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Thread: fiberglass or aluminium

  1. #1
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    Default fiberglass or aluminium

    Hi All

    Im new to this, and am planing to build a racing craft (wife permitting) now Ive some recent exerience with fiberglass and am well awere how easy it is to over wet the fiberglass adding excess weight, as Im a fabrication engineer and used to working with metals a aluminium craft looks a far esier build, as more controle over the weight with regards to gauge of material thickness etc. Has any one got any experience of this?



    Regards



    Jim

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    Default Re: fiberglass or aluminium

    Hello

    Richard Evans did one.(He's the only person I know that has no doubt theres's many more.)

    http://www.rhevans.co.uk

    This may help.



    Craig


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    Default Re: fiberglass or aluminium

    Think about:

    will it be easy to fix a crashed hull ?

    Look at the bottom of various ones and imagine how could aluminium reacts at sliding on rocks, bumping bank, etc....

    My opinion is alu is more fitted for cruising craft than racing, you have more control on risks.

    May be I' m wrong.....

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    Default Re: fiberglass or aluminium

    Just playing devils advocate.

    wooden craft.

    Nails hammer bit of glue string.DONT have to wait hours for the thing to cure.LOl out next race.



    But this is someone thats been trying for years to go racing maybe next year.

    So ignore me.








  5. #5
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    Default Re: fiberglass or aluminium

    may be Ill go for ferrocement

    I think I'll design it sectional and rivet it together so it will be quicker to repair.




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    Default Re: fiberglass or aluminium

    Speedymartin wrote:



    "Think about:

    will it be easy to fix a crashed hull ?"



    It certainly is easy - there's no need (he says bravely).



    I used a welded tubular/T-section space frame and this stood up well to quite a few crashes during my Novice races, and I have never needed to repair it. The biggest crash was when Rachael Gifford's aluminium craft ended up on top of mine. On that occasion the hull survived easily, but the duct (which was GRP) was badly damaged!



    Jon Curtis built his own aluminium craft too. See the gallery on the left (this HCGB website) for some of his pictures. Mind you aluminium craft do tend to be a bit heavier than GRP.



    Where abouts do you live Jim W?



    Regards,



    Richard E.


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    Default Re: fiberglass or aluminium

    Just thought i would mention this.



    On ebay

    4640066460





    Not mine dont know the person.



    I would but my back gardens full up with 2 hulls

    4 motor bikes.

    2 wind surfers

    1 canoe,

    and loads of rubbish.



    Damn glad i dont live next door to me.





    Craig






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    Default Re: fiberglass or aluminium

    Had a look at the pic on ebay, looks like that would end up being quite heavy with all the frame work, my idea would not require a frame as the shape and design would form its shape,

    i can see using a frame would make the build esier, but if you look at the shape its all triangles and i'd be replicating that

    as a skin, thicker where required.



    regards



    jim



    Ps Im in leeds (pudsey) west yorks

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