8A-0B8127E9830D.jpeg
    Well I suppose I should have done a bit more research before I glassed over it, I’m thinking the way my venting will hopefully be might be big enough and unrestricted enough to “compensate”, but if I decide to keep it closed and it blows up, I’ll difinitly be waiting for the I told you comments, I think I’ll continue and see how things look once I’ve made the first part of the hood, at that point I think I could still do a “door” if need be. Thanks for the suggestion s, keep them coming if you have more

  6. #6
    PWCToday Regular JSrider82's Avatar
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    Re: Carbon Fiber 650SX Hood, Questions and suggestions

    For those who didn’t see the front hood I made out of CF, here it is
    B46BC4A9-AE7F-497A-A7D6-A0908A927113.jpeg

  7. #7
    PWCToday Guru 92Kawasaki750SS's Avatar
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    Re: Carbon Fiber 650SX Hood, Questions and suggestions

    Keep us posted. I just put one of the regular nose pieces on my ski. If you make a nice hood / nose combo I may buy a set if it doesn't cost a fortune. But I know C.F. isn't cheap and I'm sure the hood will be labor intensive to create.

    Sent from my SM-N920V using Tapatalk

  8. #8
    PWCToday Regular JSrider82's Avatar
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    Re: Carbon Fiber 650SX Hood, Questions and suggestions

    I'll try to keep up with some pics and progress, Thanks for the interest !!!!!!!

  9. #9
    PWCToday Regular JSrider82's Avatar
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    Re: Carbon Fiber 650SX Hood, Questions and suggestions

    I've had a few evenings to work on the hood/plug for my mold. After the advise i got from you guys I decided to keep the "door" on top, I also decided to keep 2 of the air intakes up front. I was hoping to make the mold this weekend, but that will likely not happen. here's a few pics of it pretty much ready for primer and paint, before i can make a mold from it.
    IMG_0484.JPG
    IMG_0487.JPG
    IMG_0486.JPG
    Last edited by JSrider82; 02-09-2019 at 12:19 AM. Reason: can someone tell me how to rotate the images ?

  10. #10
    PWCToday Regular JSrider82's Avatar
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    Re: Carbon Fiber 650SX Hood, Questions and suggestions

    B28BF4C3-7008-4BEC-8180-BF90818499A9.jpeg
    4CEA3426-FE88-471F-AD46-0180F8AAAC3E.jpeg
    Got the plug painted and waxed, now I need a base and then I can make the mould.

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