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250 GT SWB Competizione question

Discussion in 'Collectables, Literature, & Models' started by akist, Dec 31, 2008.

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  1. akist

    akist Rookie

    Nov 5, 2006
    29
    #1 akist, Dec 31, 2008
    Last edited by a moderator: Sep 7, 2017
    In all known literature, the modifications on the 539 chassis for the 539/comp 61 frame are listed as:
    1) smaller tubing for the oval chassis rails (80x45mm instead 90x54mm)
    2) suspension attachment points modified
    3) stiffer springs and polished leaves at the rear
    4) rear spring attachment points relocated.


    I would like to know if the listing is complete and specially what was the relocation of the attachment points for suspension and rear springs.
    I am on the way making a exact detailed 1:8 scale model of a 1961 250 GT SWB Competizione (sn 2698 GT)and want to be 100% correct in the differences to a standard 250 SWB.
    I had access to a standard (steel body) car for digital scanning of the body and to make tons of pictures. I use 3D CAD design programs and designed (reengineered) the body. Using rapid prototyping techniques, the body has been cast in thin aluminium. Attached is a picture of the rough casting , just out of the mould.

    I have asked the same question in the vintage forum, but got no answers yet, hence this repost in this forum.
    Thanks for any answers
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  2. s2ktaxi

    s2ktaxi Karting

    Jan 14, 2007
    194
    WA
    #2 s2ktaxi, Dec 31, 2008
    can't help you with the information you are looking for but i must say this is an impressive project - esp. if you are not in the diecast manufacturing business - or are you?
     
  3. Camoradi

    Camoradi Karting

    Jun 12, 2006
    81
    Peak District, UK
    Full Name:
    Steve Barnett
    #3 Camoradi, Jan 1, 2009
    There are five clear and detailed photo's of #2689 GT naked chassis frame from various angles in the Jess Pourret book 'Ferrari 250GT Competition Cars'. He also mentions square tubing being used in place of round section in some areas. You should be able to cross reference mounting points with the standard car from these photo's.

    Steve
     
  4. akist

    akist Rookie

    Nov 5, 2006
    29
    #4 akist, Jan 1, 2009
    no, just for hobby/passion
     
  5. akist

    akist Rookie

    Nov 5, 2006
    29
    #5 akist, Jan 1, 2009
    Hi Steve,
    thanks for your reply; alas, from these photos there is no difference/modification visible. But even if the differences are only in the small mm region, in 1:8 scale they should be reproduced. Hopefully some of the 250 GT experts will clarify.
    Alfred
     
  6. s2ktaxi

    s2ktaxi Karting

    Jan 14, 2007
    194
    WA
    #6 s2ktaxi, Jan 1, 2009
    That's great - maybe you can reproduce the engine in 1/8 scale that actually works... Is your process replicable for more than one model? :)
     
  7. akist

    akist Rookie

    Nov 5, 2006
    29
    #7 akist, Jan 1, 2009
    if I had access to a totally dismantled engine and would be allowed to scan the parts, it would be feasible to make the model engine running.
    Yes, because all parts will be CAD-designed and manufactured by rapid prototyping and CNC -milling and CNC-turning, more than one model could be made.
     

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