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Thread: Attaching panels to frame?

  1. #1
    Senior Member Randolph's Avatar
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    Attaching panels to frame?

    I was wondering if anyone could post some pictures showing how they attached their fiberglass panels to the Fiero frame. Ari - I think you said you put metal brackets against the inside of the panels and fiberglassed over them, is that right? Could you describe the process with details about the products you used?

  2. #2
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    Re: Attaching panels to frame?

    I have done a couple of cars this way and it works really well.
    I use 1/2" X 1/2" tubing and weld a plate on one end usually fairly thin steel about 2" X 2" or whatever is the best size for the location. Then use a product by PL called PL Premium - you can get it at most home building stores. It is designed to bond to everything and contains a polyurethane component. Glue the flat end to the fiberglass and ensure that it is fitting tight up to the frame and weld it onto the frame. The glue provides some vibration damping. If you have to span larger gaps use larger sized tubing. It there is greater potential of movement brace the part.
    I feeling is that you should never use screws or rivets into fiberglass, they always work loose. If you glass the retainer down you will never be able to remove it easily.
    Final thought is the suspension should move, the frame should not so using rubber mounting parts is cover up for a weak frame design.

  3. #3
    Senior Member Randolph's Avatar
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    Re: Attaching panels to frame?

    Thanks Janice, it is good to hear from someone with experience. Here is a website with a picture of PL Premium so it will be easy to find at the hardware store

    http://www.osisealants.com/PL/PL_pro...nstruction.htm

    So how about if I attach the tubing to the fiberglass as you suggest, and then attach the tubing to the frame with bolts so I can remove it later if needed? Is this ok or does it really need to be welded for strength?

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    Re: Attaching panels to frame?

    I think you can go either way. I find welding fast and simple. I friend of mine did this same process on his Diablo and he used heavy screws to the frame so that he could remove the body later. I would use some small amount of glue on the screws too - you don't want the body to fall off while at speed. 8)

  5. #5
    Moderator FunnyWheels's Avatar
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    Re: Attaching panels to frame?

    I bolted my parts to a superstructure and used Fiero attachment points for the top side of the fenders.



    Hope this helps you. The rear is similar to the front. The key is to have some metal bracketry to bolt the fiberglass parts to that provide structural bracing to keep the parts in the proper place.

    Dave
    If you're not confused, you're not paying attention.

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    Moderator FunnyWheels's Avatar
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    Re: Attaching panels to frame?

    If you're not confused, you're not paying attention.

  7. #7
    Moderator FunnyWheels's Avatar
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    Re: Attaching panels to frame?

    If you're not confused, you're not paying attention.

  8. #8
    Moderator FunnyWheels's Avatar
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    Re: Attaching panels to frame?



    A little "Z" bracket will do for a rocker panel. That is as long as you have the front and rear of the rocker mounted to a secure bracket. The "Z" will just keep the rocker from flexing outward when you sit or stand on the rocker.

    Dave
    If you're not confused, you're not paying attention.

  9. #9
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    Re: Attaching panels to frame?

    hello,
    here is how I installed my body, just go to the page for the piece you are trying to install. I would post pictures here but that would be a lot of posting....
    http://www.angelfire.com/ri2/ferrari...tallation.html
    if you need more info on how I did it, feel free to ask

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