Isotta - Fraschini 18 cilynders

Discussion in 'Engines' started by CharlesBronson, Nov 4, 2015.

  1. CharlesBronson

    CharlesBronson Well-Known Member

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  2. AMCKen

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  4. CharlesBronson

    CharlesBronson Well-Known Member

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    #4 CharlesBronson, Apr 9, 2016
    Last edited: Apr 9, 2016
    Interesting, the "Ace" 1000 seems to be also the engine sold to the UK for emplacement in some torpedo boat at 1938-39.
    With 57 liters was a real monster but not in the power output departament.
     
  5. AMCKen

    AMCKen Member

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    1000hp out of 3,494 cubic inches would be a low stress engine. But, also over 3,000 ftlbs of torque. :)
     
  6. CharlesBronson

    CharlesBronson Well-Known Member

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    The low grade of italian fuel probably has something to do with it, 84 to 86 octanes. They never used the 100 octane fuel except in some races like the MC72.

    By the way the Asso 750 compression ratio was 5,6 to 1.
     
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